Velan, Inc. Datasheets for Check Valves

Check valves are self-activating safety valves that permit gases and liquids to flow in only one direction, preventing process flow from reversing. They are classified as one-way directional valves. 
Check Valves: Learn more

Product Name Notes
Pressure Seal Piston Check Valves
Pressure Seal Swing Check Valves
Pressure Seal Tilting Disc Check Valves
Pressure Seal Y-pattern Piston Check Valves
A complete range of gate, globe and check valves for all of your high pressure and high temperature applications, proven over years of service in conventional thermal and nuclear power...
Bolted Cover Piston Check Valves
Bolted Cover Swing Check Valves
A complete range of gate, globe and check valves for all of your high pressure and high temperature applications, proven over years of service in thermal and nuclear power plants...
Check Valves A comprehensive range of small forged gate, globe, check, angle and bellows seal valves with unique design features. Features and benefits • Available types: Piston, Ball, Swing check
Flanged Swing Check Valves API 603 corrosion-resistant stainless steel gate, globe and swing check valves. Features and benefits • Wall thickness to ASME B16.34. • Optional integral CoCr alloy hardfaced seat available for longer...
Socket Weld/threaded Check Valves API 603 corrosion-resistant stainless steel gate, globe and swing check valves. Features and benefits • Wall thickness to ASME B16.34. • Precision, high quality investment castings.
Swing Check Valves Cast steel gate, globe and check valves with industry-leading emissions, shutoff and repairability performance. Features and benefits • Body and cover: Precision machined castings. Exclusive: Disc shaft does not penetrate...
Cryogenic Swing Check Valves Cast steel gate, globe and check valves with industry-leading emissions, shutoff and repairability performance. Features and benefits All basic design features of Velan cast steel swing check valves are adapted...
Cryogenic Check Valves Cast steel gate, globe and check valves with industry-leading emissions, shutoff and repairability performance. Features and benefits All basic design features of Velan small forged steel check valves are adapted...
Piston Check Valves Forged, one-piece inclined globe and check valves for high pressure applications Features and benefits • Solid CoCr alloy disc, fully guided for fast and full seating, even without spring. •
CLAMA Check Valves RAMA valves are designed for fast and easy in-line maintenance, in less than 15 minutes. Features and benefits Qualified by EDF, the CLAMA easy maintenance check valve was developed to...
Dual-plate Check Valves Retainerless dual-plate check valves for a broad range of applications. Features and benefits • BODY SURFACE WITH UNINTERRUPTED GASKET SURFACE: Proquip dual plate check valves use an internal retention method...