Quiet check valve

Details Quiet check valve Quiet check valve

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 15/00 (2006.01) F04B 53/10 (2006.01)

Patent

CA 2101034

ABSTRACT This invention represents an improvement in a standard four ball reciprocating piston pump. Such pumps utilize a greatly enlarged seat to provide hydraulic cushioning of the check balls in order to greatly quiet operation. A seat width on the order of 6% of The ball's circumference is preferred. Closely confining the ball to the axis of the seat helps efficient And quiet operation.

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