PDL automatic self-priming pump consists of three components, water pump, sealing and electrical motor. The motor is asynchronized with built-in protection device. The pump is in vortex impeller structure and has automatic suction function. Single-face mechanic sealing is mounted between pump and motor. O shaped oil-proof rubber sealing ring is used at each stationary port as static sealing.

Application and Conditions:
The water pump can be used for pressurization of tap water pipes and apartment water pipes, water supply from the under ground or the open wells, farm field and couryard irrigation. When electrical power is on, the water will run immediately after faucet is opened and stop automatically after faucet is closed. The equipment can operate to handle both cold and hot water very conveniently.