Check Valves

Check Valves allow flow in one direction only, closing when the flow reverses. Ranging from 1/4" to 1" sizes with 1/2" NPT female x female connections. Made from 316 stainless steel.

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Oliver Valves check valves are a spring loaded, fail close barrier. The sprung poppet arrangement has been designed to minimise the flow loss associated with check valves.

The check valves can be supplied as a stand alone valve or an integral assembly within a valve body such as a Double Block and Bleed valve for chemical injection purposes.

Our check valves as standard are rated to 413bar (6,000psi) with a cracking pressure of 0.5bar (7psi) and are available in a range of different materials.

3D Models are available upon request.

Question: Do you supply CV's with PTFE seals?

Answer: Yes we do supply Check Valves with PTFE seals. For information on the availability of this, contact us at

Check Valve Specifications:
Maximum Temperature 200C
Flow Control Allows flow in one direction only, closing when flow reverses
Seats VITON seats (VITON 90 available for NACE. KALREZ also available if required)
Connections NPT female X female connections
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