Be responsible for maintaining gas pipe, valve and other accessories.
负责煤气主管道、阀门及辅件的维修保养。
Be responsible for maintaining gas pipe, valve and other accessories in boiler room.
负责锅炉房内煤气管道、阀门及辅件的维修保养。
The face seals provide constant guiding throughout the valve stroke, maintaining continuous contact with the gate.
在阀门闸板运动的全过程中，密封面都对闸板提供恒定的引导，保持与闸板连续稳定的接触。
And preservation the purpose of maintaining custody, is to keep the valve in the custody of the damage, or lower quality.
保管维护保管维护的目的，是不让阀门在保管中损坏，或降低质量。
By this, force acting in the direction of closing a valve body (41) ACTS on it through the diaphragm (42), maintaining the shutoff valve (40) closed.
从而经由隔膜(42)对阀体(41)在关闭的方向上施力，维持断流阀(40)关闭的状态。
Simple design allows an effortless means of maintaining the valve with minimal down-time.
简单的设计使保养维修变得更加简单，并使停机时间最小化。
Moreover, the self maintaining switch is relatively far from the pressure limiting exhaust valve, thereby avoiding the operator from being scalded by the steam.
而且自持开关离开限压排气阀较远，操作者能避免蒸汽烫伤的危险。
Moreover, the self maintaining switch is relatively far from the pressure limiting exhaust valve, thereby avoiding the operator from being scalded by the steam.
而且自持开关离开限压排气阀较远，操作者能避免蒸汽烫伤的危险。
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