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US 2022/0065065 A1Published application
Integral check valve lock open device for oil and gas equipment
OwnerGeorge Todd Lowry, Christopher Len Jacksoninventors
Life of this patent
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Abstract
An inventive lock open device for use with a poppet type check valve is disclosed. The device permits bidirectional flow of fluid or gas by defeating the check valve sealing device which permits hydrostatic testing without the need for check valve disassembly or the need for additional tooling.
Claims8
A lock open device for use with a poppet check valve housed within a check valve body for use with hydrostatic testing without the need to disassemble the check valve body.
An integral lock open device for use with a poppet check valve comprising
- a) a check valve body having an inlet connection end and an outlet connection end, a bonnet attached to a poppet and seat;
- and
- b) a lower section housing a locking body device together with a socket head cap screw, a poppet lock screw, a locking screw knob, a lock set screw and a lock screw stop.
Dependencies are inferred from the claim text.