DELTA Vacuum Valve Series Overview

Precision and Cleanability

• Precise response accuracy with gas-tight construction
• Ball-shaped housing for optimal cleanability
• No shaft guide in product chamber to eliminate contamination risk
• Special internal spray nozzle supports thorough cleaning
• Drip tray prevents splashing and fluid leakage during CIP

Control and Maintenance Features

• Maintenance-free pneumatic seat lift actuator allows remote operation
• Proximity switch mountable for valve position feedback (fully open)

Safety Assurance

• Metal valve shaft
• Elastomer seat seal
• PTFE slide bearings for long-term reliability

Materials and Valve Configurations

Construction Materials

Product-contact components are manufactured from AISI 316L / DIN EN 1.4404 stainless steel for corrosion resistance and hygienic compatibility.

Available Models

• Suspended model (VRAH) — DN 100
• Upright model (VRA) — DN 50, DN 100, DN 150

Actuator Warranty & Reliability

The actuator supplied with this valve is covered by a 5-year actuator warranty, or up to 1 million actuations, whichever comes first. Built with fully welded, sealed, maintenance-free construction, it eliminates internal servicing and reduces wear components to deliver long-term durability in demanding hygienic processing environments.

Key benefits include:

• Maintenance-free operation with no internal servicing
• Fewer spare parts and improved total cost of ownership
• uptime and production continuity

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.