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Indicating Air Flow Controller - Type FRI-30


 Adjustable indicating air flow controller
Suitable for level air purge control  
 Tamperproof cover General Description

The Type FRI-30 is an adjustable indicating air flow controller consisting of a differential regulator, needle valve and variable area flow meter. It is suitable for level control and air purge applications.

Air flow Converter Fri-30

Functional Symbol

Technical Data
Technical Details
Supply Pressure Up to 100psi (7bar, 700kpa
Fixed Differential Pressure 5 psi (0.3bar,3kpa
Media Air or dry non corrosive gas filtered to 25µm
Working Temperature 0-60°C
Materials Body (Controller) die cast zinc alloy.
Flowmeter Tube: Acrylic
Float: Glass
Diaphragm: fairprene
Valve and Internal Items: Stainless Steel, brass
Mounting Panel, Upright
Pneumatic Connection Inlet 1/4" NPT
Outlet 1/4" OD tube
Finish Natural aluminium and black stove enamel
Weight 600g


All units are individually tested and a certificate is supplied with every unit

Ordering Information


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