Dungs VPS 504 S04

Dungs VPS 504 S04
Technical description
The VPS 504 is the valve proving system for DUNGS multiple actuators. The valve proving system complies

VPS 504 Valve proving system for automatic shutoff valves as per EN 161, Class A and Class B
The VPS 504 may be used with any other valve whose tightness in counter-flow direction
excludes by construction a leakage in flow direction.
The VPS 504 is suitable for all DUNGS valves according to EN 161 Classes A and B.