Hy-Lok USA, 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
700 Series: Check Valves Pressure rating up to 3000 psig (206 bar) at 70ºF(21ºC) Temperature rating up to 375ºF (191ºC) with standard Viton O-ring Body materials available in 316 stainless...
700H Series: High Pressure Compact Check Valves Pressure rating up to 6,000 psig(413 bar) at 70°F(20°C) Temperature rating up to 375°F(190°C) with Viton seal standard. Suitable for gas and liquids.
Compressed Natural Gas Check Valve Hy-Lok's 700H Series Check Valves are designed for flow control CNG. Tested and certified for this application per AGA/CGA NGV 3.1.
One-piece Pipe-ended Adjustable Check Valves Hy-Lok USA has over 30 years of experience providing valves for a wide range of applications across industries. Our valves are available in a number...