Description
The Dungs VDK is a valve proving system for safety shutoff 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 VDK will halt the start-up sequence and prevent ignition when the VDK detects an open automatic shutoff valve or valve leakage exceeding the detection limit.
Application:
Dungs VDK 200A is recommended for industrial and commercial heating applications. The VDK 200A is the means for proof of closure and normally open vent line alternative. There are 2 Types: S02 (CE Approved and IP40), and S06 (UR, CSA and FM Approved, NEMA 12).
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Approvals:
UR, CSA and FM – for S06 VDK Model
CE Approved – for S02 VDK Model
VPS means Valve Proving System
253734 – VDK 200A S06, VPS pipe mount, 120V
211222 – VDK 200A S02, VPS pipe mount, 230V
211224 – VDK 200A S02, VPS pipe mount, 110V
224098 – VDK Cover
