摘要 |
PROBLEM TO BE SOLVED: To provide a two-way shut-off valve excellent in reliability, low in cost and small-sized which has a simple structure, small pressure loss and does not receive a limit of the working lowest pressure. SOLUTION: This two-way shut-off valve constitutes its characteristic feature of providing a first valve port to connect a first channel and a second channel to each other, a second valve port provided opposite to the first valve port and to connect the first channel and the second channel to each other, a first valve element to open and close the first valve port and a second valve element to open and close the second valve port and constituting the first valve element and the second valve element to simultaneously open and close by interlocking the first valve port and the second valve port.
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