AirOperated - Uses auxiliary compressedair or water source to shift valve, rather than a solenoid operator.
气动—使用辅助压缩空气或水的来源转变阀,而不是一个螺线管操作。
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AirOperated - Uses auxiliary compressedair or water pressure to shift valve, rather than a solenoid operator. ASCO offers a choice of 3 pneumatic operator pressure ratings.
The air-jet exhauster is a compressedair-operated device for pump priming, provided that the pump has no foot valve. Water is induced into the pump by vacuum created by the exhauster.