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The Electromagnetic High Vacuum difference-pressure Valve is a vacuum globe valve which can prevent the oil in the mechanical pump returning into the vacuum system.
It is installed at the air inlet of the pump and be opened or closed promptly With the power supply of pump on or off; In this time, keeping vacuum rate for the vacuum system and be charged air promptly to the pump.
The valve has filter element, so it can prevent the dust getting into the pump.
The applicable media is air and non-corrosive gas.
