Forged Carbon & Stainless Steel Blind Flange Supplier: Rainbowmold supplies solid forged blind flanges (BL) used to seal the ends of piping, valves, vessels and nozzles for pressure testing, isolation and future connection points. We machine to ASME B16.5, EN 1092-1, DIN, JIS and BS, in carbon steel, stainless and alloy grades, with raised-face or ring-type-joint facings and bolt-hole drilling to standard. Each batch can include material certificates, PMI, hardness and NDE reports. We ship blind flanges and matching fasteners together.

Carbon Steel ASME B16.5 Forged ANSI B16.5 A105 Slip on Flange

ANSI B16.5 150LBS Weld Neck Carbon Steel Pipe Flanges

Stainless Steel Slip-On Flanges for Petrochemical Industry

Stainless steel flange slip on flange for pipe connect

Blind Flange Forged Steel Supplier: Rainbowmold forges and machines the Blind Flange Forged Steel Supplier through our 28-year dedicated flange and pipe-fitting line. manufactured to ANSI/ASME B16.5, B16.9, B16.47, DIN, BS/EN, JIS and GB standards in pressure classes 150 to 2500#. grades forged span A105, A182 F304/F316/F316L, F51 duplex, F91 and F22 alloys, and copper-nickel on request. The range covers blind, weld-neck, slip-on, threaded, socket-weld, elbow, tee, reducer and custom-forged fittings. every batch is verified by dimensional check plus NDT options - UT, PT, MT and PMI material analysis. Products ship to offshore, refining, chemical-processing, marine and district-heating pipelines 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.