Source: Foshan Electrical Equipment Co. center

Hydraulic couplings smooth, reliable, able stepless in a wide range of self-lubricating, can start no-load power machine. Power machine speed is equal to the pump speed, the transmission efficiency of 95 --- 97 percent, while reducing the pump speed is 25 --- 30 percent, then the transmission efficiency of 68 --- 70 percent, in the automatic control of the pumping station, stop often due to the inertia of the pump when the inner tube water pump back and causing water hammer. With this structure, however, is subject to an additional hydraulic coupling and its internal oil-filled, if the use of hydraulic couplings, can reduce water hammer earth (or water) pump (or pump) coupling oil cooler and other equipment, more complex fear.