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Buffered check valve (non-slam)

2015-06-06View Original

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I’m wondering about the use of non-slam at the exhaust end of reciprocating compressors – is it meant to prevent vibration? I’d like to know more details. It seems that if it’s not a cushioned check valve, then is a swing check valve used instead? Why is a swing check valve used in some places rather than a cushioned check valve? Bro, I’m new here, so my questions might be silly.....
Reply #22015-06-06
It is mainly the effect of pulsation that causes the valve disc to make frequent contact with the valve seat, reducing the lifespan of the check valve. Non-slam refers to reducing such collisions, and the double plate design is commonly used for this purpose
Reply #32015-06-09
Could you explain it in more detail? Are there any specific effects? How much longer can it be used? It seems so good – what are its limitations?
Reply #42015-06-09
Could you explain it in more detail? Are there any specific effects? How much longer can it be used? It seems so good – what are its limitations?

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