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single-screw pump

Single screw pump is a kind of positive displacement pump, also is called progressive cavity pump, the pump main parts are casing, rotor, stator, reducer, universal joint, inlet chamber, shaft seal etc. When rotor is rotated inside of stator, the sea
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twin-screw pump

Twin-screw pump is kind of positive displacement pump, the main parts are power rotor, idle rotor, casing, liner, shaft seal, pressure relief valve, inlet / outlet flanges, bearings etc. when idle rotor is driven by power rotor the chamber is formed
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Rotary lobe pump

Rotary lobe pump is a kind of positive displacement pumps, the two rotary lobes installed on shafts are driven through timing gears.

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