Non-Return Valve (NRV)
Another term for check valve - a valve that allows flow in one direction and prevents reverse flow. 'Non-return valve' is the common term in UK/Commonwealth countries; 'check valve' is preferred in North America.
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What is a Non-Return Valve (NRV)?
Another term for check valve - a valve that allows flow in one direction and prevents reverse flow. 'Non-return valve' is the common term in UK/Commonwealth countries; 'check valve' is preferred in North America.
What is a Non-Return Valve (NRV) used for?
Non-Return Valve (NRV)s are used in industrial piping systems for on-off isolation, flow control, or backflow prevention depending on the valve type. They are selected based on the process fluid, operating pressure and temperature, required shutoff class, and pipeline size. Vajra Industrial Solutions supplies Non-Return Valve (NRV)s certified to API 6D, ASME B16.34, and other applicable standards.
How do I select the right Non-Return Valve (NRV) for my application?
Selecting the correct Non-Return Valve (NRV) requires specifying: (1) nominal pipe size (NPS/DN), (2) pressure class per ASME B16.34, (3) body and trim material based on fluid compatibility and temperature, (4) end connections (flanged RF/RTJ, butt-weld, socket-weld, or threaded), (5) required certifications (API 6D, ISO 9001, fire-safe API 607). Contact Vajra Industrial Solutions at sales@vajravyuh.com with your specifications for a quote.
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