Quick-test valve assembly and method

Details Quick-test valve assembly and method Quick-test valve assembly and method

G - Physics

01

M

G01M 3/28 (2006.01) F16K 3/02 (2006.01) F16K 51/00 (2006.01)

Patent

CA 2102488

11 ABSTRACT A method and apparatus of simultaneously field testing valve body pressure integrity and sealing capability of metal-to-metal, seat-to-body, and seat-to-gate mating surfaces in an opened or closed valve, such as a slab or gate valve, includes the method steps of injecting an externally pressurized testing medium into the valve cavity through an existing port nor normally used for pressure testing, such as a bonnet bleeder fitting or valve body flush and grease injection fittings. The apparatus includes a valve seat having a base and sleeve received in telescoping fashion on either the upstream side or both sides of the valve.

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