Weld Neck Flange Manufacturer

Forged Weld Neck Flange Manufacturer & Supplier: Rainbowmold manufactures long-tapered-hub weld-neck (WN) flanges that butt-weld into piping for high-pressure, sub-critical, thermal-cycling and vibration-sensitive service. We produce to ASME B16.5, EN 1092-1, DIN, JIS and BS in carbon steel (A105), stainless (304/316/316L) and alloy steels, with facing options RF, RTJ and full-face, plus PMI, radiographic and ultrasonic testing and NACE/ impact treatment on request. Leveraging 28 years of forging expertise, we supply code-compliant flanges worldwide.

DIN Pn10 Pn16 Carbon Steel SS304 Slip on Wn Flange Slip

Stainless steel carbon steel butt welding flange

ANSI DIN EN BS JIS ISO Forged Steel Socket Weld Flange for Oil Gas Pipeline

Class 150 300 600 2500 Stainless Steel Forged weld neck flange

Weld Neck Flange Manufacturer: Rainbowmold forges and machines the Weld Neck Flange Manufacturer through our 28-year dedicated flange and pipe-fitting line. built to ANSI/ASME, EN/DIN, BS, JIS and GB specifications, Class 150-2500 / PN6-PN420. materials include carbon steel A105 / A350, stainless 304/304L, 316/316L and duplex 2205, plus alloy steels such as F51, F91 and F22. The range covers blind, weld-neck, slip-on, threaded, socket-weld, elbow, tee, reducer and custom-forged fittings. quality is confirmed by hardness testing, PMI, and UT/MT/PT non-destructive examination with full EN 10204 3.1 certificates. Products ship to power plant, chemical plant, pipeline and pressure-vessel applications under an ISO 9001 / ISO 14001 system, with PED/CE marking available for European projects. Send your tag number, drawing or size-Pressure Class for a competitive forged-flange quotation.