oil pump inlet valve 油泵进油阀
pump inlet check valve 泵进口止回阀 ; 泵入口单向阀
pump compensator valve inlet 泵补偿器阀入口
Main pump inlet bottom valve 大泵吸入底阀
Sand pump inlet bottom valve 砂泵吸入底阀
inlet valve metering pump 输入阀计量泵
In general, a foot valve can be mounted if the pump is mounted above the water level of the water inlet so as to start the pump with priming, it can also use the way of vacuum pump water leading.
如水泵安装在进水水位以上时，为了灌泵启动，一般可装底阀，也可采用真空泵引水的方法。
Open all the valve of inlet pump.
将给水泵进出口的阀门全部开启。
Traditional bin pump using the double gate valve as inlet valve. After material filled with large volume vessel, this system using a strong air flow to blow the material into silo.
传统的仓式泵一般采用双闸阀作为进料阀，在输送过程中采用“集中一次输送”，即使用大容积的发送罐，然后通过较大的气耗量将物料吹至接受仓。
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