Glass Tube Rotameter (Variable Area Flow Meter)

Description:
Glass Tube Rotameter is a transparent, variable area flow meter designed for precise flow measurement of liquids and gases. The glass tube allows clear visual observation of the float movement, providing continuous, direct flow indication without any external power.

Specifications

• Type: Variable area flow meter (rotameter)
• Tube Material: Borosilicate glass
• Float Material: Stainless steel / Aluminum / PTFE coated
• Flow Medium: Liquids or gases
• Flow Range: Model dependent, typically 0.1 to 500 L/min (liquids)
• Process Connection: Threaded BSP / NPT or Flanged
• Pipe Size (NB / DN): DN10 to DN50 (typical)
• Operating Pressure: Up to 16 bar (depending on model)
• Operating Temperature: Up to 120 °C (model dependent)
• Scale: Graduated scale printed on tube or backing plate
• Mounting: Vertical with upward flow

Applications

• Laboratory and pilot plants
• Cooling water and chemical flow measurement
• HVAC and instrumentation pipelines
• Food, beverage, and pharmaceutical processes
• Educational and demonstration purposes