{"title":"FRP Pipes, Fittings \u0026 Flanges","description":"\u003cp\u003eFRP piping systems from one factory: filament-wound \u003ca href=\"\/products\/frp-pipes\"\u003eFRP and sand-filled (FRPM) pipes\u003c\/a\u003e DN300–2800 in SN2500\/5000\/10000 and PN 0.6\/1.0\/1.6 MPa, \u003ca href=\"\/products\/frp-pipe-fittings\"\u003eelbows, tees and reducers\u003c\/a\u003e, \u003ca href=\"\/products\/frp-flanges\"\u003eflanges DN10–600 (12–60 mm thick)\u003c\/a\u003e and \u003ca href=\"\/products\/frp-ductwork-fittings\"\u003eFRP ductwork\u003c\/a\u003e for corrosive exhaust. Joints: bell-and-spigot with double O-rings, butt-wrap, flanged or mechanical.\u003c\/p\u003e\n\u003cp\u003eSend medium, temperature, pressure class, DN and route length for a quotation. Guides: \u003ca href=\"\/blogs\/frp-guides\/frp-pipe-fittings-dimensions\"\u003eFRP fitting dimensions\u003c\/a\u003e · \u003ca href=\"\/blogs\/frp-guides\/frpm-vs-concrete-ductile-iron-pipe\"\u003eFRPM vs concrete and ductile iron\u003c\/a\u003e.\u003c\/p\u003e\n","products":[{"product_id":"frp-pipes","title":"FRP Pipes","description":"\u003cp\u003eFIBROVX FRP \/ GRP pipes convey liquids and process streams in water, wastewater and industrial duties where corrosion limits steel or where weight matters for installation. Diameter, pressure rating, joint type and resin laminate are selected for the medium, temperature and installation method (above ground, buried or in racks).\u003c\/p\u003e\n\u003cp\u003eFilament-wound and other FRP pipe constructions can be quoted. Design references such as ASTM D3299 (filament-wound tanks use related winding practice; pipe standards depend on the product form) are discussed against your specification. Properties and test requirements for the quoted pipe are confirmed at quotation — generic pressure tables are not published here.\u003c\/p\u003e\n\u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCorrosion-resistant conveyance for many acids, brines and wastewater streams (resin-dependent)\u003c\/li\u003e\n\u003cli\u003eCustom diameter and spool fabrication with fittings\u003c\/li\u003e\n\u003cli\u003eJoint options such as butt-and-wrap, flanges or couplings as specified\u003c\/li\u003e\n\u003cli\u003eLighter sections than many metal pipes of similar duty (exact mass on request)\u003c\/li\u003e\n\u003cli\u003eOEM marking and export packing available on request\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCustomization options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDiameter, pressure \/ stiffness class and wall construction for your duty\u003c\/li\u003e\n\u003cli\u003eResin and liner selection for the medium and temperature\u003c\/li\u003e\n\u003cli\u003eJoint system, fittings and spool drawings\u003c\/li\u003e\n\u003cli\u003eAbove-ground, buried or rack installation details\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eExact sizes, resin systems, colors and accessories are confirmed at quotation for your drawings and operating conditions. FIBROVX manufactures to order and supports OEM \/ private-label marking where agreed.\u003c\/p\u003e\n\u003ch3\u003eTypical applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWater and wastewater transfer lines\u003c\/li\u003e\n\u003cli\u003eChemical process and utility piping\u003c\/li\u003e\n\u003cli\u003eSeawater and cooling water lines in corrosive sites\u003c\/li\u003e\n\u003cli\u003eDucting and vapor lines when specified as FRP pipe\/duct\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"fibrovx-spec\"\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cp\u003eFor pipe selection, pressure class and ring stiffness are independent design dimensions. The listed reference classes are not fixed pairs.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1em\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:0.95em;overflow-wrap:break-word\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eTypical value\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eDiameter (sand-filled \/ wound)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eSand pipe (RPMP) DN300–2800 mm; process pipe per catalog tables\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003ePressure class\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e0.6 \/ 1.0 \/ 1.6 MPa (catalog classes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eStiffness class\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eSN2500 \/ SN5000 \/ SN10000 N\/m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eMedium temperature\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eBelow 80 °C standard; special resin systems for higher temperatures (≥120 °C per catalog)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1em\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:0.95em;overflow-wrap:break-word\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003e\u003c\/th\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eStandard grade\u003c\/th\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eHigh-performance grade\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eOption\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003ePressure and ring stiffness selected independently for the pipe duty.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eHigher pressure or ring stiffness where the design requires it; neither automatically requires the other.\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch4\u003eDesign references: pressure class (PN) and ring stiffness (SN), selected separately\u003c\/h4\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1em\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:0.95em;overflow-wrap:break-word\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\" style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eParameter\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eStandard grade\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eHigh-performance grade\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eConditions\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003ePressure class PN\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003ePN6–PN10 (0.6–1.0 MPa)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003ePN16 (1.6 MPa, sand-filled pipe upper limit); wound chemical pipe higher, designed with reference to HG\/T 21633\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eSelected independently of SN; standard medium temperature below 80 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eRing stiffness SN\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eSN2500–SN5000\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eSN10000 (higher on request)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eBuried pipe selected by cover depth and traffic load; independent of PN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eValues outside these ranges: custom designs are available on request.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eListed values are selection references, not ratings for every configuration. The agreed specification identifies the selected dimensions, materials and required evidence. Standards cited here are design references, not certification claims; custom dimensions depend on the product and tooling.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eCatalog data: filament-wound sand pipe (RPMP) and process pipe\u003c\/h3\u003e\n\u003cp\u003eOur filament-wound reinforced plastic mortar pipe (RPMP) is made from DN300 to DN2800 in stiffness classes SN2500, SN5000 and SN10000, with double O-ring bell-and-spigot joints. Pipe is manufactured to GB\/T 21238 and designed with reference to AWWA C950, as stated in the catalog. Design service life is 50+ years under the design conditions.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1em\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:0.95em;overflow-wrap:break-word\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eDN (mm)\u003c\/th\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eSN5000 wall t (mm)\u003c\/th\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eSN5000 weight (kg\/m)\u003c\/th\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eSN10000 wall t (mm)\u003c\/th\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eSN10000 weight (kg\/m)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e300\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e5.5\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e10.9\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e6.0\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e11.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e600\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e9.4\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e35.3\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e11.8\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e43.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e1000\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e15.4\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e90.8\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e19.7\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e122.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e1600\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e23.9\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e238.2\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e30.8\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e304.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e2000\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e29.5\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e367.0\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e38.1\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e470.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e2800\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e40.8\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e700.8\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e52.8\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e902.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eSelected rows from the catalog wall-thickness table; the full SN2500 \/ SN5000 \/ SN10000 table for every DN is available on request.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProcess pipe:\u003c\/strong\u003e filament-wound pressure pipe in PN 0.6 \/ 1.0 \/ 1.6 MPa, with socket (bell-and-spigot) or butt-and-wrap joints; diameter, length (L) and wall thickness (TH) follow the catalog tables for each pressure class.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLower maintenance:\u003c\/strong\u003e buried FRP sand pipe needs no anti-rust, antifouling or insulation coatings and no cathodic protection, which the catalog states can save more than 70% of engineering maintenance cost.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eJoining methods:\u003c\/strong\u003e double O-ring bell-and-spigot, butt-and-wrap, flanged and mechanical couplings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplications listed in the catalog:\u003c\/strong\u003e drinking water mains, sewage and drainage, seawater intake and outfall, power-plant circulating cooling water, chemical process lines, oil and gas field water, and agricultural irrigation.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCatalog values are design and selection references. Final dimensions, laminate and performance are confirmed in the quotation for your operating conditions. Standards are named as design references, not certification claims.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/frp-flanges\"\u003eFRP Flanges\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/frp-filament-wound-products\"\u003eFRP Filament Wound Products\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/frp-pipe-fittings\"\u003eFRP Pipe Fittings – Elbows, Tees and Reducers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/frp-prefabricated-pumping-stations\"\u003eFRP Integrated Prefabricated Pumping Stations\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGuides and resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/frp-guides\/frp-pipe-basics\"\u003eFRP Pipe Basics\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/frp-guides\/frp-pipe-hdpe-steel-pipe-corrosive-service\"\u003eFRP vs HDPE vs Steel Pipe\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/frp-guides\/frp-chemical-resistance-guide\"\u003eFRP Chemical Resistance Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/frp-guides\/custom-frp-manufacturing\"\u003eCustom FRP Manufacturing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/applications#industries\"\u003eIndustries we serve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/technical-resources\"\u003eTechnical resources\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/international-delivery\"\u003eInternational delivery\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eCan FRP pipe be buried?\u003c\/strong\u003e\u003cbr\u003eBuried service depends on the pipe design, soil loading, bedding and operating conditions. Share burial depth, traffic, pressure or surge requirements and the medium so the proposed installation can be reviewed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo you supply fittings and flanges?\u003c\/strong\u003e\u003cbr\u003eInclude elbows, tees, reducers and flanges in the pipe inquiry. Sizes, connections and the components included in the supply are confirmed in the quotation.\u003c\/p\u003e\n\u003ch3\u003eHow to inquire\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMedium, concentration, temperature and design pressure\u003c\/li\u003e\n\u003cli\u003eDiameter, length \/ spool list and joint preference\u003c\/li\u003e\n\u003cli\u003eInstallation method\u003c\/li\u003e\n\u003cli\u003eStandards or buyer specs to design against\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRequest a quote\u003c\/h3\u003e\n\u003cp\u003ePricing is by quotation only. Use the \u003ca href=\"\/pages\/request-a-quote?product=frp-pipes\u0026amp;title=FRP+Pipes\"\u003eRequest a Quote\u003c\/a\u003e form with your drawing, quantity and destination, or \u003ca href=\"\/pages\/contact\"\u003econtact FIBROVX\u003c\/a\u003e. Packing method, lead time and Incoterms are confirmed in each quotation — available on request.\u003c\/p\u003e\n\u003cp class=\"fibrovx-credit\" style=\"font-size:12px;color:#888\"\u003eImage credit: \"Metal expansion joint on fiberglass piping\" by RomanM82, licensed \u003ca href=\"https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\/\" target=\"_blank\" rel=\"noopener\"\u003eCC BY-SA 4.0\u003c\/a\u003e, via \u003ca href=\"https:\/\/commons.wikimedia.org\/wiki\/File:Metal_expansion_joint_on_fiberglass_piping.jpg\" target=\"_blank\" rel=\"noopener\"\u003eWikimedia Commons\u003c\/a\u003e. Cropped and resized.\u003c\/p\u003e\u003cp class=\"fibrovx-credit\"\u003eImage credit: \"Fiberglass pipes with different types of connectors\" by Игоревич, licensed \u003ca href=\"https:\/\/creativecommons.org\/licenses\/by-sa\/3.0\/\" target=\"_blank\" rel=\"noopener\"\u003eCC BY-SA 3.0\u003c\/a\u003e, via \u003ca href=\"https:\/\/commons.wikimedia.org\/wiki\/File:%D0%A2%D1%80%D1%83%D0%B1%D1%8B_%D1%81%D1%82%D0%B5%D0%BA%D0%BB%D0%BE%D0%BF%D0%BB%D0%B0%D1%81%D1%82%D0%B8%D0%BA%D0%BE%D0%B2%D1%8B%D0%B5_%D1%81_%D1%80%D0%B0%D0%B7%D0%BD%D1%8B%D0%BC%D0%B8_%D1%82%D0%B8%D0%BF%D0%B0%D0%BC%D0%B8_%D1%81%D0%BE%D0%B5%D0%B4%D0%B8%D0%BD%D0%B5%D0%BD%D0%B8%D0%B9.JPG\" target=\"_blank\" rel=\"noopener\"\u003eWikimedia Commons\u003c\/a\u003e. Cropped and resized.\u003c\/p\u003e","brand":"FIBROVX","offers":[{"title":"Default Title","offer_id":67860986527853,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0847\/0088\/9197\/files\/frp-pipes-pipe-yard.jpg?v=1793606021"},{"product_id":"frp-flanges","title":"FRP Flanges","description":"\u003cp\u003eFIBROVX FRP flanges join FRP pipes, connect pipe to equipment and provide isolation points in corrosive systems. Stub-end, full-face and other configurations can be quoted to match your pipe construction and drilling standard.\u003c\/p\u003e\n\u003cp\u003eDrill pattern, thickness, resin and hub details follow the piping specification. Pressure capability is confirmed at quotation for the matched pipe system — we do not list generic pressure ratings on this page.\u003c\/p\u003e\n\u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMatched laminate to FRP piping for corrosion continuity\u003c\/li\u003e\n\u003cli\u003eCustom drilling to the standard named in your specification\u003c\/li\u003e\n\u003cli\u003eAvailable as loose items or with pipe spools\u003c\/li\u003e\n\u003cli\u003eResin options aligned with the line medium\u003c\/li\u003e\n\u003cli\u003eGasket and bolt advice available on request (buyer-supplied hardware common)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCustomization options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNominal size, facing and drill standard\u003c\/li\u003e\n\u003cli\u003eResin \/ liner to match the pipe\u003c\/li\u003e\n\u003cli\u003eHub style and thickness for the pressure class quoted\u003c\/li\u003e\n\u003cli\u003eQuantity sets with matching gaskets if requested\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eExact sizes, resin systems, colors and accessories are confirmed at quotation for your drawings and operating conditions. FIBROVX manufactures to order and supports OEM \/ private-label marking where agreed.\u003c\/p\u003e\n\u003ch3\u003eTypical applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFRP pipe joints and equipment nozzles\u003c\/li\u003e\n\u003cli\u003eChemical and water treatment piping\u003c\/li\u003e\n\u003cli\u003eRepair and tie-in flanges on existing FRP lines\u003c\/li\u003e\n\u003cli\u003eSkid and spool fabrication packages\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"fibrovx-spec\"\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1em\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:0.95em;overflow-wrap:break-word\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eTypical value\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eDrilling\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eDrilled to the customer-specified standard; catalog flanges are made to HGJ 45 and GB\/T 9112–9124 drilling, e.g. DN100 PN10\/16: OD 220 \/ PCD 180 \/ 8×Ø18; DN200 PN10: 340 \/ 295 \/ 8×Ø22; DN500 PN10: 670 \/ 620 \/ 20×Ø26 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eFlange thickness\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eT 12–60 mm by DN and pressure class (catalog table for PN 0.6 \/ 1.0 \/ 1.6 MPa); hub length L 100–640 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eCatalog size range\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eDN10–600; PN 0.6 \/ 1.0 \/ 1.6 MPa; FRP and FRP\/PVC composite flanges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1em\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:0.95em;overflow-wrap:break-word\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003e\u003c\/th\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eStandard grade\u003c\/th\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eHigh-performance grade\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eOption\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eMatch the drilling, facing and laminate to the pipe connection and service.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eFor more demanding pressure or chemical duty, review the flange laminate, hub, gasket and bolting as a joint; thicker material alone is not a pressure rating.\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cem\u003eListed values are selection references, not ratings for every configuration. The agreed specification identifies the selected dimensions, materials and required evidence. Standards cited here are design references, not certification claims; custom dimensions depend on the product and tooling.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eCatalog data: FRP and FRP\/PVC composite flanges\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1em\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:0.95em;overflow-wrap:break-word\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eCatalog value\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eSize range\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eDN10–600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003ePressure classes\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e0.6 \/ 1.0 \/ 1.6 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eThickness T\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e12–60 mm (per DN and pressure class)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eHub length L\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e100–640 mm (per DN and pressure class)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eTypes\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eAll-FRP flange; FRP\/PVC composite (PVC liner, FRP structural wrap)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eDrilling\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003ePer customer standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cem\u003eCatalog values are design and selection references. Final dimensions, laminate and performance are confirmed in the quotation for your operating conditions. Standards are named as design references, not certification claims.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eRelated products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/frp-pipes\"\u003eFRP Pipes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/frp-filament-wound-products\"\u003eFRP Filament Wound Products\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/frp-pipe-fittings\"\u003eFRP Pipe Fittings – Elbows, Tees and Reducers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGuides and resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/frp-guides\/frp-pipe-basics\"\u003eFRP Pipe Basics\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/frp-guides\/frp-chemical-resistance-guide\"\u003eFRP Chemical Resistance Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/frp-guides\/frp-cad-drawings-guide\"\u003eFRP CAD Drawings Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/applications#industries\"\u003eIndustries we serve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/technical-resources\"\u003eTechnical resources\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/international-delivery\"\u003eInternational delivery\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eCan you match ANSI \/ ASME drill patterns?\u003c\/strong\u003e\u003cbr\u003eSend the exact standard, size and class, together with the mating-flange details. Drilling and facing are checked against the specified pattern for the quotation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre flanges sold without pipe?\u003c\/strong\u003e\u003cbr\u003eA flange-only inquiry can be itemized separately. Provide the size, facing and matching pipe outside diameter or laminate details.\u003c\/p\u003e\n\u003ch3\u003eHow to inquire\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize, facing, drill standard and pressure class language\u003c\/li\u003e\n\u003cli\u003eResin to match line medium\u003c\/li\u003e\n\u003cli\u003eQuantity and whether spools are included\u003c\/li\u003e\n\u003cli\u003eDrawings if available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRequest a quote\u003c\/h3\u003e\n\u003cp\u003ePricing is by quotation only. Use the \u003ca href=\"\/pages\/request-a-quote?product=frp-flanges\u0026amp;title=FRP+Flanges\"\u003eRequest a Quote\u003c\/a\u003e form with your drawing, quantity and destination, or \u003ca href=\"\/pages\/contact\"\u003econtact FIBROVX\u003c\/a\u003e. Packing method, lead time and Incoterms are confirmed in each quotation — available on request.\u003c\/p\u003e","brand":"FIBROVX","offers":[{"title":"Default Title","offer_id":67860986626157,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0847\/0088\/9197\/files\/frp-flanges-bolted-joint.jpg?v=1793066377"},{"product_id":"frp-ductwork-fittings","title":"FRP Ductwork and Fittings","description":"\u003cp\u003eFIBROVX FRP ductwork and fittings are fiberglass reinforced plastic air-handling components for corrosive fume exhaust, scrubber, fan and stack systems. We make straight round and rectangular duct, elbows, tees, wyes, reducers, transitions, flanges and dampers in our own factory, to your duct layout.\u003c\/p\u003e\n\u003cp\u003eKey highlights: round duct from about DN100 to DN2400 and rectangular duct up to about 3,000 × 2,000 mm; contact-molded or filament-wound walls with a resin-rich corrosion barrier of at least 2.4 mm; vinyl ester and fire-retardant resin grades. Laminates and wall thickness are designed with reference to ASTM D3982 and confirmed for your pressure, temperature and span at quotation.\u003c\/p\u003e\n\u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCorrosion resistance to acid fumes, chlorine, wet SO₂ and many solvents where steel and galvanized duct fail\u003c\/li\u003e\n\u003cli\u003eLightweight sections that reduce support steel and installation time\u003c\/li\u003e\n\u003cli\u003eSmooth bore with low friction loss and little build-up\u003c\/li\u003e\n\u003cli\u003eIntegral FRP flanges or loose steel backing rings for easy maintenance\u003c\/li\u003e\n\u003cli\u003eMatching fittings and dampers from one factory for a complete exhaust run\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCustomization options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRound or rectangular size, length and wall thickness\u003c\/li\u003e\n\u003cli\u003eFittings: 45° \/ 90° elbows (R = 1D or 1.5D), tees, wyes, crosses, concentric \/ eccentric reducers, round-to-rectangular transitions\u003c\/li\u003e\n\u003cli\u003eButterfly and volume control dampers, manual or with actuator mounting\u003c\/li\u003e\n\u003cli\u003eResin: vinyl ester, epoxy-novolac vinyl ester or fire-retardant grade; UV-protected gray exterior\u003c\/li\u003e\n\u003cli\u003eFlange drilling, access doors, drains, test ports and support saddles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eExact sizes, resin systems, colors and accessories are confirmed at quotation for your drawings and operating conditions. FIBROVX manufactures to order and supports OEM \/ private-label marking where agreed.\u003c\/p\u003e\n\u003ch3\u003eTypical applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAcid fume exhaust from plating, pickling and etching lines\u003c\/li\u003e\n\u003cli\u003eDuct runs between fume hoods, scrubbers, fans and stacks\u003c\/li\u003e\n\u003cli\u003eSemiconductor, laboratory and battery-chemical exhaust\u003c\/li\u003e\n\u003cli\u003eWastewater odor control and pulp and paper bleach plant ventilation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"fibrovx-spec\"\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cdiv class=\"fx-table-wrap\" style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1em;max-width:calc(100vw - 40px)\"\u003e\u003ctable style=\"width:100%;min-width:0;border-collapse:collapse;font-size:0.95em;overflow-wrap:break-word\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eTypical value\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eRound duct\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eAbout DN100–DN2400; larger on request\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eRectangular duct\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eAbout 200 × 200 mm to 3,000 × 2,000 mm, with external stiffeners as required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eWall thickness\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eAbout 3–12 mm, by size, pressure and span\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eCorrosion barrier\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eSurfacing veil plus chopped-strand layers, ≥2.4 mm total (reference ASTM D3982)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eFabrication\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eContact molding (hand lay-up \/ spray-up) or filament winding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eConnections\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eIntegral FRP flanges, loose backing rings or butt-and-wrap joints\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv class=\"fx-table-wrap\" style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1em;max-width:calc(100vw - 40px)\"\u003e\u003ctable style=\"width:100%;min-width:0;border-collapse:collapse;font-size:0.95em;overflow-wrap:break-word\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003e\u003c\/th\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eStandard grade\u003c\/th\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eHigh-performance grade\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eOption\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eVinyl ester corrosion barrier for general acid and alkaline fume exhaust at moderate temperatures.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eEpoxy-novolac vinyl ester for hotter or more aggressive gas streams, or fire-retardant laminate where flame spread limits apply.\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3\u003eDesign references: pressure, temperature and fire performance\u003c\/h3\u003e\n\u003cdiv class=\"fx-table-wrap\" style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1em;max-width:calc(100vw - 40px)\"\u003e\u003ctable style=\"width:100%;min-width:0;border-collapse:collapse;font-size:0.95em;overflow-wrap:break-word\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\" style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eParameter\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eStandard grade\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eHigh-performance grade\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eConditions\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eDesign pressure\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eLow-pressure exhaust, positive or negative\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eHeavier wall or stiffeners for higher fan pressure\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eCalculated with reference to ASTM D3982 (scope up to 5 psig); confirmed for your fan duty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eService temperature\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eAmbient to moderate exhaust temperatures\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eAbove 82 °C only after laminate review\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eResin and post-cure chosen for gas composition and temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eFlame spread\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eStandard laminate\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eFire-retardant grade, flame spread index ≤25\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eTested with reference to ASTM E84 when specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eFlanges and supports\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eStandard drilling\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eTo your drilling pattern\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eFlange dimensions with reference to ASTM D3982 Table 1 \/ SMACNA thermoset duct guidance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eValues outside these ranges: custom designs are available on request.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eListed values are selection references, not ratings for every configuration. The agreed specification identifies the selected dimensions, materials and required evidence. Standards cited here are design references, not certification claims; custom dimensions depend on the product and tooling.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eExhaust gas duct projects\u003c\/h3\u003e\n\u003cp\u003eWe fabricate FRP exhaust and flue-gas ductwork and can supply site installation of the duct runs to your approved layout. Process design is supplied by the owner or its engineer.\u003c\/p\u003e\n\u003ch3\u003eRelated products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/frp-acid-fume-scrubbers\"\u003eFRP Acid Fume Scrubbers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/frp-fans\"\u003eFRP Fans\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mist-eliminators-demisters\"\u003eMist Eliminators and Demisters\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/frp-pipes\"\u003eFRP Pipes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rto-regenerative-thermal-oxidizers\"\u003eRTO Regenerative Thermal Oxidizers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/wet-electrostatic-precipitators\"\u003eWet Electrostatic Precipitators (Wet ESP)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/frp-chimneys-stacks\"\u003eFRP Chimneys and Stacks\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGuides and resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/frp-guides\/frp-duct-design-basics-corrosive-exhaust\"\u003eFRP Duct Design Basics for Corrosive Exhaust\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/frp-guides\/frp-scrubber-duct-flange-package-rfq\"\u003eFRP Scrubber Duct and Flange RFQ Package\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/applications#industries\"\u003eIndustries we serve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/technical-resources\"\u003eTechnical resources\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/international-delivery\"\u003eInternational delivery\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eCan you supply a complete duct package with fittings and dampers?\u003c\/strong\u003e\u003cbr\u003eYes. Send the duct layout or isometric drawing and we quote straight duct, fittings, flanges, dampers and supports together.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow is wall thickness chosen?\u003c\/strong\u003e\u003cbr\u003eFrom duct size, design pressure or vacuum, temperature and support span, with reference to ASTM D3982. Thickness and stiffener spacing are stated in the quotation.\u003c\/p\u003e\n\u003ch3\u003eHow to inquire\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDuct layout, sizes and fitting list\u003c\/li\u003e\n\u003cli\u003eGas composition, temperature and humidity\u003c\/li\u003e\n\u003cli\u003eFan pressure or vacuum and airflow\u003c\/li\u003e\n\u003cli\u003eFire, outdoor\/UV and flange requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRequest a quote\u003c\/h3\u003e\n\u003cp\u003ePricing is by quotation only. Use the \u003ca href=\"\/pages\/request-a-quote?product=frp-ductwork-fittings\u0026amp;title=FRP+Ductwork+and+Fittings\"\u003eRequest a Quote\u003c\/a\u003e form with your drawing, quantity and destination, or \u003ca href=\"\/pages\/contact\"\u003econtact FIBROVX\u003c\/a\u003e. Packing method, lead time and Incoterms are confirmed in each quotation — available on request.\u003c\/p\u003e\n","brand":"FIBROVX","offers":[{"title":"Default Title","offer_id":67903207145581,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0847\/0088\/9197\/files\/fibrovx-frp-ductwork-fittings-01.jpg?v=1793334016"},{"product_id":"frp-pipe-fittings","title":"FRP Pipe Fittings – Elbows, Tees and Reducers","description":"\u003cp\u003eFIBROVX FRP pipe fittings — 45° and 90° elbows, equal and reducing tees, and concentric reducers — are filament-wound or contact-molded to match our FRP pipe and flanges in corrosive and water service.\u003c\/p\u003e\n\u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLaminate and resin matched to the connecting FRP pipe\u003c\/li\u003e\n\u003cli\u003eElbows from DN10 to DN600 in 45° and 90°\u003c\/li\u003e\n\u003cli\u003ePressure classes 0.6 \/ 1.0 \/ 1.6 MPa per catalog tables\u003c\/li\u003e\n\u003cli\u003eSocket, butt-and-wrap or flanged ends\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"fibrovx-spec\"\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1em\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:0.95em;overflow-wrap:break-word\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top;background:#f2f4f7;font-weight:600\"\u003eCatalog value\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eElbows\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e45° and 90°, DN10–600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eTees\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eEqual and reducing tees, dimensions per catalog table\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eReducers\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eConcentric reducers, dimensions per catalog table\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003ePressure classes\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003e0.6 \/ 1.0 \/ 1.6 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eWall thickness \/ length\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003ePer DN and pressure class (catalog TH \/ L tables), e.g. DN100: TH 5.5 mm at 0.6 and 1.0 MPa, 9.4 mm at 1.6 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eConstructions\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d5dc;padding:8px 10px;text-align:left;vertical-align:top\"\u003eFRP; FRP\/PVC composite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cem\u003eCatalog values are design and selection references. Final dimensions, laminate and performance are confirmed in the quotation for your operating conditions. Standards are named as design references, not certification claims.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eRelated products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/frp-pipes\"\u003eFRP Pipes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/frp-flanges\"\u003eFRP Flanges\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/frp-filament-wound-products\"\u003eFRP Filament Wound Products\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/frp-prefabricated-pumping-stations\"\u003eFRP Integrated Prefabricated Pumping Stations\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to inquire\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMedium, concentration and operating temperature\u003c\/li\u003e\n\u003cli\u003eFlow, size or volume required\u003c\/li\u003e\n\u003cli\u003eDrawings or site layout if available\u003c\/li\u003e\n\u003cli\u003eQuantity and destination\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRequest a quote\u003c\/h3\u003e\n\u003cp\u003ePricing is by quotation only. Use the \u003ca href=\"\/pages\/request-a-quote?product=frp-pipe-fittings\u0026amp;title=FRP+Pipe+Fittings+%E2%80%93+Elbows,+Tees+and+Reducers\"\u003eRequest a Quote\u003c\/a\u003e form with your drawing, quantity and destination, or \u003ca href=\"\/pages\/contact\"\u003econtact FIBROVX\u003c\/a\u003e. Packing method, lead time and Incoterms are confirmed in each quotation — available on request.\u003c\/p\u003e","brand":"FIBROVX","offers":[{"title":"Default Title","offer_id":67924535345261,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0847\/0088\/9197\/files\/fibrovx-frp-pipe-fittings-01.jpg?v=1793592804"}],"url":"https:\/\/fibrovx.com\/collections\/frp-piping-systems.oembed","provider":"FIBROVX","version":"1.0","type":"link"}