When these valves reach a certain precalibrated vacuum degree, they introduce atmospheric air into the circuit to prevent the increase of the set value and keep it constant.
Application:
They are used as safety valves on non-commissioned tanks or containers at high vacuum level and on vacuum cup lifting systems.
Media: compressed air or non-corrosive gases
Adjustment V04: by rotating the knurled bush in both directions
Adjustment V05: by knurled head screw or adjusting knob on spindle with fine thread
Mounting position: any
Temperature range -20 °C to 80 °C / -4 °F to 176 °F
Body: nickel-plated brass
Inner valve: spring steel and brass
Elastomer: NBR/Buna-N