Robertshaw Industrial Products

Model 83939

The 83939 logic relays are two-position, three-ported, and three-way. They can be manually or manually/pneumatically actuated. These multi-function, field-selectable logic relays are the basic building blocks for pneumatic logic circuits.

Other Features

  • Available with push button, knob, or lever actuated relay
  • Diaphragm actuators for consistent, predictable transfer points
  • Divert one supply to either one or two control lines
  • Tapped pipe ports permit use of standard industrial tubing fittings

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