PLAST-O-MATIC Window Sight Flow Indicators
Used for measuring the liquid flow rates, through a closed system, at a maximum line pressure of 200 psi. Feature sensors with switches to initiate the alarm, activate other equipment or shut the system. Integrated with a PVC constructed screen for quantitative readout

Filter

PLAST-O-MATIC -

FIG Series Variable Area Flow Indicators

A

PLAST-O-MATIC -

A

Plast-O-Matic variable area flow indicators are used for measuring the liquid flow rates, through a closed system, at a maximum line pressure of 200 psi.
These flow indicators are incorporated with a PVC-constructed screen for quantitative readout of variable area flow.
They feature corrosion-resistant thermoplastic connections (PVC or CPVC) and EPDM or FKM elastomers.
These Plast-O-Matic flow indicators come with 1/4 or 1/2 Inch FNPT connections.

These devices rely on the difference between two pressures to function (delta-P).
As flow is established through the variable orifice that is created between the spring-biased metering cone and the end cap that the cone rests in, developing delta-P.
The cone can move linearly in relation to the delta-P due to the variable orifice. A follower magnet is rotated by a magnet on the metering cone which moves together with the cone in a chamber next to the fluid cavity.
To deliver gauge readings proportional to flow, the gauge pointer is positioned at the end of the rotary magnet shaft and spins with the magnet.
Between the flow chamber and the rotary chamber, there are no mechanical seals. It is attained by coupling forces between two neighbouring magnets through a solid wall.