Operating Manual
As the rotors continue to rotate the product is
transferred around the outside of the rotorcase
to the discharge side.
The rotors lobes go into mesh and the product
is discharged from the pump.
Pump with Drive Unit
Coupling Guard
(Houses Coupling)
Drive Unit
Pump
Rotorcase
Ports
Product Seal Area
Gearbox
Front
Cover
Drive
Shaft
3.0 Description of Pump or Pump Unit
Bareshaft Pump
3.1 General Pump Description
The pump supplied is a positive displacement
pump, which may be supplied with or without a
drive unit (see below). The drawing below
indicates various parts of the pump.
3.2 Principle of Operation
The rotors are timed such that when they rotate
no contact occurs. The direction of flow is
reversed by changing the direction of rotation
of the pump drive shaft. The pumping principle
is as follows :
The rotors have just come out of mesh creating
a reduction in pressure in the chamber which is
then filled with product.
The product is contained in the rotorcase
chamber.
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