Air Heat Docs

Dual Modular Valves Two Stage Operation with Proof of Closure

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DMV-ZRD/612
DMV-ZRDLE/612

Description The DUNGS Dual Modular Valve (DMV-ZRD(LE)/612) with Proof of closure combines all the features of the DUNGS Dual Modular Valve DMV-ZRD(LE)/6 plus valve 1 incorporates overtravel and a proof of closure switch which is factory mounted and set.

Application The DUNGS DMV-ZRD/612 is recommended for industrial and commercial heating applications where two safety shutoff valves in series that modulate between two firing rates and applications that require overtravel and a proof of closure switch. The (DMV-ZRD(LE)/612 is suitable for natural gas, propane, butane, air and other inert gases.

Specifications

REQUIRES 1", 1 1/4", 1 1/2", 2" NPT OR RP FLANGES

V1 - FAST OPENING AND FAST CLOSING

V2 - FAST OPENING AND FAST CLOSING

MAX OP PRESSURE: 7 PSI.

TEMPERATURE RATING: -20°F TO +150°F

Includes:

1 Conduit Adapter

1 DIN-Connector

Required Accessories:

Two Flanges

PN: 224-253A Closed Position Indicator (CPI)

PN: 217-665 Visual Indicator (VI)