Double-jet acting trap primer

Details Double-jet acting trap primer Double-jet acting trap primer

F - Mech Eng,Light,Heat,Weapons

16

K

137/127

F16K 31/143 (2006.01)

Patent

CA 1043657

ABSTRACT OF THE DISCLOSURE A flow-through or in line type trap primer adapted to deliver a first metered spurt of water through a primer flow passage to a trap upon the initiation of flow in a supply line,and a second metered spurt of water upon the ter- mination of such flow. A reaction disc in the main flow passage causes a stem to translate between two positions, and means cooperating with the stem cause the primer flow passage to be closed at said two positions and open as the stem moves between said positions. Manual as well as automatic priming is provided for.

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