Refrigeration modulating valve sealing device

Details Refrigeration modulating valve sealing device Refrigeration modulating valve sealing device

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 41/00 (2006.01) F16K 41/04 (2006.01) F16K 5/06 (2006.01) F16K 11/087 (2006.01)

Patent

CA 2430421

A sealing device for a modulating valve of the type having a valve body defining a flow passage, an inlet and outlets, a valve displaceable in the flow passage to control an opening of the flow passage, and an actuator having an actuator rod rotatably coupled to the valve for displacing the valve in the flow passage. The sealing device comprises a body surrounding the actuator rod of the modulating valve. Connection means are adapted to secure the body of the sealing device to the valve body. Sealing means are provided between the body of the sealing device and the actuator rod and between the body of the sealing device and the valve body, to prevent fluid flow therebetween. The body of the sealing device and the sealing means are adapted to conceal and contain fluid leaks between one of the valve and the actuator rod, and the valve body, whereby no fluid is lost due to a leaking modulating valve.

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