Glass Tube Variable Area Flowmeter – (Rotameter Type) ExStock

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, 2 wire, 4 – 20mA transmitters 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
  • NEW  2- wire 4-20mA Transmitter (Click) (See digital panel meters for indication options.)

View Product Specifications – PDF