The Maintenance Work When Valve Grease (2)

    Fifth, when greasing, we should pay attention to pressure relief valve and a plug of sewage. Pressure test valve, sealed valve chamber cavity gas and water temperature and boost for the environment, when to conduct a sewage pressure relief before grease, to facilitate the smooth progress of the grease. The air and water are full replacement out after grease seal cavity. Vent valve cavity pressure off in time, but also protects the safety of valves using. After greasing, be sure to tighten the pressure and discharge relief valve and to prevent accidents.

    Sixth, when greasing, we should pay attention to the issue of uniform grease. When the normal grease, latest from the grease port hole first, then to low, and finally the high point, successive grease. If you do not follow the rules or no grease, prove that existence of plug, clean through timely treatment.

    Seventh, when greasing, we should also observe that valve is flush with the seal seat. Such as ball valve, adjust the limit can not only look for one on or off position, to be whole. If the open spaces flush and customs are not in place, will cause the valve loose.
   
    Eighth, after greasing, Must seal the grease port. To avoid impurities, Or grease department lipid oxidation. When capping, should apply antirust grease, to avoid rust. Applications for the next operation.