7.5hp water pump petrol pump machine price agricultural spray pump

Farmland irrigation small diesel water pump

Before the pump starts, fill the pump housing with water (or the pump itself). After the start of the high-speed rotation of the impeller so that the impeller channel flow of water to the volute, then the entrance to form a vacuum, so that the water back door to open the suction pipe into the pump, and the impeller channel to reach the outer edge. Self-priming pump is a self-priming centrifugal pump. It has the advantages of compact structure, convenient operation, smooth operation, easy maintenance, high efficiency, long life and strong self-priming ability. Pipeline do not need to install the end of the valve, just before the work to ensure that the pump can be stored in a quantitative lead. Different liquids can be used with different materials self-priming pump.

Model ST20HP  

Water pump

Suction,discharge port diameter 50mm
Cont.head 55m
Self-priming time(s/4m) 30
Cont.capacity(m3/hr) 23
Max suction head(m) 8 
Engine model ST186F
Speed(rpm) 3600
Type: Single-cylinder,vertical,4-stroke air-cooled diesel engine 

Displacement (cc) 406
Bore X stroke (mm) 86X70
Starting systerm: Recoil or Electric
Fuel tank capacity (L) 5.5
Dimension(L x W x H)(mm) 645x475x605
Net weight(kg) 39