BLOGS
BLOGS
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How to clean clogged check valve?
Clogging is the most common fault of check valves, mainly caused by sludge, hair, fiber, welding slag, sediment and solid particles trapped between sealing components and valve seat...
2026-06-24
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Why does pump cycle repeatedly due to faulty check valve?
Frequent short cycling of water booster pumps, sewage lift pumps and well pumps is a very common failure symptom caused by leaking or malfunctioning check valves. A defective non-re...
2026-06-24
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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