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Progressive Feeder Type PFB

Supplier: Florite Australia

The type PFB progressive feeder divides and distributes the volume of grease fed into it into portions of equal size, which are then discharged to the lubrication points connected.

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A single lubricator can with progressive feeders type PFB serve far more lubrication points than with direct line connections.

A complete feeder comprises at least three dosage units integrated in a solid block with one lubricant inlet,port 1. Each dosage unit has a hydraulically operated piston that divides and discharges the grease fed into it.

The volume discharged is 0,13 cm³ /cycle for each of the two outlet ports 2 of a dosage unit.

The pistons of the discharge units operate in a progressive sequence one after the other.

No piston can start and make its stroke before the preceding piston has completed its stroke.The feeder immediately stops functioning if any piston does not complete its stroke.

When all pistons of the feeder each have made one reciprocating stroke a full cycle has been completed.The necessary feed volume to achieve this is called the cycle volume and is dependent on the size and number of the dosage units.

Each dosage unit has two outlets oppesite to each other .These can be combined to one by removing the plug A in the outlet channel and simultaneously plugging one of the outlet port.The outlet used will then discharge 2 x 0,13 0 0,26 cm³/ cycle.

Two or three neighbouring outlets can also be linked together by means of an external crossporting bar to meet the grease volume required by larger lubrication points.

By monitoring the piston motion of only one dosage unit the function of the whole feeder or of a complete lubrication system can be monitored.

This is achieved by an inductive transducer installed in the place ot the cylinder plug of a dosage unit.The Transducer will signal each full cycle made by the feeder to a control unit or a PLC connected.

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