F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
137/35
F16K 17/00 (2006.01) F16K 17/28 (2006.01)
Patent
CA 1138298
ABSTRACT. A safety closure device is described for use in a distribution system for fluid under pressure. The device comprises a conduit adapted to be inserted into the system and a piston displaceable relative to the conduit capable, in an end position, of closing off flow through the conduit and, in another positon of providing a flow duct for fluid. Means are provided for adjusting the flow duct section to establish a normal fluid pressure difference upstream and downstream of the piston and for maintaining this equilibrium to a threshold value of the difference. Exceeding the threshold value causes displacement of the piston to close the conduit.
326681
Kirby Eades Gale Baker
Tulcea S.a.
LandOfFree
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