F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
137/127
F16K 11/00 (2006.01)
Patent
CA 1269022
ABSTRACT OF THE DISCLOSURE Described herein is a three-way change-over valve for use in PSA gas refining system, the valve including: a casing of double wall construction having the interior thereof divided into inner and outer spaces by a partition wall, one of the inner and outer spaces being formed into a couple of tandem chambers each provided with a pair of openings in opposing portions of the partition wall to intercommunicate the inner and outer spaces; a couple of nozzles provided on the side of piping in communication with the tandem chambers of one space independently of each other; a nozzle provided on the side of an adsorber in communication with the other space; two sets of double seat pressers each having a couple of seat pressing members at the opposite ends of a valve stem to open and close the opposing openings of the respective tandem chamber simulstaneously from the same direction; and two sets of air cylinders for separately driving the double seat pressers.
503039
Kabushiki Kaisha Kobe Seiko Sho
Nakanishi Sadayuki
Riches Mckenzie & Herbert Llp
LandOfFree
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