Check and Relief Valves on Hy-Lok USA


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	Check and Relief Valves
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		One-piece Pipe-ended Adjustable Check Valves




		RV Series: Relief Valves Pressure rating up to 3,000 psi (207 bar) at 70°F (21°C) for RV1 low pressure, and up to 6,000 psi (413 bar) at 170°F (21°C) for RV2 high pressure. Temperature rating from -10°F to 400°F (-23°C to 204°C) with Viton seat standard. Standard 4.8mm (0.19in) orifice. Cracking pressure range from 10 psi to 250 psi for RV1 and from 225 psi to 6,000 psi for RV2 series. One spring adjustable over entire cracking pressure range for RV1 series. Compact design for small space installation. Cracking pressure adjustable externally. Lock wire capability to maintain pressure relief setting. Size range from 1/8" to 1" tubing and pipe. Variety of end connections include male/female NPT, ISO, BSP threads and female Hy-Lok tube fittings. Body material is 316 stainless steel.




		700 Series: Check Valves (23) 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 steel and brass 100% factory tested for cracking and reseal




		700H Series: High Pressure Compact Check Valves (30) 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. Blow-out resistant and stop reversing flow design. SS316 body material as standard. 100% factory tested Search 700H Series: High Pressure Compact Check Valves - 30 Items

Check and Relief Valves