Forged Fittings


JMS has a range of pipe flanges made from premium quality materials including Carbon Steel ,High Yeild, Duplex, Stainless Steel and Super Duplex

JMS’s flanges have been fully tested to international standards to ensure we only supply the highest quality products.


Call your nearest JMS office today for more information on our range of flanges.


Size Range Type Dimentional Standard Thickness & Pressure Ratings Carbon Steels High Yield Alloy Steels Austenitic Stainless Steels Duplex Steels Nickel Alloys Copper Nickel
¼ to 72 NB” Weld Neck Blind Flange Socket Weld Threaded Slip On Lap Joint Nipo Flange Long Weldneck Orifice Weldneck ASME B16.5 ASME B16.36 ASME B16.47 Series A & B API 6A (API Flanges) Norsok L005 (Compact Flanges ) All Standard Schedules Intermediate & Heavy Wall Also Available Pressure Ratings from 150# to 2500# /2,000 to 20,000 PSI ASTM A105N ASTM A694 F42 ASTM A182 Grade F1 ASTM A182 F304 / L ASTM A182 F51 ASTM B564 UNS NO6625 Cu/Ni 90/10
ASTM A350 LF2 ASTM A694 F52 ASTM A182 Grade F5 ASTM A182 F316 / L ASTM A182 F53 ASTM B564 UNS NO8825
ASTM A350 LF3 ASTM A694 F60 ASTM A182 Grade F9 ASTM A182 F321 / H ASTM A182 F55 ASTM B564 UNS NO8800
ASTM A694 F65 ASTM A182 Grade F11 ASTM A182 F347 / H ASTM B564 UNS NO8810/11 (HT)
ASTM A694 F70 ASTM A182 Grade F22 ASTM A182 F44 UNS S31254 (6 Mo)
A707 L3 CL3, L5 CL3 ASTM A182 Grade F91
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