Henkel 9000 operation manual 4Theory of Operation, Fig. Rotospray Pump Operating Sequence

4Theory of Operation

The Loctite Series 9000 Rotospray Pump is a pneumatically-operated piston pump. It has a single ball type check valve at the outlet and a flooded inlet. The piston stroke is adjustable to control the amount of product dispensed.

Fig. 2 below shows the sequence of operation:

PISTON RETRACTED, CHECK BALL ON SEAT,

METERING CYLINDER FILLED WITH PRODUCT.

PISTON MOVING FORWARD, CHECK BALL

OFF SEAT, PRODUCT DISPENSED.

PISTON MOVING BACK, CHECK BALL ON SEAT

VACUUM FORMED IN METERING CYLINDER.

PISTON FULLY RETRACTED, CHECK BALL ON SEAT,

METERING CYLINDER IS REFILLED WITH PRODUCT.

PUMP READY FOR ANOTHER DISPENSE.

Fig. 2

Rotospray Pump Operating Sequence

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