Mud seat is equipped with a four skeleton oil seal and the sleeve to prevent shaft wear and tear, extending the service life of shaft.
泥浆泵座中装有四只骨架油封和轴套，防止轴磨损，延长轴的使用寿命。
Replaceable seat extends the service life of the valve. Resilient seats can be easily replaced after removing valve from the line (Details on page 12).
可更换的阀座延长了阀门的使用寿命。把阀门从管路上拆卸下来后，可以轻松地更换弹性阀座(细节请参阅第12页)。
The cage adopts the press-in type seat design, which solves the problems of difficult disassembly and high leakage of the traditional thread screw-in type seat and prolongs the service life.
阀笼采用压紧阀座设计，解决了传统的螺纹拧入式阀座拆卸困难，泄漏量大等问题，延长了使用寿命。
Up chamfer, down chamfer and working face must be correctly dressed so that the valve seat can acquire a longer service life.
气门座要获得高的使用寿命就必须对其上、下倒角和工作面进行适当的修整。
Flexible structure and automatically compensates for seat wear and the temperature and pressure changes, increased service life.
挠性结构又自动补偿阀座的磨损及温度和压力变化，提高了使用寿命。
Flexible structure and automatically compensates for seat wear and the temperature and pressure changes, increased service life.
挠性结构又自动补偿阀座的磨损及温度和压力变化，提高了使用寿命。
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