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General introduction

When the gears installed on shaft rotate, the suction chamber volume is increased to suck fluid, and discharge chamber volume is decreased to deliver fluid with casing, meshing gears and covers. It is typically used for viscosity fluid pumping such as clean fuel oil, lube oil, resin, bitumen, paint, or edible oil. Achieved best efficiency in China for internal gear pump due to technology innovation and patents.Normally,gear pump includes internal gear pump and external gear pump, our internal gear pump series as below:

NL series:Heavy duty multi-function NM series:General purpose

NE series:Magnetic drive leak-free NC series:Close-coupled

General introduction

Three-screw pump normally consist of a power rotor, two idler rotors and a rotor liner. The power rotor is engaged with idler rotors, and they form sealed chambers with the rotor housing. When the pump is driven by motor or engine, the medium is absorbed and sealed in the sealed chambers that move continuously towards the outlet along the axial direction when the rotors are rotating, and the medium is discharged at the outlet, so that the liquid transferring is achieved.

SN series:Replaceable liner and mechanical shaft seal

GR series:Integrated casing and liner, shaft is lip seal

General introduction

Twin-screw pump is kind of rotary displacement pump, several sealed chambers are formed in pump casing due to engagement of power rotor and idler rotor and close fits between the rotors and liner when power rotor is driven. These sealed chambers move forward continuously when the idler rotor is rotated by timing gears, that to push the liquid in the sealed chambers to discharge chamber and discharge line, so that the liquid transferring is achieved.

Multiphase screw pump is applicable for oil,gas and water fluids, GVF is up to 99%, diff.pressure is up to 500 psi.

General introduction

Progressive cavity pump is called P.C pump,also single-screw pump.when the rotor is driven by external force, the rotor makes planetary movement inside the stator, that makes the sealed chambers move to the pump outlet at a uniform speed. The rotor with continuous movement produces a continuous sealed cavity chamber, so that the fluid is continuously suctioned from pump inlet and discharged to the outlet of pump, so this realizes the continuous transmission of the medium.

Generally,single-screw pump market demands are more than twin-screw pump and three-screw pump worldwide.

General introduction

The peristaltic hose pump is a kind of positive displacement pump with simple working principle, the pumping purpose is achieved by alternately compressing and relaxing a machined hose between the pump housing and the compressing shoes. The fluid ahead the shoe is pushed towards the discharge while the rebounding hose behind the shoe draws more fluid in. With 100% compression at all times, the pump provides stable metering accuracy and pressure performance. With no pump seals or valves, abrasive or aggressive fluids are safe to be pumped as fluid to contact only the inner wall of the hose.