Water level controller using principle of water pressure automatic control of the water tank without wearing parts .

Automatic water level controller through automatic adjustment control, when the water level is lower than a water outlet, automatic water supply; water level is higher than the water outlet to stop water supply, no need of power supply. According to the mechanical air water container water level always maintained at a certain level, can effectively avoid the pigs, cattle and sheep caused by sewage water.

Automatic pig drinking system include water level controller,  water pipe, stainless steel pig water bowl /trough etc. It is widely used in pig pen, piggery farm.