Valve element head for radial action pump - has stepped profile which gives linear delivery characteristics

摘要

The centrifugal pump incorporates a pump housing (1,2). It has an impeller (3) and a control part (4) fitted at the inlet opening of the impeller, with an opening which matches the inlet opening of the impeller and forms an axial gap (5) between the impeller and the control part. The control part is a sleeve (4) separate from the pump housing and axially adjustable from outside the pump. USE/ADVANTAGE - Pump for abrasive liq. such as water full of sand which can be adjusted without the need to dismantle the pump.