Low or high pressure switch - turns off control circuit when water pressure drops below a set minimum, or above a set maximum.
低压或高压开关- - -用于当水压降低到预先设置的最低值或超过预先设置的最高值时，切断控制电流。
High / low pressure switch protection, protection, hot melt season, high exhaust heat protector for a compressor, overcurrent relay, phase sequence protector.
高/低压力开关保护、排气过高保护、热熔赛、压缩机热保护器，过流继电器、相序/缺相保护器等。
Pre-wired and tested controls which include control circuit, high and low pressure safety switches, 24 volt control circuit, flow switch & ETL Listed.
预有线和测试控制，包括控制电路，高低压安全开关，24伏的控制电路，流量开关。
Faulty high pressure cut-off switch.
高压截止器开关出故障。
If the pressure applied to it by the refrigerant is too high (26-30 bar), the switch contacts will open.
如果制冷剂对它施加压强太高(26 - 30巴)，开关触点将打开。
Conversely, if the pressure in the high pressure part of the circuit drops significantly (to 1-2 bar), the same switch opens in the other direction, again opening the contacts.
反过来说，如果电路中高压端的压强下降幅度过大(到1 -2巴)，开关1会向反方向开启，并再次打开触点。
In recent years, with national high attention to coal mine safety and the non-oil development of home high-pressure switch cabinet, mine use high-pressure vacuum switch cabinet has a good market.
近年来，随着国家对煤矿安全的高度重视，国内高压开关柜向无油化发展，矿用高压真空开关柜具有良好的市场。
The system uses a vent fan, a manually adjustable backpressure damper, a differential pressure-sensing gage, and an inlet air filter high differential pressure alarm switch.
此系统用一个排气扇，手动调节反压闸，压差传感器和一个进气过滤器压差高报警开关。
The utility model relates to a non-contact on-line monitor for air leakage and negative pressure fault in a high-voltage vacuum switch.
本实用新型是一种非接触式的在线监测高压真空开关的漏气及负压故障的装置。
The high-pressure flushing water pipe is controlled by the time-delay switch.
高压冲水管由延时开关控制。
The high-pressure flushing water pipe is controlled by the time-delay switch.
高压冲水管由延时开关控制。
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