Rotameters – Glass Tube Variable Area Flowmeters from stock

Glass Tube VA Flowmeter –  (Rotameter Type)

A range of traditional panel mounting flow meters with In-Line or rear facing connections. We stock a comprehensive range Standard scales for Air, Water and common gases. Also available on special order are Custom scales for alternative liquids and gases and gas mixes. Options include Adjustable alarms,and integral needle valve. End connections are available in Nickel Plated Brass or St. Steel material.



  • Gas ranges 5cc/min – 100 l/min (Air equiv)
  • Liquid ranges 2cc/min – 4.4 l/min (H2O equiv)
  • Scale length 30 and 100mm
  • Accuracy Class 2.5 VDI/VDE
  • Temp Range -15 to 120 oC
  • Pressure 20 barg max – non shock
  • Connections ¼” BSPF In line or rear facing
  • Conn Mat’l Nickel Plated Brass or St Steel
  • Seals Viton
  • Tube Borosilicate Glass
  • Float St Steel, Anodised Aluminium or Acetal


  • Needle Valve Integral Valve with rear facing connections
  • Alarm Infra-red sensor with relay PSU module

View Product Specifications – PDF