MBC-VEF...: GasMultiBloc®, Multifunctional gas control (USA/CDN)

MBC-VEF...: GasMultiBloc®, Multifunctional gas control (USA/CDN)

MBC-VEF...: GasMultiBloc®, Multifunctional gas control (USA/CDN)

GasMultiBloc®
Combined servo pressure regulator and safety shut-off valves

MBC-... 1000/602(L)
MBC-... 2500/602(L)
MBC-... 4000/602(L)

Technical Description

The DUNGS multifunctional control MBC... integrates filter, two safety shut-off valves and servo pressure regulator with the following functions:

MBC-SE as positive pressure regulator
MBC-SE S02 as zero governor
MBC-VEF as gas / air proportionator
each version also features:

- Dirt trap: Microfilter
- 2 fast opening / fast closing safety shut-off valves up to 5 PSI
- Servo pressure regulator with vent limiting device
- Outlet pressure ranges: SE Version: -0.8 to +120 in. W.C. VEF Versions: +6 to +40 in. W.C.
- Precision regulation of outlet pressure
- Flanged joints with pipe threads to ISO7/1 or NPT
- Easy to install
- Low weight

The modular system design allows integration of valve proving systems, high and low gas pressure switches and other system accessories. The compact design allows for high flow rates at low pressure drop.

Application
The DUNGS MBC is recommended for commercial heating applications that require two safety shutoff valves.
For SE Versions, the servo pressure regulator permits optimal mixing in forced air burners and premix burners in conjunction with mechanical or electronic integrated gas-air regulation units; this applies to modulating and multi-stage floating operating mode.
For VEF Versions, the servo pressure regulator permits optimal mixing for gas / air ratio regulation.


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