Selection of gear oil pump

Email: sales01@cxflowmeter.com Whatsapp: 008618049841995

Selection of gear oil pump

Today a customer needs to buy a gear oil pump

We recommended a suitable gear oil pump based on the detailed parameters he provided



Here are the detailed information he provided:

Medium: oil

Viscosity: 15CP

Flow: 16m3/h

Speed: 1740rpm

Temperature: 80℃

Pressure: 0.343mpa

Motor: 440V 60Hz

Fully enclosed fan cooling: 5.5kw 4P 440V 60Hz

Specific gravity: 0.84@61℃

Later our technicians recommended CX-KCB-300 gear oil pump to him

When selecting a gear oil pump, you need to consider several key factors to ensure that the selected pump can meet the specific application 

requirements. Here are some detailed selection steps and considerations:

1. Clarify application requirements

Medium characteristics:

Viscosity: Understand the viscosity range of the medium. Media with different viscosities have an impact on the performance of the pump.

Temperature: Determine the temperature range of the medium. High or low temperature media may require a pump body or seal of special

 materials.

Corrosiveness: Evaluate whether the medium is corrosive to select the appropriate pump body and sealing materials.

Flammability: For flammable and explosive media, an explosion-proof gear oil pump needs to be selected.

Flow and pressure requirements:

Flow: Determine the required flow size according to system requirements, usually in liters/minute (L/min) or cubic meters/hour (m³/h).

Pressure: Determine the required working pressure range of the system, and the pressure capacity of the gear oil pump should be able 

to adapt to the maximum pressure of the system.

2. Material selection

Pump body material:

Select appropriate pump body materials such as cast iron, stainless steel, cast steel, etc. according to factors such as the corrosiveness 

and temperature of the medium.

For non-lubricated, low-viscosity media, it may be necessary to enhance the hardness and wear resistance of the gears, and select suitable

 sleeve materials such as tin bronze.

Sealing material:

Select appropriate sealing forms such as mechanical seals, packing seals, etc. according to the characteristics of the medium and the 

working pressure.

For high-viscosity or corrosive media, it may be necessary to select high-pressure, high-compression mechanical seals.

3. Structure and performance parameters

Gear type:

Different types of gear pumps have different performance characteristics, such as involute gear pumps, circular arc gear pumps, etc.

Select the appropriate gear type according to the medium delivery requirements and system performance requirements.

Speed and power:

The speed should be determined according to the working conditions and system requirements, usually in revolutions per minute (rpm).

The power is closely related to the pump flow, pressure, speed and other parameters, and needs to be selected according to actual needs.

Efficiency and accuracy:

Choosing a high-efficiency pump can reduce energy consumption and heat loss and improve the overall efficiency of the system.

If there are high requirements for the control accuracy of flow and pressure, it is necessary to select a gear oil pump with the corresponding

 accuracy level.

IV. Additional functions and special requirements

Self-priming ability: If the application requires the pump to have self-priming ability, a pump type with this function should be selected.

Explosion-proof requirements: As mentioned above, for occasions where flammable and explosive media are transported, an explosion-proof

 gear oil pump needs to be selected.

Maintenance and care: Consider the convenience of pump maintenance and care, including easily replaceable parts, repairable sealing 

systems, etc.

If you want to buy a gear oil pump and don’t know how to choose one, 

please contact CIXIFM winny: Email: sales01@cxflowmeter.com Whatsapp: 008618049841995