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The whole thread is about pumper inlet check valves with SPRINGs inside

December 15 2011 at 7:10 PM
Glover, Walter  (Login Voltar1)
Crosman Forum Member
from IP address

Response to I drew the sketch sans spring...

why the bait and switch?

I think you are saying the pressure in the valve exerts force on the check while the pump is filling the valve? Is that what you are thinking?

For a pumper your sketch without a spring will not function as there is zero closing force ever.

Appreciate it if we could stay on topic.


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