Gas lift valve

Details Gas lift valve Gas lift valve

1985-04-22

1986-06-03

Cohan, Alan

Fluid handling

Diverse fluid containing pressure systems

Gas lift valves for wells

417115, F04F 108

Patent

active

045923809

ABSTRACT:
A gas lift valve having a bellows protecting valve and seat in which one of the bellows protecting valve and seat is constructed of polyimide material and a sleeve of polyimide material internal of the bellows protecting the bellows against distortion and wear.

REFERENCES:
patent: 2519242 (1950-08-01), Garrett et al.
patent: 2869568 (1959-01-01), McCarvell
patent: 4124195 (1978-11-01), Braun

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