On valves with fixed socket connections in the body, be sure the valve is in the open position to aid in evaporation of solvent vapors which can attack internal components.
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美
- 对于阀体上固定承插连接端口的阀门,要确保阀门处于开启状态,这有助于溶剂蒸汽的蒸发排放,避免溶剂蒸汽损坏内部部件。