Industrial Flow Measuring Instruments for Accurate Process Control
Flow Industries manufactures a complete range of flow measuring instruments used for accurate flow measurement and visual indication of liquids and gases in industrial pipelines. Our flow instruments are widely used in chemical, petrochemical, pharmaceutical, power, water treatment, and process industries across Gujarat and India.Designed for reliability and long service life, our instruments perform consistently under varying pressure, temperature, and operating conditions.
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Flow Measuring Products Designed
For You
Flow Industries rotameters are designed for measuring flow rates of liquids and gases using the variable area principle. They provide direct and accurate visual flow indication and are suitable for a wide range of industrial applications.
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FLOW INDICATORS
Flow indicators are used for visual confirmation of flow presence in pipelines without external power. They are ideal for monitoring cooling water, lubrication lines, and process flow paths.
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ORIFICE FLANGE ASSEMBLIES
Orifice flange assemblies are used for differential pressure-based flow measurement in pipelines. Manufactured as per applicable standards, they provide reliable and economical flow measurement for high-pressure applications.
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Rotameters
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Metal Tube Rotameter
Suitable for measuring flow rate for translucent opaque liquid, gases under high temp. & pressure
Material of Const:
C.S.//S.S..304/S.S.316/PP/PVC/Teflon Linned
Line size: 15mm NB to 200mmNB
Flow range: 100 to 100,000 LPH of water at ambient temp.30 to 7000 NM/Hr ofr air at NPT
Accuracy: ±1 % full scale reading
Accessories: Steam jacketing, High low flow alarms, 4-20mA transmitter out put, Digital Indicator, Totaliser.

By-Pass Rotameter
Suitable for high range of fluid in pipe line between 2′” or above upto 300 mm NB. Where on line rotameter cant be used.It consist of one orifice plate to be mounted in the pipe line between two flange. one more integral orifice with two inlet & outlet & one by pass Rotameter is provided to read, direct flow.
Material of wetted part: M.S/C.S./S.S..304/S.S.316
Line size: 25 to 10000M’/ HR of water
Flow range: 10 to 20,000 LPH of water
Accuracy: ±1.5 % full scale reading
Accessories: Isolation valve, High low flow alarms, With 4-20mA two wire transmitter, Digital Indicator, Totalise

Glass Tube Rotameter
Designed on variable area basis using tappered borosilicate galss tube pressure rating at 10kg/cm2 temp at 150°C.
Material of wetted part: C.S./S.S..304/S.S.316/PP/PVC/Teflon
Line size: 15mm NB to 100NB
Flow range: 10 to 20,000 LPH of water
Accuracy: ±1 % full scale reading
Accessories: Screwed/Flanged/House connection

Low Flow Rotameter
Suitable for measurement of low flow rate of liquid ogases.
Fittings: Top / Bottom / Rea/as per requirement in S.S screwed nozzle or hosepipe connection are offered on request.
Material of Const: Borosilicate glass tube fitted in S.S.304/ wetted parts S.S.316, Fabricated with clear & unbreakable perspex plastic body, scales are directly engraved on tapered position
Flow range: Between 0.5 to 150 LPH of water of ambient temp 15 to 4000 LPH of air at NTP
Accuracy: ±2 % full scale reading
Accessories: Built in Needle valve, D.P. Regulator, High & Low Flow Alarms
FLOW INDICATORS
Flow indicators are used for visual confirmation of flow presence in pipelines without external power. They are ideal for monitoring cooling water, lubrication lines, and process flow paths.
Types Offered
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Sight Flow Indicator
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Full View Side Flow Indicator
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Double Window Drip Type Flow Indicator
Key Features
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Instant flow visibility
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Rugged industrial construction
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Minimal pressure drop
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FAQs
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