Pump head

Details Pump head Pump head

1990-08-30

1992-04-07

Bertsch, Richard A.

Pumps

Expansible chamber type

Having pumping chamber pressure responsive distributor

417569, F04B 2102

Patent

active

051023121

ABSTRACT:
A pump head having a manifold with a fluid inlet and outlet, suction and discharge valves mounted in a channels valve seat cartridge for controlling fluid flow, and a plunger mounted in a fluid cylinder adjacent the valve seat cartridge for pumping fluid through the pump head, and, in one embodiment, high strength valve springs. A spring for valves in a pump head and methods for treating them.

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