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    Home > Active Ingredient News > Drugs Articles > Possible failure of discharge valve and its elimination

    Possible failure of discharge valve and its elimination

    • Last Update: 2009-04-06
    • Source: Internet
    • Author: User
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    Possible failure cause elimination method of failure flange connection part leakage flange connection bolt not tightened or not evenly tightened Tighten the bolts evenly again The gasket fails Replace the gasket Remove the dirt between the flange sealing surfaces Clean the flange If the packing box leaks, the packing is not loose or the packing gland deviates, the packing gland shall be pressed evenly and the packing fails to be replaced with new packing Leakage of sealing surface, dirt between sealing surfaces, cleaning of sealing surface, damage of sealing surface, regrinding The valve rod does not rotate flexibly The packing pressure is too tight Adjust the tightness of the packing There are sundries between the valve rod and the valve rod nut The thread is damaged Disassemble and clean or repair the damaged part of the electric device, and check and repair according to the instructions
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