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VRA / VRAH Series - Vacuum Valves

Product Type(s) : Relief Valves
Description :

Protection of tanks/vessels against vacuum.
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FEATURES

Advantages

  • Precise response accuracy
  • Gas-tight design
  • Maintenance-free pneumatic seat lift actuator for remote function control
  • Optimum cleanability through ball-shaped housing
  • No shaft guide in product chamber
  • Cleaning of the inside of the housing by a special spray nozzle
  • No dripping or splashing of fluids during cleaning due to a drip tray
  • Operating safety is guaranteed by:
    • Metal valve shaft
    • Elastomer seat seal
    • PTFE slide bearings

A proximity switch can be mounted to the seat lift actuator to provide for position feedback, indicating the fully open position, for use during cleaning or as function check. The product-contact surfaces are made of AISI 316L / DIN EN 1.4404 stainless steel. Vacuum valves in the DELTA valve series can be supplied as:

  • Suspended model (VRAH) in DN 100
  • Upright model (VRA) in DN 50, DN 100, DN 150
Key Applications

Field of application

In the brewing, beverage, dairy and food sector, vacuum valves VRA and APV VRAH are used to protect tanks and vessels against vacuum.

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