BLOGS
BLOGS
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Why is my check valve leaking back?
Back leakage of a check valve means the sealing component cannot fully fit the valve seat when flow stops, allowing medium to flow backward. This failure is caused by foreign matter...
2026-06-24
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How long can a check valve last in service?
The service lifespan of a check valve varies drastically based on valve structure, body/seal material, medium cleanliness, pump cycling frequency, water hammer intensity and regular...
2026-06-24
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Which Way Does a Check Valve Arrow Point?
The cast or printed flow arrow on every check valve body is the core installation marker that indicates the direction of normal forward fluid flow. Following the arrow guarantees th...
2026-06-24
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Should check valve go before or after pump?
For almost all water, sewage, gas and process pump systems, the check valve must be installed on the pump discharge side (after pump) instead of the suction inlet side (before pump)...
2026-06-24
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How to install a check valve correctly?
Correct installation directly determines the sealing performance, service life and anti-backflow effect of a check valve. Wrong mounting direction, improper orientation, wrong posit...
2026-06-24