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Nanjing Aike Screw Pump Co.,Ltd
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Address: Kechuang Lu Jingang Kechuangyuan 3-402, Qixia District, Nanjing City.

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Circulation Oil Pump

Circulation Oil Pump

I. characteristics: The three-screw pump includes 3G 3GR three-screw pump and 3GS three-screw pump, 3GCL three-screw pump, 3GCLS three-screw pump, etc. The three-screw pump is a rotor-type volumetric pump. Due to the intermeshing between the active screw and the spiral groove of the follower...

I. characteristics:
The three-screw pump includes 3G 3GR three-screw pump and 3GS three-screw pump, 3GCL three-screw pump, 3GCLS three-screw pump, etc. The three-screw pump is a rotor-type volumetric pump. Due to the intermeshing between the active screw and the spiral groove of the follower screw and the cooperation between them and the inner surface of the three holes of the bushing, a number of dynamic sealing chambers can be formed between the inlet and outlet of the pump. These dynamic seal chambers will continuously move the liquid from the inlet of the pump to the outlet of the pump, and gradually increase the pressure of the liquid to form a continuous, steady, axial moving pressure liquid.


II. Suitable medium and performance range:
The liquid transported by the three-screw pump is lubricating liquid without solid particles, non-corrosive oil and similar oil, the viscosity of the liquid is 1.2o100 °E ~ (3.0) C ~ (60) C ~ (st), and the high viscosity liquid can also be transported by increasing the temperature and reducing the viscosity.The flow rate ranges from 0.2 to 590 m3 / h, with a maximum working pressure of 100 barand a maximum temperature of 150 ℃.


III. Structure:
1. Simple structure: it has a variety of structural forms, generally small flow rate of 0.2 ~ 6.5m3 / h, pump body and bushing as a whole (collectively called pump body, shaft seal is mechanical seal.

The pump bushing with medium flow rate is fixed by a single part in the pump body. The large flow pump is made into double suction structure horizontal installation. According to the different conveying medium there are two kinds of shaft seal: mechanical seal and packing seal.

Marine pump installation form of horizontal and vertical, the prime mover for AC, DC marine motor.

2. long life: the active screw of the three-screw pump is driven by the motor. There is no mechanical contact between the main rod and the slave rod, while the liquid driven by the conveying pressure drives the rotation from the rod around the axis line. The main, slave rod, screw and bushing are protected by a layer of oil film.As a result, the pump's mechanical friction is minimal, life can be called semi-permanent.

3. The liquid is moving in a uniform axial straight line in the pump, so the pressure pulsation is small, the flow rate is stable, the noise is low, and the starting torque and vibration are very small because of the small inertia of the rotating parts.

4. with high inhalation capacity.

5. In order to ensure the safety of pump, motor and pipeline system, the screw pump with medium flow rate is equipped with safety valve. When the pressure exceeds the set pressure of the safety valve, the high pressure oil will flow back to the inlet of the pump.

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