Adopt the sand-proof structure design for the whole waterpump, bring down the damage to pump itself.
水泵整体采用抗沙性结构设计，降低了水井沙子对水泵的损坏程度。
2
This product has the characters of water and damp proof, inflexibility. It is the necessity of installing underwater electromotor and pump, and underground cables.
本产品用于深井电机、潜水泵、地下电缆等安装设备材料。绝缘防水、防潮、包扎后不开口，不脱落等特点。
3
In this paper, a conical swirl-proof device is proposed to prevent eddy and flow separation in the water - inhaling pipe of the pump.