将真空泵连于复合压力表,打开复合压力表和真空泵对室内机和连接管抽真空。
Unscrew the nut from the service connection of suction line valve and connect the compound pressure gauge.
将真空泵连于复合压力表,打开复合压力表和真空泵对室内机和连接管抽真空。
Connect the vacuum pump to the compound pressure gauge; open the compound pressure gauge and vacuum pump to vacuum the indoor unit and connecting pipe.
适用于检测压力真空断路阀,减压防回流阀或双止回阀总成,不再需要压力表和压差表。
Designed to test pressure vacuum breakers, reduced pressure backflow preventers or double check valve assemblies, allowing you to eliminate both pressure and differential test gauges.
压力真空表和真空表。
如果泵上装有真空表或压力表,要关闭其与泵相连接的旋塞再启动电动机,待转速正常后再打开;
First close the plug of a vacuum or pressure meter, if so mounted on the pump, connected to the pump before starting the motor and then open it when the motor move in the normal speed;
耐震压力表适用于测量剧烈震动场所及有介质波动的情况下的介质压力或真空。
Applicable to pressure or vacuum measurement in such places where the violent shock occurs or in case the medium to the measured often fluctuates.
泵不吸水,压力表及真空表的指针剧烈跳动。
Pump not suck water, indicator of pressure and vacuum meters severely jumps.
水泵不吸水,压力表及真空表的指针在剧烈摆动。
Pump could not suction water. The fingers of pressure gauge and vacuum gauge swing acutely.
真空源连接到阀门的底部,一边连接的压力表,对方连接到系统中,真空被控制。
The vacuum source is connected to the bottom of the valve, one side connection is for a gauge, the other side connects to the system in which vacuum is to be controlled.
真空源连接到阀门的底部,一边连接的压力表,对方连接到系统中,真空被控制。
The vacuum source is connected to the bottom of the valve, one side connection is for a gauge, the other side connects to the system in which vacuum is to be controlled.
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