Double piston effect lip seal seating assemblies
作者： Christophe Avdjian , Philippe Ode Daniel Ricard
DOI:
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摘要: A valve including a double piston effect seat assembly with unidirectional lip seals is provided. In one embodiment, includes ball (20) disposed in cavity (58, 98) of hollow body (12). The flow port (22) and rotatable to control through the valve. also (26, 34, 76) having (38, 80) contact ball, ring (40, 82) positioned on an opposite side from (46, 48, 50, 90, 92, 94). assembly, provided by arrangement seat, ring, seals. Additional systems, devices, methods are disclosed.
lens.org 参考文章(56)
George A. Moran, John B. Williams, Seat assembly for ball valves ,(1979)
Billy W Bowden, Seat for ball or gate valves ,(1971)
Madden T Works, Lubricated double-acting valve seat ,(1968)
Ruben G. Alaniz, Two piece double acting valve seat assembly ,(1976)
J Tomlin, J Fowler, W Kemp, Valve structure having fluid pressure actuated sealing members ,(1971)
Gerald A. Stunkard, Top entry trunnion ball valve ,(1985)
Kenichi Hayama, Sadayuki Nakanishi, Sealing mechanism for a ball valve ,(1986)
J Fowler, Valve structure having fluid pressure actuated seats ,(1972)
Giancarlo Nicolini, Guiseppe Bianchi, Giuseppe Vignati, Fire-safe ball valve ,(1987)
Dominique Malnou, Robinet d'isolement ,(2012)