Fluid cutoff device in a line

Details Fluid cutoff device in a line Fluid cutoff device in a line

F - Mech Eng,Light,Heat,Weapons

16

L

137/135

F16L 37/28 (2006.01) A61M 39/26 (2006.01) F16L 29/04 (2006.01) F16L 37/32 (2006.01)

Patent

CA 1309317

ABSTRACT A fluid cutoff device in a line, includes a first coupling having a generally cylindrically shaped outer body, and a hollow generally cylindrically shaped inner body with a first inner sealing surface. The first coupling includes a first shutter valve adapted to be normally biased closed to abut against the first sealing surface to cut off fluid flow through the first coupling. The device includes a second coupling having a generally cyclindrically shaped outer body adapted to sealably translate within the inner body of said first coupling, and a hollow generally cylindrically shaped inner body with a second inner sealing surface. The second coupling includes a second shutter valve and is adapted to be normally biased closed against the second sealing surface to cut off fluid flow through the second the first shutter valve adapted to separate the respective shutter valve from the respective sealing surface to open the couplings.

602711

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