Leading Technologies and Individual Solutions

Transformer Oil Pumps

Transformers with forced oil cooling systems require reliable, glandless transformer oil pumps. We offer a large range of such pumps, from which customers can choose a type that suits their specific requirements and ensures optimum operating conditions.

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Kelvion Transformer Oil Pumps
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Kelvion Transformer Oil Pumps
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Kelvion Transformer Oil Pumps

Our oil circulation pumps are of simple, straightforward design and robust construction. Due to their compact size, the pumps can be easily integrated into the oil circuit.

Four pump designs are available for different applications:

Power Transformer Applications
Inline and angle-type pumps with radial impellers and inline pumps with propeller-type impellers.

Traction Transformer Applications
Pumps with radial impellers for traction transformers in rail-mounted vehicles.

Advantages
  • Ease of maintenance
  • Wide rage of sleeve bearing and maintenance-free pumps
  • The motor and bearings are fully flushed with transformer oil, which prevents motor overheating and minimizes bearing wear
Get in touch with Kelvion in United States of America Or give us a call +1 800 774 0474
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Power Transformers

Inline pumps with radial impellers – 25, 50, 100, 2AR2 and 2AR4 series for transformers with oil/water or oil/air coolers. The transformer oil flows through an inline mounted pump. A spiral casing serves for pressure buildup. The flowrate can be specifically adapted to the cooling system by varying the impeller diameter. Sleeve bearings are widely available.

Angle-type pumps with radial impellers – W4 series
Where space is restricted, angle-type pumps of the W4 series can be used on transformers with oil/water or oil/air coolers. A radial spiral casing serves for pressure buildup. The bearings and the motor are flushed with a transformer oil side-stream. The flowrate can be specifically adapted to the cooling system by varying the impeller diameter.


Inline pumps with propeller-type impellers – PR series
PR series pumps are used for transformers which are cooled by radiator batteries. The pump operation supports the natural convection during start-up and when ambient temperatures are high. Thanks to the large flow cross section of this pump, the free flow of the transformer oil is not restricted when the pump is switched off. For this reason, there is no need for a bypass when the pump is shut down in part-load operation.

Traction Transformers

Pumps with radial impellers for traction transformers of rail-mounted vehicles – B2 series

Due to their lightweight and compact aluminum construction, the pumps of the B2 series are especially suited for transformers and power converters for rail-mounted vehicles. Pressure buildup takes place in the impeller. The bearings and the motor are flushed with transformer oil. The flowrate can be adapted to meet the operating requirements by varying the impeller diameter.

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