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Valve Proving Systems
VPS (Modular Mount)
Description
The DUNGS VPS 504 S06 is a valve proving system for DMV series safety valves. It checks that both safety valves in a DMV
series gas train are fully closed before either a system startup and/or after system shutdown when wired and interlocked
to a suitable flame safeguard control. The VPS 504 S06 will halt the startup sequence to a burner if it detects an open
.safety shutoff valve, thus preventing ignition under undesirable conditions.
Application
The VPS 504 S06 is recommended for industrial and commercial heating applications. Some authorities having juristiction
accept the VPS 504 S06 in lieu of "proof of closure" when integrated with the pre-ignition system.It can be used in lieu
of a vent valve when it checks the valves at start up and shut down. The VPS 504 S06 is suitable for natural gas, propane,
air and other inert gases. Not suitable for butane gas.
Specifications
MAX VOL. 0,14 CU FT (4 LITERS)
MAX OPERATING PRESSURE 7 PSI
120 VAC, 60 Hz, SPDT Sw 4A @ 120 VAC, NEMA 12
TEMPERATURE RATING: +5 °F TO +140 °F.
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