Brooks GT130x Series Glass Tube Variable Area Flow Meters

Brooks GT130x Series Glass Tube Variable Area Flow Meters

The GT130x Series glass tube VA flow meters are a family of versatile and economical meters designed for general use in applications with moderate metering accuracy requirements — typical accuracy ranges are 1% to 10% full scale, depending on the model selected. They are ideal for purge type service, seal oil systems, bearing lubrication and cooling water indication, and offer o-ring seal construction with ten-to-one rangeability, as well as a wide range of float types and capacity ranges.

The GT130x Seal Series flow meters provide an excellent and modular drop-in replacement for existing Brooks Instrument Full-View® 1100 Series meters: models 1110, 1114, 1140, 1144.

Enquire about this Product


  • Broad range of flow ratings from 0.8 to 25 gpm; 3 to 50 scfm
  • Pressure ratings up to 500 psig / 34 bar
  • Accuracy ranges from 1% to 10% Full Scale
  • Calibrated to process conditions with 75mm, 127mm or high resolution 250mm direct reading scales
  • Sturdy bolted side-plate construction
  • Standard NPT or flanged connections
  • Vertical inlets and outlets standard
  • Glass containment safety sleeve ensures personal safety



  • Cost-effective accuracy combined with long-lasting repeatable measurement
  • Reliable O-ring seal design for leak-free process connections
  • Rugged side-plate construction protects glass tube from piping stress and/or vibration
  • Vertical and/or horizontal NPT or flanged connections enables easy connection with existing process piping
  • Metre inlet and outlet same size; provides positive seal that is easy to maintain
  • Optional needle valve mounted to inlet or outlet for setting the desired flow
  • Optional economical brass fittings for delicate applications (i.e. avoidance of hydrogen embrittlement)



  • Industrial processes
  • Pharmaceutical production
  • Oil and gas pumping and refining processes
  • Chemical manufacturing
  • Burner control
  • Water treatment and distribution systems


This site uses cookies. By continuing your visit, you accept their use as set out in our Cookie Policy. Accept All CookiesCookie Preferences