Karl Dungs VPS Valve Proving System

Karl Dungs VPS Valve Proving System

  • Max. Operating pressure: 7 PSI
  • Enclosure rating NEMA Type 12


The VPS 504 is a valve proving system for DMV series automatic valves. It verifies that both safety shutoff valves in a gas train are fully closed before a system start-up or after system shutdown when wired and interlocked to a suitable flame safeguard control. The VPS will halt the start-up sequence to a burner if it detects an open automatic shutoff valve, thus preventing ignition under potentially dangerous conditions.

The VPS 504 is recommended for industrial and commercial heating applications.

Technical Documentation

 VPS Valve Proving System Technical Documentation