Variable area flowmeters for liquids and gases. Rate-Master, Visi-Float, and other series for accurate flow measurement in HVAC, chemical, and industrial applications.

Rate-Master® series variable area flowmeters for liquids and gases. Acrylic and glass tube models available.
Visi-Float® series acrylic flowmeters for low-flow liquid and gas measurement.
Series RM variable area flowmeters with stainless steel construction for corrosive media.
Series GFM glass tube gas flowmeters for laboratory and industrial gas flow measurement.
Series PMF purge flowmeters for instrument purge and seal applications.
Series SAF stainless steel armored flowmeters for high-pressure applications.