Pneumatic Relays

GVB snap acting pneumatic relay

• Adjustable pneumatic relay
• Stocked part (GVB11-A-B)
• Repair kits available ex. stock
• Switch or lock in secondary air source when the main supply pressure fails below a predetermined set point.
• In the event of supply or pilot pressure failure, the positive action relay with one common and two inlet or outlet ports will automatically:
  • Switch from main to auxiliary supply pressure
  • Lock an actuator in its last position
  • Extend or retract an actuator stem
  • Divert flow or pressure from one device to another

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