FELUWA EcoTrans Multisafe - Hydraulically Activated Double Hose-Diaphragm Pumps

Ready for use

Available at short notice: pump delivery period only 2 weeks.

Flexible

Regulation of volume flow by means of by-pass capacity regulating unit, no additional frequency converter required.

Custom-fit

The space-saving, low-weight pump is available in 3 sizes.

The rotary driving motion of the pump gearbox is converted into a reciprocating action of the crosshead by means of the crank drive. The crosshead is connected to the piston or plunger, respectively. By means of hydraulic fluid the piston actuates a pair of redundant hose-diaphragms, which are arranged one inside the other. They not only enclose the conveyed fluid in a linear flow path, but also provide double hermetic sealing from the hydraulic drive end. The conveyed fluid will neither come in contact with the pump head nor with the hydraulic area.

For general process engineering applications, the hydraulic fluid normally consists of hydraulic oil. As an alternative option, non-compressible fluids with physiologically harmless lubricants are applied, which are compatible with the conveyed fluid. Pumping action is effected by displacement of the inside volume resulting from contraction of the hose-diaphragms. Unlike so-called peristaltic hose pumps with mechanical drive, the hose-diaphragms of the MULTISAFE® pump are not squeezed. In step with the piston stroke, they are only subject to pulsating action, comparable with that of a human vein. Elastic distortion of the hose-diaphragms is path-controlled and effected in a concentric manner due to their inherent construction.

As a result of hydraulic support, the hose-diaphragms are subject to little load even under high working pressures. The service life of hose-diaphragms is considerably extended beyond that of traditional flat diaphragms which reflects in very good MTBF (Mean Time Between Failures) and MTBR (Mean Time Between Repairs) values.