PURGE ROTAMETER ALUMINIUM

Rotameters are the mostly widely used type of variable area (VA) flowmeter.The movement of a float in a tapered tube provides a measure of flow rate.

A Rotameter is designed in accordance with the basic volumetric flow rate equation of

Q=kA√gh

Where Q is the flow rate

K is a constant

A is the annular area

G is the force of gravity &

H is the pressure drop across the float

All the rest being a constant in a given rotameter, the flow rate (Q) is directly proportional to the area (A) so the height of the tube is a measure of the flow rate.

In PLACKA purge rotameter a constant flow differential pressure flow regulator is used to maintain the purge flow late at the desired level. A needle valve is used for convenient setting of the flow rate.

Salient Features

APPLICATIONS

Specifications

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