Internal Gear Pumps

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Internal Gear Pumps

Concentric rotor and eccentric idler form sealed crescent cavities for smooth, pulsation-free, bi-directional flow.

How Does an Internal Gear Pump Work?

Internal Gear pump is also a part of positive displacement pump.

The main pumping elements of internal gear pump are the smaller concentric rotor gear connected to the drive shaft and the idler placed eccentric to the smaller rotor supported by front cover with crescent shaped partition.

When the concentric smaller rotor rotates it engages with idler which creates the cavity which will be filled with fluid and sealed by crescent and when disengaged then sealed cavities get discharge.

This process delivers smooth, pulsation free and allows the internal gear pump to handle a versatile range of fluids.

What Construction Options Are Available in Internal Gear Pumps?

Choose the configuration that fits your requirements:

Available in Horizontal Construction only

Heat jacketing as per Application Requirement

What Are the Key Benefits of Internal Gear Pumps?

Can handle Corrosive fluids

Non-Pulsating Flow

Less vibration and low noise

Bi Directional

Less maintenance

Low life cycle cost

What Media Can Internal Gear Pumps Handle?

Below are Some Pumping Mediums Across Industries


    No media found. Try another name.

    • Chocolate
    • Coatings
    • Emulsions
    • Glucose
    • Glycerine
    • Foams
    • Mineral Oil
    • Polyisobutylene
    • Polyols
    • Natural Extracts
    • Grease
    • Resin
    • Hardener
    • Glycerol
    • Soap Stock
    • Aircraft Fuels
    • Glue
    • Varnish

    Need Help Choosing the Right Pump?

    Tell us about your fluid, flow rate and operating conditions. Our team will help you select the right progressive cavity pump and support you with technical guidance and service.

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