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。
2
Open all the valve of inletpump.
将给水泵进出口的阀门全部开启。
3
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.