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Nanjing Aike Pump Co.,Ltd
Mob: +86-18061687688
Tel: +86-25-85385831
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Email: 24251717@qq.com
Address: Kechuang Lu Jingang Kechuangyuan 3-402, Qixia District, Nanjing City.

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Pipeline Start-up Pump

Pipeline Start-up Pump

Nanjing Screw Pump Co., Ltd. is the main product of Nanjing Ake Pump Co., Ltd.: three screw pumps, two screw pump G single screw pumps, 2G, 2GRN, 2Gbs series double screw pumps, 3G, 3GR, 3GS, 3GBW, 3GSBW, HSNH, HSND, QSNH, HSP, SPF, HSNJ, SNH, SNJ, SNF, SM, SH series three screw pumps, HW, YW...

Nanjing Screw Pump Co., Ltd. is the main product of Nanjing Ake Pump Co., Ltd.: three screw pumps, two screw pump G single screw pumps, 2G, 2GRN, 2Gbs series double screw pumps, 3G, 3GR, 3GS, 3GBW, 3GSBW, HSNH, HSND, QSNH, HSP, SPF, HSNJ, SNH, SNJ, SNF, SM, SH series three screw pumps, HW, YW series double suction double screw pumps.


3G series three-screw pump

3G\3Gc\3Gr\3GCr25-36
3G\3Gc\3Gr\3GCr25-36
3G\3Gc\3Gr\3GCr25-36
3G\3Gc\3Gr\3GCr36-42
3G\3Gc\3Gr\3GCr36-42
3G\3Gc\3Gr\3GCr50-70
3G\3Gc\3Gr\3GCr50-70
3G\3Gc\3Gr\3GCr85-100
3G\3GC\3GR\3GCR85-100
3GS\3GCS\3GSR\3GCSR100-200
3GS\3GCS\3GSR\3GCSR100-200
3GCG50-110
3GCG50-110
3GCG50-110
3GCG50-110
3GCLS100-160
3GCLS100-160
3GN36-110
3GN36-110
3G25×4C
3GR70×3C
3GR25×4W21
3GR25×6W21
3GR30×4W21
3GR36×4
3GR36×6 A
3GR42×4 A
3GR42×6 A
3GR50×2
3GR50×4A
3GR70×2
3GR70×4
3GR85×2
3GR85×4
3GR100×2
3GR110×2
3GR110×4
3GRS100×2
3GS160D×3
3GS200D×3


Characteristics:
The three-screw pump includes 3 G general-purpose 3 GC marine type and special type.Three-screw pump is a rotor type volumetric pump, due to active

The screw intermeshed with the helical groove on the follower screw and their inner surface with the three holes of the bushing, allowing them to fit between the inlet and outlet of the pump.

A number of dynamic seal chambers are formed that continuously move the liquid from the inlet of the pump to the outlet of the pump and allow it to be transported

The liquid increases the pressure step by step, thus forming a continuous, steady, axial moving pressure liquid.


Applicable medium and performance range:

The liquid delivered by the triple screw pump is all kinds of lubricating liquids containing no solid particles, non-corrosive oils and similar oils.

The body viscosity is 1.2~100 E (3.0~760cst), and the high viscosity liquid can also be transported by heating 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 ℃.


Structure Chart:

1.Pump body
2.Screw
3.Suction cap
4.Upper cover
5.Mechanical Seal
6.Seal cover

1. simple structure: has a variety of structural forms, generally small flow rate of 0.2 to 6.5 m3 / h, pump body and bushing as a whole

The shaft seal is mechanical seal.

The bushing of the pump above the medium flow rate is fixed in the pump body by a separate part, and the large flow pump is made into a horizontal double suction structure.

Installation, shaft seal according to the different transport medium there are two kinds of mechanical seal and packing seal.

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

3G series three-screw pump

2 return

2. long life: the active screw of the three-screw pump is driven by a motor. There is no mechanical contact between the main and slave rods.

Pressure liquid driven rotation from the rod around the axis, the main, slave rod, between the screw and bushing between a layer of oil film protection, because

The pump's mechanical friction is minimal, life can be called semi-permanent.

3. The liquid transfered in the pump has a uniform axial velocity linear motion, so the pressure pulsation is small, the flow rate is stable, the noise is low, and because of the rotation

When the inertia of moving parts is small, the starting moment and vibration are very small.

4. with high inhalation capacity.

5. In order to ensure the safety of pump, motor and pipeline system, screw pump with medium flow rate and above is equipped with safety valve, when pressure

When the set pressure of the relief valve is exceeded, the high pressure oil will flow back to the inlet of the pump.

1.Pump body
2.Bushing
3.Screw
4.Lower cover

5.Upper cover
6.Sealing cover
7.Safety valve


Material

Application range of material combination code pump body bushing

W1 HT200 rare earth copper molybdenum ductile iron can transport low pressure lubricity and proper viscosity of liquid, such as fuel.

W2 HT200 ZL109 can transport lubricity, viscosity suitable liquid, such as lubricating oil at low pressure.

W3 QT450-10 ZL109 is used for special occasions (such as marine pump) with good lubricity and good viscosity.

When liquid, such as lubricating oil, etc.

W4 QT450-10 rare earth copper-molybdenum ductile iron used in special occasions (such as marine pumps) has poor lubricity at low pressure and suitable viscosity.

When liquid, such as fuel, etc.

W21 HT200 ZCuSn5Pb5Zn5 can transport liquids with poor lubricity and low viscosity, such as weight, at higher pressure

Oil, fuel, etc

W23 QT450-10 ZCuSn5Pb5Zn5 is used for special occasions (such as marine pumps) with higher pressure and better lubricity.

Low viscosity liquid, such as heavy oil, fuel, etc.

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