端盖式结构的APS和400弹簧系列适用于大部分的旋转和摆动密封。
End cover structure of the APS and 400 spring series is suitable for most of the rotation and swing seal.
本发明公开了一种压差式自动关闭阀，该阀包括阀体、通端盖、阀芯球、弹簧座、弹簧、进口端、出口端；
The invention discloses a different-pressure automatic shuttle valve, comprising valve body, through end cover, valve core ball, spring seat, spring, inlet end, outlet port .
通过观察和检测数据分析，电动机的平板式钢板端盖改为盘式铸铁端盖，可提高端盖刚度，降低电机轴向振动。
By observation and analysis of the test data, changing the plate steel endshield of motor into the disc iron one can improve the rigidness of endshield, and reduce the axial vibration of motor.
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