High pressure ball and seat valve with soft seal

Details High pressure ball and seat valve with soft seal High pressure ball and seat valve with soft seal

1993-02-03

1994-03-29

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

251361, 251364, 251368, F16K 1504

Patent

active

052975800

ABSTRACT:
A valve seat for a ball valve of a positive displacement pump for producing fluid from a subsurface formation wherein the valve seat is provided by a valve assembly having a non-corrosive hollow metallic housing therein which may have an internal radial groove therein, the metallic housing having an elastomeric material forming a bonded insert which has an aperture therethrough and a chamfered face for seating the ball of the ball valve in sealing engagement with said bonded insert.

REFERENCES:
patent: 3661167 (1972-05-01), Hussey
patent: 4086936 (1978-05-01), Vork
patent: 4128110 (1978-12-01), Hayatayan
patent: 4243067 (1981-01-01), Rubey
patent: 4662392 (1987-05-01), Vadasz

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