Robertshaw Industrial Products

CR100 Series

The CR100 series ratio relays comprise a group of proportioning units designed for use in industrial pneumatic control systems where the application requires amplifying the volume of control air in a predetermined ratio.

Other Features

  • Fully pneumatic, eliminating any explosion hazard
  • Available in a wide variety of input and output pressures
  • Functions include addition, subtraction, multiplication, biasing and reversing
  • Relay components are made of stainless steel and aluminum
  • Diaphragms are Buna-N, nylon-reinforced

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