Vertical sump pumps resist aggressive media

Keywords: Pumps, Temperature, Abrasives

Pump Engineering Ltd., has recently introduced a new range of robust,vertical sump pumps which they state are designed to withstand aggressive and abrasive media (Plate 2).

Plate 2 Vertical sump pumps resist aggressive media

ASV ET sealless pumps are of single-stage modular centrifugal design, with standard models constructed from either Polypropylene (PP) for operating temperatures of 5° to 80°, or Polyvinylidene fluoride (PVDF) for more demanding application temperatures of -20° up to 100°.

These pumps can reportedly operate at submersion depths ranging from 500mm to 2000mm, in steps of 250mm. However, a special suction extension feature is said to enable submersion depths to be increased by a further 2000mm, depending on the pump size.

Features such as, stainless steel pump shaft with corrosion resistant protection sleeve guided by slide bearings of Carbon/PTFE or Silicon Carbide and an integrated patented relief system to prevent flushing of solids into the slide bearings, combined with the all-round rugged design of the pump, are thought to ensure smooth, vibration free operation and minimal maintenance

A range of options are available to adapt the pump to specific application requirements. These include mounting plates, pressure pipe branches, suction shoe extensions, strainers in case of larger solid particles, external bearing lubrication and dry running capable s~ bearings. Also, depending on operating conditions accessories such as dry-running protection device, level controls and thermoplastic valves can be specified.

Typical applications for ASV ET vertical sumps pumps include transferring aggressive and corrosive fluids in water purification, water/waste water treatment plants, galvanizing/surface treatment, electroplating and finishing industries.

Details available from: Pump Engineering Ltd. Tel: +44 (0)1903 730900; Fax:+44 (0)1903 730234; E-mail: sales@pumpeng.co.uk;Website: http:\\www.pumpeng.co.uk