Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1998-11-09
1999-11-30
Bennett, Henry
Fluid handling
Line condition change responsive valves
Direct response valves
1375395, 13753313, 251338, 417554, 417507, F16K 1500, F04B 5312
Patent
active
059924527
ABSTRACT:
Disclosed is a system used to increase the wear life of ball and seat valves and of ball and seat valves utilizing a piston mechanism to unseat the ball from the seat, which during operation, create turbulent flow within the valve preventing sand and other wear causing debris from collecting on and prematurely wearing pump components. Also disclosed is a wear and alignment bushing for ball and seat valves utilizing a piston to unseat the ball which reduces stress on the piston actuator.
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Bennett Henry
Gilbreth J.M. (Mark)
Kim Joanne Y.
LandOfFree
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