F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 5/08 (2006.01) A62C 35/68 (2006.01) E03B 7/12 (2006.01) E03B 9/02 (2006.01) F16K 1/22 (2006.01) F16K 3/08 (2006.01) F16K 24/02 (2006.01)
Patent
CA 2202811
The invention includes an axial-mounted high flow rate valve by fixedly mounting a rotatable valve sealing element so that it pivots on an axis which is substantially parallel to a central axis of the pipe or conduit to which the valve is connected. The rotatable valve sealing element can be not only circular, but non-circular as well, having an extended length along the pivot axis for even greater flow rates and may be particularly suited for installations in sprinkler systems which require greater flow than a normal valve of the same diameter and may even be used as a combination valve for hydrant and sprinkler system use, such as in residential applications. The present invention also may include a purge port to purge residual fluid remaining in the valve, downstream of the valve sealing element, to assist in preventing freezing of the valve and it may include an air port to allow air to enter the valve to alleviate a possible vacuum created by the purging and to enable more effective purging.
Big Horn Valve Inc.
Burgess Robert K.
Clark Wilson Llp
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