BLOGS
BLOGS
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How to test if check valve is working properly?
A functional check valve must allow smooth forward fluid flow and fully block reverse backflow when system pressure reverses. Comprehensive testing includes visual pre-check, static...
2026-06-24
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What causes check valve failure frequently?
Frequent premature failure of check valves is rarely caused by product quality alone; it mainly stems from improper model selection, non-standard installation, harsh medium conditio...
2026-06-24
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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