1, since the suction pipe suction pump suction valve installed valve, not normal suction, suggested the use of appropriate valve.

2, because the inlet pipeline is too long to self absorb the self priming pump, if the inlet pipe is submerged in the water, the pipeline is more than 1 meters. It is suggested to shorten the length of the pipeline in the water and reduce the self suction distance.

3, self-priming pump is not to suck water up, so the export end of the pipeline is not water, the part of the user understand that reason is not up to the pump head, so the self suction pump outlet should install a valve and pressure gauge and pressure gauge should be installed between the pump outlet and the valve outlet, observation the pressure to facilitate and determine whether water is sucked up.

4, the self priming pump selection is wrong, the actual condition head is too high, the head of the self priming pump can not meet the needs of the actual working conditions, and the solution of the self priming pump can not reach the high lift self suction pump.

5, the transport of liquid contains particles, because the pipeline or pump body is blocked, so that the self priming pump head can not reach the transport sewage. It is recommended that the self suction sewage pump be more suitable.

6, corrosive liquid conveying serious self suction pump impeller suffered serious corrosion suggest adopting self suction pump products such as stainless steel or fluorine plastic self-priming pump self-priming pump is corrosion resistant, or used for a long time after the pump impeller suffered wear clearance between impeller and pump cover too much is self-priming recommended reason pump lift not up to the replacement of new self-priming pump impeller. Stainless steel self priming pump

7. The self - sucking pump head purchased by the user is wrong with the self - matched motor, for example, the 2900r/min motor is actually needed and the user is equipped with a 1450r/min motor.

Flow stability method: when the self priming pump is first used, the pump body must first be filled with the pump body as the irrigation water, and the suction pipeline must be absolutely sealed. When the start is started, the flow instability is normal, because the exhaust air will be stable after discharging.

Use order of self-priming pump

1 the full opening of the import, the closure of the outlet valve

2 filled with irrigation (attention monitoring after first use)

3 start the pump to open the valve to 1/3 to wait for the pump to emptying air (see the state of the pump running to determine whether the air is emptying).

4 full opening of the export valve

5 is liquid water, or mud? In the mud, the flow head will be reduced. The flow head calibrated by the pump are all true to the water. Too viscous medium, the influence is larger.

• Print
• Close This Page
• Recommendation：
• 
• Browse：