VRA / VRAH Series - Vacuum Valves
Product Type(s) : Relief Valves
Description :
WHERE TO BUY
Protection of tanks/vessels against vacuum.
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