F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
137/141
F16L 55/045 (2006.01) F16K 47/02 (2006.01) F16L 55/05 (2006.01)
Patent
CA 2004175
Device for preventing water hammer while regulating water pressure includes valve-element biasing means which substantially consists of a pressure-adjusting spring with a small spring constant and a water-hammer preventing spring with a large spring constant which are disposed in series in a valve casing. The valve-element biasing means is capable of varying the opening area of a communicating passage which communicates an upstream passage with a downstream passage so as to adjust the pressure in the communicating passage while preventing the occurrence of water hammer in pipings and/ water supply equipments.
Fujishima Yukihiro
Kimura Yasuhide
Motohashi Takeshi
Marks & Clerk
Toto Ltd.
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