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    Venting valve are normally closed
    Venting valve LCV

    Application:For screw compressors which are shut down with full discharge pressure.


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    Details Introduction

    Operation:

    The venting valve LCV is normally closed. It opens when pressure is apllied to inlet E. Inlet E is connected with the suction control valve downstream from the non-return valve. The non-return valve closes at shut-down of the compressor and the suction duct downstream from the non-return valve is pressurized by air-oil mixture. This pressure opens the LCV. It remains open until the compressor is vented to approximate 0.3 bar (g)


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