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Efficiency, even under harsh conditions

The DPNT Standard centrifugal pump is used for supplying water in HVAC applications, as well as for general use.

These highly-efficient pumps are, thanks to the various material options and different sealing options, easily adaptable to the application for which they will be used, which gives them a very long service life, even under harsh conditions.

Working range

  • Max flow: 3500 m³/h
  • Max head: 105 mwc
  • Liquid temperature: -20 – + 110 C
  • Pressure class suction side: DN 50 / DN 400
  • Pressure class discharge side: DN 32 / DN 350

Reliable operation

The Duijvelaar Pumps product range provide reliable and durable solutions. Quality is central in this series of process water pumps. The wide choice of materials results in a pump which is easy to adapt to the application, which guarantees reliability.

Depending on the medium to be pumped, the pump can be made from:


  • cast iron
  • bronze
  • stainless steel

Download documentation

> Go to the download centre

> Contact our specialists

Installation and ease of maintenance

The pump and motor are equipped with a standard connection via a flexible coupling on a common base frame, and the pump has an enlarged "seal chamber".

This makes the pump easy to assemble and maintain.
Furthermore, the pump is extra durable and maintenance-friendly due to the "long life" bearing in the pump. Maintenance is not necessary during the service life of the ball bearing

Efficiency

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The hydraulics of the impellers can be fine-tuned to meet the operating point. This means the pump has very efficient operation. As standard, the pumps are fitted with energy-efficient motors that are suitable for use in combination with a frequency converter in accordance with IEC 60034, which means even higher efficiency can be achieved.


Select the correct pump using the selection software


Download the software here

Applications

  • Hot water applications
  • Cold water processes
  • Air-conditioning and heating systems
  • Drinking water supply through pressure boosting systems and water supply network
  • Water supply in fire-extinguishing systems and sprinkler systems
  • Irrigation
  • Drainage
  • Swimming pool
  • Industry

Technical properties DPNT

  • Single-stage, centrifugal pump with end suction
  • The motors are suitable for use in combination with a frequency converter in accordance with IEC 60034.
  • Main dimensions compatible with standard A of EN 733 (DIN 24255).
  • Single suction with closed impeller and pressure balancing through balancing holes.
  • The pump and motor are equipped with a standard connection via a flexible coupling on a common base frame.


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