As a professional high pressure check valve part manufacturer, Walkson provides castings or forgings for adjustable cracking back check valves.
Our best quality dual double check valve components include Valve Body, Bonnet, Disc, arm, shaft, guide and valve seat.
Available material includes carbon steel for carbon steel fabrication, low alloy steel, stainless steel, and duplex steel.
Available size from DN50 to DN600.
Reference standards for materials: ASTM A216, A217, A351, A352, A890, A995, EN10027-1, EN10025-2, EN10293, EN10296-1, EN10138, EN13673, EN10088 etc.
Inspections include but not limited to MT, UT, PT, RT, Dimension inspection, Visual inspection, hydro test, etc.