High Performance Rotary Screw Pumps

Rotary Screw Pumps have ex-isted for many years and aremanufactured around theworld. More demanding ser-vice requirements impose chal-lenges on Screw pump manu-factures to provide higher pres-sure or flow capability, betterwear resistance, improved cor-rosion resistance and lowerleakage emissions. Bettermaterials and more precisemachining techniques as wellas engineering innovation haveled to improvements in all first Screw pump built wasprobably of an Archimedesdesign used to lift large vol-umes of water small verticaldistances; they are still manu-factured and used for this ser-vice. Today s three Screw highperformance pump can deliverliquids to pressures above 300 Bar and flows to 750 m3/h withlong term reliability and excel-lent efficiency. Twin screwpumps are available for flowrates to 4000 m3/h, pressuresto 100 Bar and can handle cor-rosive or easily stained materi-als, again at good Screw Pumps , alsoknown as progressive cavitypumps use an elastomeric sta-tor and a flexible joint eccentricrotation metallic Screw .

Rotary screw pumps have ex-isted for many years and are manufactured around the world. More demanding ser-vice requirements impose chal-lenges on screw pump manu-

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  Pumps, Screw, Rotary, Rotary screw pumps

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