APV expands pump range

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Related tags: Pump

APV, part of Invensys, has launched two new pumps in the UK that
fall within the company's DW range of rotary lobe pumps - each
designed to improve efficiency and productivity.

APV, part of Invensys, has launched two new pumps in the UK that fall within the company's DW range of rotary lobe pumps - each designed to improve efficiency and productivity.

The DW range is designed for economical operation and careful handling of high-viscosity or delicate products. For the two new products, the DW3 and DW4, the company claims that the displacement has been greatly increased. The DW3 has a displacement of 50 litres/100 revs at a pressure of 5,0 Bar, and the DW 4 displacement of 125 litres/100 revs at a pressure of 5,0.

The DW pump range is usually selected for its ability to successfully handle delicate products. APV claims that its gentle pumping action ensures minimum damage to particles. Equally important is its flexibility; thermal jackets can be fitted as an option to facilitate the heating or cooling of the pump chamber prior to product entry. This prevents minor temperature changes, which can cause severe damage to sensitive products.

Certified to meet EHEDG and 3A sanitary standards and with all seal materials in accordance with FDA approval, the DW pump was designed for easy maintenance and features a front loaded shaft seal. Irrespective of whether the pump is fitted with the standard single mechanical seal (Silicon Carbide/Carbon) or the optional flush version (Silicon Carbide/Silicone Carbide), all seals are said to be easily changed without having to disconnect the pump housing or pipe work. There is also easy access to other key components, such as the gearbox.

The company says that as the two new pumps are very new to the market, they could not be included in the company's latest pump sizing programme, but it also points out the new D3 is equivalent in its pump action to the existing D4 and that the new D4 is equivalent to the D5. This, APV claims, allows the specification of a smaller pump, together with the associated cost savings.

Further information on the new range of pumps can be garnered from the company website company or representative, or by visiting the company's website​ or Nell Burden​.

Related topics: Processing & Packaging

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