ST& H is ISO 9001, PED, CRN certified pipe-line manufacturer, specializing Flanges and Valves. All of our products are compliance with the requirements of ANSI, API, MSS, DIN, BS, AWWA, JIS and also custom size on customers request.
Here are our production range :
Type : Slip-On, Welding Neck, Socket Welding, Blind, Thread, Lap-Joint
Hub Blind, Long Welding Neck, Reducing, Light Weight, Orifice and RTJ
Size : 1/2" ~ 72" (150lbs ~ 2500lbs)
Material : Carbon steel (A105/A105N/A350/A694),
Stainless steel (A182 F304/304L, F316/316L)