Product Specification and Size :

Standard Specification for Forged Flanges:

ASME B16.5, ASME B16.47

Size Available

NPS 1/2 ~ NPS 120 (DN 15 ~ DN 3000)

Pressure Rate

150LB, 300LB, 400LB, 600LB, 900LB, 1500LB, 2500LB

Material Available

- A182 F1, F5, F9, F11, F22, F91
- A105, A350 LF1/LF2/LF3, A694 F42/46/52/56/60/65/70
- A182 F304/304L, F316/316L, F321, F321H, F317L, F310, F347


The above products are very competitive with superior quality and timely delivery. As one of the mass suppliers licensed by Sinopec Corp., the products have been supplied to many foreign engineering companies and clients such as Kvaerner, Toyo, Uhde, Rotary, Dow, DuPont, LG, BP, ConocoPhillips, Emerson, Shell, Bayer, Secco, etc.


Stainless steel or carbon steel forged flanges are used as a connection component for pipes, valves, pumps and other equipment form pipeline systems. Forged flanges are usually welded onto threaded pipes end and joined with bolts to make the connection.