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Characteristic:
This is a kind of safe protection valve. Install it in the liquefaction petroleum stores and irritates standing in the liquid phase and gaseous phase pipeline, use with the hand oil pump together, in order to when a large amount of leakage takes place even break out a fire in the pipeline, fast to release pressure hand oil pump cylinder; Or the high temperature enables filling fusibly in the alloy melting, make the valve cylinder release pressure, the valve is closed and stopped leaking rapidly, play a safe protection role. This valve can realize remote control , close rapidly, it is flexible to open.
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