Acrylic Body Rotameter

The Acrylic Body Rotameter is a variable area flow meter, which allows direct viewing of the liquid or gas flow rate measurement in low-pressure conditions.

This meter consists of a clear acrylic body having a tapered opening through which the position of the float in the instrument can be seen for determining flow.

Being a reliable low flow meter, it finds applications in the process analyzer sample flow rate monitoring and gas purge control.

The plastic rotameter can be employed in different industries for chemical dosing and water treatments.

• Compact and lightweight design.
• Easy to mount with negligible maintenance.
• Instant flow rate indication using a calibrated scale.
• Suitable for low-flow measurement of liquids and gases.
• Accurate flow control with clear visual indication.
• High-performance variable area flow meter.
• Fine-finish acrylic body for improved visibility.
• Ideal for process analyzers, sample flow monitoring, coolant, lubricant, and dosing applications.

• Fluid: Liquids & Gases
• Density / Specific Gravity: Up to 1.85
• Viscosity: Up to 100 cP
• Design Temperature: Up to 35°C
• Design Pressure: Up to 5 Kg/cm²
• Measuring Range: 0.01 to 70 m³/hr (Liquids), 0.1 to 525 Nm³/hr (Gases)

Vertical Fluid Entry

The Acrylic Body Rotameter is mounted vertically in such a manner that the process fluid enters from below the instrument and moves upwards through the tapered flow path.

Float Movement

As the liquid or gas moves upward, it exerts upward force on the internal float. The float moves up against the effect of gravity and remains at the point where the force of the flow and float weight get balanced.

Measurement by Varying Flow Area

Float moves within the tapered tube whose cross-sectional area increases as it moves up in the tube. The float position determines the flow rate through the increased area.

Direct Visual Reading

The clear acrylic body permits direct observation of the float position, which is measured by the scale present on the body of the rotameter. No additional power source is required for measurement.

Size Configurations

• Line Sizing Range: 1/4″ up to 4″ NB

Material Options

• End Connection Material options: SS 304, SS 304L, SS 316, SS 316L, PTFE, PVC, PP

End Connections

• Standard Pipe Connections: Flanged to ASA, BS, Triclover Standard & Screwed to BSP, NPT

Operating Parameters & Range Limits

• Liquid Capacity Span: 0.01 to 70 M3/HR of Water/Liquid
• Air/Gas Capacity Span: 0.1 to 525 Nm³/hr of Air/Gas
• Maximum Design Temperature: Up to 35°C
• Maximum Design Pressure: Up to 5 Kg/cm²
• Measurement Accuracy: ±2% of FS

Structural Installation Variations

• Flanged Configuration: Layout option featuring an integrated flanged connection built with or without isolation valve modules.
• Vertically Screwed Configuration: In-line layout presenting a vertically screwed connection configured with or without isolation valve components.
• Rear Connection Layout: Process assembly establishing a rear connection design built with or without isolation valve systems.
• Vertical Tri Clover Configuration: Sanitary fitting execution displaying a vertical tri clover connection structured with or without isolation valve arrays.
• Regulator Integration Module: Specialized process tracking package pairing a differential pressure regulator and isolation valve setup.

Versatile Mounting Possibilities: Our rear mount acrylic body rotameter is engineered to make your job easier and helps you save on space as well.

Durable and Reliable Build: Built with optical quality polymer, our acrylic body rotameter ensures high visibility and low breakage rate in contrast to glass flow meters.

High Precision Low Flow Metering: Perfect for process analyzers’ sample flow monitoring, our rotameters ensure detection of any changes in flow rate.

Easy Maintenance and Calibration: The acrylic body rotameter with isolation valve allows simple line isolation for calibration and maintenance processes.