G Series Mono Screw Pump

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Supply Capability:
5000 set/month

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Product Description:

Performance Range:

Maximum pressure:Single stage  0.6MPa
                             Two stage   1.2MPa
                             Three stage 1.8MPa
                             Four stage   2.4MPa
Maximum capacity: 300 m3/h
Maximum temperature: 150°C
Maximum viscosity: 2.7*10^5cst


Low Mechanical Vibration,No pulsation,Quiet operation,High suction ability
Could pumping liquid mixed fibre & solid grain,high viscosity liquid or mixed air liquid.

1. Good self-priming performance

2. Stable flow and minimum pulse shear

3. Wide range in viscosity of conveying medium, even the non-artesian medium. Non sensitive to the liquid


4. Simple structure, high efficiency in operation: long service life, small abrasion,convenient main tenance and

replacing of rotatable parts

5. Operating and flow directions are reversible: multiple mounting forms

6. High utility ratio not easy to trouble.

Conveying Medium:

1. Neutral or corrosive liquid

2. Clean or wearable liquid

3. Non-current viscous liquid

4. Liquid with fiber and high solid content

5. Liquid with gas easy to produce bubble


  • Food industry:  Pumping food liuqid,wine,waste liquid or additive liquid

  • Textile mill:  Pumping fible liquid,dyestuff,printing ink,nylon powder liquid

  • Paper industry:  Pumping back liquor

  • Petro industry:  Pumping oil,grease

  • Chemical industry:  Pumping suspend liquid,emulsion,soda & salt liquid

  • Shipbuilding:  Pumping residue oil,sewage or seawater

  • Building industry:  Pumping slurry,Cement

  • Nuclear industry:  Pump rediocative liquid

  • Metallurgical & Mine:  Pumping oxide or waste water,drain off water,liquid explosive

  • Watertreament:  Pumping slurry,sludge,additive liquid

  • Power plant:  Pumping coal slurry

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Q:What does centrifugal pump mean horizontally?
Centrifugal pump: centrifugal pump is a centrifugal force on the impeller rotates to transport liquid pump. Centrifugal pumps use the impeller to rotate and cause centrifugal motion of the water to work. The pump before starting to pump shell and the water pipe filled with water, and then start the motor, the pump shaft to drive the impeller and water do high-speed rotation, centrifugal water movement, was thrown to the outer edge of the impeller, the pressure water pipeline flow through the volute pump into the pump shell.
Q:What is the main difference between SK water ring vacuum pump and 2BV water ring vacuum pump?
The unified corrosion resistant design of bronze impeller improves the corrosion resistance of the pump, and the stainless steel material is more suitable for more severe applications;
Q:What are the starting and stopping procedures for centrifugal pumps?
Before using the centrifugal pump, the operation instructions of the centrifugal pump shall be read carefully and the specific operation procedures shall be understood so as to make proper use of the centrifugal pump products. The first step is the operation of centrifugal pump inlet valve of centrifugal pump centrifugal pump for all open cavity filled with liquid, close the outlet valve, start the motor, the motor speed is normal, can gradually open the outlet valve, to adjust to the desired condition. Pay attention to self suction centrifugal pump starts to open the exhaust valve, outlet valve should be opened quickly in the normal operation of the motor, to prevent air inlet pipe off caused by cavitation phenomenon produces centrifugal pump, centrifugal pump vibration phenomenon leads to noise of the smoke is not on the water.
Q:Why does the centrifugal pump close the pressure to start?
Therefore, the operation rules of multistage centrifugal pumps require that the inlet valve be opened before opening, and the outlet valve is closed. However, the export valve closed time can not be too long, because at this time the medium in the pump cycle, the medium temperature gradually increased, easy to cause mechanical seals, due to lack of lubrication friction and wear or damage.
Q:What is the function of the heating pump system for the water pump design?
As the feed water temperature is higher, before starting, if not enough to warm the pump, the pump body temperature is uneven, there is a hot, cool phenomenon. The upper part is inflated and the lower part is inflated"
Q:What is the dry running protector of screw pump? What's the principle and function? Thank you
When the temperature reaches a certain value, the signal is transmitted to the electric control box through a dry running protector, and the electric control box is used to stop the screw pump so as to protect the screw pump.
Q:How should the water pump be installed?
(8) check the suitability of the foundation and whether the size of the foundation corresponds to the size of the pump.(9) find the position of positive pump and motor, pump set and anchor bolt and the inlet and outlet flanges, to ensure that the flange torque of the pump conforms to the standard. Check the inlet and outlet piping before alignment. Make sure the weight of the inlet and outlet pipe does not exert force or torque on the pump. When looking for, should also pay attention to eliminate the pump rotor movement, so as to avoid the end gap error. If checked after the pump is working, it should be carried out under cold condition. It is important to draw attention to the fact that the pump set of the complete set of factory is only rough looking (checked with a ruler) when it is shipped. It may cause displacement when it is transported.
Q:The difference between submersible pumps and centrifugal pumpsWhat's the difference between the two? What is applicable and what?
Difference:The installation position is different: one can discharge water, one is on the ground.The work principle is different: the principle of submersible pump is similar to the electric fan, centrifugal pump through centrifugal force to make the water throw out. According to the principle of centrifugal force design,
Q:What are the basic technical parameters of the pump?
Two, pump head H head is the unit weight of the liquid pump pumping from the inlet of the pump (pump inlet flange) to the outlet of the pump (pump outlet flange) energy value. Effective energy is a Newtonian liquid through the pump unit is obtained. The N m/N=m, the height of liquid column pumping liquid. Habits referred to as meters. Three, the pump speed is n RPM pump unit time revolutions, represented by the symbol n, the unit is r/min. four, the pump NPSH NPSH NPSH is also called net positive suction head, said main parameters of cavitation performance. Cavitation has been used a h power of five, the power of the pump. And the efficiency of the pump is usually refers to the input power, which is the prime mover on the pump shaft power, it is also known as the shaft power, denoted by P;
Q:Hydraulic pump displacement refers to the pump shaft what?
You can see the sign of your hydraulic pump. There will be a displacement **ml/r in the sign of the hydraulic pump (r stands for every turn, ML is milliliter)

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