F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 17/04 (2006.01) F16K 25/00 (2006.01)
Patent
CA 2109381
A safety or pressure relief valve which relieves excessive pressure in a storage reservoir in a compressed air system. The valve includes a lower valve body and an upper valve housing. A valve seat member is secured in the lower valve body. The valve seat member includes an annular dovetail groove for accommodating and retaining a fluorocarbon rubber O-ring seat. A valve disc and stem slidable within a stem guide member located in the upper valve housing. A compression spring for urging the valve disc against the fluorocarbon rubber O-ring seat to positively seal off the flow of air between an inlet and outlet port.
Macrae & Co.
Westinghouse Air Brake Company
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