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SMTU pumps are three screw pumps for industrial use at low and medium pressure (1.160 PSI). SMTU pumps represent a reliable and low noise instrument for applications where a long life pump at low cost is required as in home lifts and elevators following the US regulations. SMTU pump is a priming pump assembled into a pump body. The three screws rotate inside the pump body and their design avoids any axial load. The functional pressure develops some tolerance between the balancing piston of the main screw and the surrounding body.

This creates a balancing hydrodynamic force for the screws and, at the same time, lubricates and cools down the sealing parts. The torque needed to move the lateral screws is transmitted hydraulically by the pumped fluid. This means that the screws rotate with no possibility of wearing.

The high quality of screw manufacturing ensures a very low level of acoustic emissions and pulsation.

The geometric design of the three screws creates sealing chambers. During the rotation of the screws, the main one produces a sort of cavity that holds the fluid and drives it with an axial direction from the inlet to the outlet port

Availability: In stock

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01926 811395

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