Water shut-off valve
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United States of America Patent
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May 10, 1988
Grant Date -
N/A
app pub date -
Apr 10, 1987
filing date -
Apr 10, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A coolant system and control valve used in a circuit for cooling spot welding tips. The control valve normally passes coolant to and from the tips. Should a break in the coolant flow occur because of a breakdown of one or more of the tips, the control valve will shift to close the normal coolant loop and divert coolant from a pressure source to a tank until a repair is made. A switch indicator can be utilized for visual observation of a break and also a flow indicator is provided on the valve body to indicate normal coolant flow.
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