Check Valves, CV4 Series Maximum Working Pressure Up to 3000 Psig (206 Bar) have been well accepted and widely used in a variety of industries for many years. A wide variety of end connectors are offered for all types of installation. NACE compliant materials and oxygen clean are also available, along with an extensive list of materials of construction. Working pressure is up to 3000 psig (206 bar),working temperature is from -10 Degree F to 400 degree F(-23 degree C to 204 Degree C).Every check valve is factory tested for crack and reseal performance with a liquid leak detector. Every check valve is cycled six times prior to testing. Every valve is tested to ensure it seals within 5 seconds at the appropriate reseal pressure.

• Variety of seal materials available