Auxiliary Equipments for Control Valves

Pneumatic relay (with manual reset) Model VF03

Model No.
VF03
VF03
Discontinued products

Automatically switches the air supply line based on the balance between the signal air pressure and the spring, which can be set in advance to any position.

  • Equipped with a reset mechanism
  • Compact and lightweight three-way lock-up relay
Structural drawing
VF03
Valve typePneumatic relay (with manual reset)
Model No.VF03
Input signal490kPa {5kgf/cm²} or less
Stroke range20 to 98kPa {0.2 to 1.0kgf/cm²} [MAX.250kPa {2.6kgf/cm²}]
Air supply pressure40 to 80kPa {0.4 to 0.8kgf/cm²}
Ambient temperature-30 to +80°C
FeaturesCombines compact 3-way on/off valve and diaphragm motor with reset mechanism
For specialized on/off switching with both automatic and manual operations
View specs for model VF03

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Related information
VF02
Air lock relay Model VF02
If the air supply device fails and the pressure fluctuates, the signal air pressure supplied to the control valve is automatically maintained at the state just before the pressure fluctuation, and the degree of opening of the control valve is maintained.
VF04
Pneumatic relay Model VF04
Automatically switches the air supply line based on the balance between the signal air pressure and the spring, which can be set in advance to any position.