Pumps can halve central vacuum supply energy costs

23 August, 2017

The cooling system is equipped with an electronic thermostatic valve that accurately controls the oil temperature. Consequently, the oil retains its optimum consistency, as any entrainment of water to the oil cycle by condensation is avoided. The cooling system also operates with a speed-controlled fan to minimise energy requirements. The vacuum pumps in the GHS 3800–5400 VSD+ series are available with water or air cooling.

The GHS VSD+ range, which previously offered a maximum flow rate of 1810 m3/h and has now been extended upwards to 5004 m3/h, is specifically designed to reduce maintenance requirements and ensure life-cycle costs are kept low. For instance, there are no rotary vanes to replace and the patented, sturdy screw element does not require maintenance for many years (maintenance of the screw element is recommended at approx. 48,000 operating hours).

In addition, intake filters and oil separators can be replaced without dismantling any piping.

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