Fluid handling – Diverse fluid containing pressure systems – Fluid separating traps or vents
Patent
1998-06-16
2000-01-11
Fox, John
Fluid handling
Diverse fluid containing pressure systems
Fluid separating traps or vents
137177, 13762546, F16K 1106
Patent
active
RE0364851
ABSTRACT:
A steam trap test station includes a body connected to [a source of steam] an inlet for steam and condensate from an object to be heated by steam, a steam trap and [an object to be heated by steam] a condensate outlet. A rotor is fixed for rotation in the body. The body [having] has porting walls defining body ports, and the rotor has porting walls defining rotor ports. The body and rotor ports are adapted and arranged such that an "ON" mode is provided wherein steam and condensate passes through the station from the [source of steam] inlet through the steam trap to the [object to be heated] outlet. A "TEST OUTLET" mode [being] is first reached when the rotor is turned in a first direction from the "ON" mode wherein [an] the outlet [max] may be tested for leakage. A "TEST INLET" mode is second reached when the rotor is turned in the first direction from the "ON" mode wherein the inlet [media] may be tested. A "BYPASS & VENT" mode is first reached when the rotor is turned in a second direction from the "ON" mode wherein the steam trap is bypassed and vented. An "OFF" mode is second reached when the rotor is turned in the second direction from the "ON" mode wherein steam [is] and condensate are blocked.
REFERENCES:
patent: 5199458 (1993-04-01), Wen
patent: 5445187 (1995-08-01), Farguhar
D/A Manufacturing, P.O. Box T. Tulia, Texas 79088, "Model SE-4M `Selector Valve`", May 1989. (2 pages).
Spence Engineering Co., Inc., Walden NY 12586-2035, "Data Sheet 3-2-1A (Type T & B Test and Blocking Steam Valve)", Aug. 1995. (2 pages).
Armstrong International, Inc., 816 Maple Street, P.O. Box 408, Three Rivers, Michigan 49093, "Bulletin No. 607 (The Compact Trap Test Station)", Aug. 1992. (7 pages).
Fox John
Thompson Daniel V.
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