Floor trap primer valve

Details Floor trap primer valve Floor trap primer valve

F - Mech Eng,Light,Heat,Weapons

16

L

137/26

F16L 55/24 (2006.01)

Patent

CA 1216211

ABSTRACT OF THE DISCLOSURE A valve for automatically charging water into a sewer line trap from a water line containing water under variable pressure comprises a case having a longitudinal bore and means for connecting the case in series flow in the water line. A hollow shaft is mounted in the case and extends from the down- stream portion a predetermined distance toward the upstream portion thereof. A piston slidably mounted on the shaft divides the bore of the case into an air chamber downstream of the piston and a water chamber upstream. A floating seal is mounted within the water chamber upstream of the piston and hollow shaft. The seal is advanced and retracted with fluctuations of water pressure in the water line. In its retracted position it charges the water chamber with water and compresses the air in the air chamber. In its advanced position, it discharges the water content of the water chamber into the trap, thereby maintaining the water level thereof.

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