Water metering pump is an important equipment for conveying fluid water treatment fluid, to supply energy to overcome the flow resistance, keep the equipment or pipeline flow. In addition, in water treatment, will also need chemical reagents from a tank to tank B from low position to high. All of these are rely on water treatment work and complete the metering pump. Therefore, a reasonable choice of pump products, understand water treatment technology development trend of metering pump, a water treatment work in an important work.

Classification of pumps for water treatment:

In the field of water treatment industry, there are many kinds of pump equipments. It is difficult to make a macroscopic generalization with a sort of classification method, which is often classified according to the actual needs according to different methods

1. according to its transport medium classification of single-phase medium pump, two-phase medium pump, multiphase medium pump three categories

 2.The vane pump in the pump in the classification of water treatment water treatment, vane pump is widely used in water treatment, commonly used has the following several types: single pump, multistage pump, double suction pump, mixed flow pump, axial flow pump, submersible pump, submersible pump, screw pump, metering pump, piston pump, screw pump and jet pump.

3. according to the principle of classification of vane pump: the blade and liquid interact to transport liquids, such as centrifugal pump, mixed flow pump, axial flow pump, vortex pump. The pump to transport the liquid volume: use studio volume periodically, such as piston pump, piston pump, diaphragm pump, gear pump, screw pump and slide pump.

Other types of pumps: pumps that change liquid potential, such as water tankers; pumps that use liquid energy to transport liquids, such as jet pumps, water hammer pumps, acid eggs, etc.