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Types of Rotameters
We Manufacture
Complete range of variable area flow meters for every industrial application.
Metal Tube Rotameter
Designed for measuring flow rates of opaque liquids, aggressive chemicals and gases under high temperature and high pressure conditions where glass tube construction cannot be used.
Materials of ConstructionCS / SS 304 / SS 316 / PP / PVC / Teflon Lined
Line Size15mm NB to 200mm NB
Flow Range (Liquid)100 to 1,00,000 LPH of water
Flow Range (Gas)30 to 7,000 NM³/Hr of air at NTP
Accuracy±1% Full Scale Reading
Connection TypeFlanged / Screwed
Max PressureUp to 50 kg/cm²
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Suitable for corrosive and aggressive fluids
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High pressure & high temperature capable
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Optional 4–20mA transmitter output
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Steam jacketing available for viscous fluids
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High / Low flow alarms as accessory
Key Specifications Overview
0.5 LPH
Minimum Flow Range
1,00,000 LPH
Maximum Flow Range
±1%
Accuracy (Metal Tube)
200mm NB
Max Line Size
50 kg/cm²
Max Pressure Rating
SS 316
Corrosion Resistant MOC
4–20mA
Transmitter Output
ISO 9001
Quality Certification
Where Our Rotameters Are Used
Chemical & Petrochemical
Acid dosing, solvent flow monitoring, reactor feed measurement, chemical transfer lines.
Pharmaceutical
Purified water systems, CIP/SIP lines, API dosing, sterile process monitoring.
Oil & Gas
Fuel gas measurement, cooling water, lube oil lines, refinery utility services.
Water Treatment
Chemical dosing systems, filtration monitoring, disinfection flow control.
Power Plants
DM water, cooling water, condensate lines, boiler feed monitoring.
Distilleries
Alcohol flow measurement, fermentation process, utility water lines.
Why Choose Our Rotameters
ISO 9001:2015 Certified Manufacturing
Every rotameter manufactured under a certified quality management system with controlled documentation and in-house inspection.
Complete Range Under One Roof
Metal tube, glass tube, by-pass and low flow variants — all designed and manufactured in-house at our Ankleshwar plant.
Custom Engineering Available
Special materials, exotic MOC, non-standard connections, hazardous area requirements — we engineer to your specification.
In-House Pressure Testing
Every unit pressure and functionally tested before dispatch. Full material traceability documentation available.
Trusted by 100+ Industries
Sun Pharma, Pidilite, Hindalco, Essar, Asian Paints and many more rely on Flow Industries instrumentation.
Competitive Pricing & Fast Delivery
Streamlined manufacturing and supply chain enables competitive pricing with dependable lead times for industrial projects.
FAQs
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Request a Quote for
Your Application
Share your process conditions and we will recommend the right rotameter model with competitive pricing and fast lead times.
✓ ISO 9001:2015 Certified
📞+91 98244 66603
📞+91 98245 66603
✉️info@flowindustriesindia.com
🕒 Mon–Sat: 9:00 AM – 6:00 PM IST
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