Fluid handling – With casing – support – protector or static constructional... – Jacketed
Patent
1993-07-12
1994-04-12
Chambers, A. Michael
Fluid handling
With casing, support, protector or static constructional...
Jacketed
251329, 137315, F16K 2504
Patent
active
053017129
ABSTRACT:
Disclosed is a slide valve for high temperature and/or abrasive service having a metal shell and a liner of refractory material forming a flowway having an inlet and an outlet and an orifice opening between them. A side opening closed by a removable bonnet intersects the flowway at the orifice opening and is provided with grooves extending transversely from the side opening to each side and beyond the orifice opening and forming upstream and downstream guide and slide shoulders. An orifice plate with an orifice is slidable into and out of position through the side opening, a slide or disc is slidable in the guides for movement to open, closed, and throttling positions. The orifice plate has a seal around its orifice which sealingly engages the upstream shoulder.
REFERENCES:
patent: 2787438 (1957-04-01), Bauer
patent: 3964507 (1976-06-01), Jandrasi et al.
patent: 4693452 (1987-09-01), Jandrasi
Baumgartner Gary J.
Treichel Lee E.
Chambers A. Michael
Tapco International Inc.
Weiler James F.
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