1. According to the layout of the device, terrain conditions, water level conditions and operating conditions, determine the choice of horizontal, vertical and other types (pipeline, submersible, submerged, non-blocking, self-priming, gear, etc.) Pump.

2. According to the flow rate, the gear oil pump determines whether the single suction pump or the double suction pump; according to the height of the lift, whether to select a single-stage pump or a multi-stage pump, the high-speed pump or the low-speed pump (air-conditioning pump), the multi-stage pump is lower in efficiency than the single-stage pump. If the single-stage pump and the multi-stage pump can also be used, the single-stage pump is first used.

3. According to the nature of the liquid medium, determine the clean water pump, the hot water pump or the oil pump, the chemical pump or the corrosion-resistant pump or the impurity pump, or use the non-blocking pump. The pump installed in the explosion area should be equipped with the corresponding explosion-proof motor according to the explosion area level. .

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Label: How to choose the right gear pump

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