Constant pressure water supply means that the outlet pressure remains unchanged when the water consumption in the water supply network changes. The outlet pressure of water supply network is determined according to the user's demand. The traditional ...

Photovoltaic water pump system, the use of lasting energy from the sun, sunrise and sunset, no need for personnel care, no need of fossil energy, no need of comprehensive power grid, independent operation, safe and reliable. It can be used with drip ...