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Global Flange Manufacturers in India — ASME/ANSI & DIN Standards

Flowtorq Engineering is a premier Flange Supplier in India, exporting high-performance Stainless Steel Flanges and Carbon Steel Flanges worldwide.

Weld Neck (WNRF) Slip-On (SORF) Blind (BLRF) Socket Weld (SWRF) Lap Joint

Premium Range of Pipeline Flanges

Standard manufacturing from 150# to 2500#, PN10, PN16, JIS 5K, JIS 10K, JIS 20K pressure classes.

Stainless Steel SORF Flange Manufacturer India

SORF Flanges (Slip-On)

Slip On Raised Face (SORF) flanges in ASTM A105 and SS 304/316L.

Carbon Steel WNRF Flange Supplier India

WNRF Flanges (Weld Neck)

Heavy-duty Weld Neck Raised Face (WNRF) for high-pressure systems.

BLRF Blind Flange ASME B16.5 Dimensions

BLRF Flanges (Blind)

Precision-machined Blind Raised Face (BLRF) for positive isolation.

Material Specifications & Grades

Category Common Grades Common Ratings
Stainless Steel ASTM A182 F304, F316L, F321 ASME / ANSI 150# 300# 600# 900# 1500# 2500# - FF / RF / RTJ
Carbon Steel ASTM A105, A350 LF2 JIS 5K 10K 16K 20K
Duplex Steel F51, F53, S31803 PN10 PN16 & IS Standards
Flange Material Quality Assurance India