| 摘要 |
PROBLEM TO BE SOLVED: To provide a connection water pipe valve with check valve function, having lower-cost simple construction with a less number parts for permitting the feed of water from a source side to a destination side while preventing the back flow of water from the source side. SOLUTION: The connection water pipe valve comprises a valve casing 1 having a fluid inlet and a fluid outlet, a valve seat 2 provided in the valve casing 1 at its fluid passage, a valve element 3 provided on the valve seat 2 in a contactable/separatable manner, a spring 6 for energizing the valve element 3 toward the valve seat 2, a valve shaft 4 for thrusting the valve element 3 against the valve seat 2, and a valve handle 5 provided at the upper end of the valve shaft 4 for moving the valve shaft 4 up and down. COPYRIGHT: (C)2005,JPO&NCIPI
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