DUNGS Gas Valves MB-ZRDLE 407 – 412 B07

The DUNGS GasMultiBloc® integrates filter, regulator, valves and pressure switches in one compact fitting.

  • Dirt trap: Fine-mesh sieve
  • One regulator, two main valves and one bypass valve: B07
  • (2) single-stage valves, (1) two-stage valve
  • Two valves are fast opening, one valve is slow opening
  • Solenoid valves up to 360 mbar (36 kPa) as per DIN EN 161 Class A Group 2
  • Sensitive setting of output pressure by proportional regulator as per DIN EN 88 Class A Group 2
  • High flow rates with low pressure drop
  • DC solenoid drive interference degree N
  • Main volume restrictor at valve V2, bypass restrictor at valve V3
  • Hydraulic opening delay
  • Flange connections with pipe threads as per ISO 7/1
  • Simple mounting, compact, light-weight

The modular system permits individual solutions by using an internal bypass valve in connection with separately controlled valves, by adding a valve proving system, mini/maxi pressure switches, pressure limiters, limit switches at valve V2. The modular system permits individual solutions in gas safety and regulator engineering. Suitable for gases of families 1, 2, 3 and other neutral gaseous media.

DUNGS GasMultiBloc® Combined regulator and safety shut-off valves (integrated bypass valve) Two-stage function :

Model TypePressure RangeDN / Rp
MB-ZRD 407 B07S22 / S52Rp 1/2 ,3/4
MB-ZRD(LE) 407 B07S22 / S52Rp 1/2 ,3/4
MB-ZRD 410 B07S22 / S52Rp3/4,1,1-1/4
MB-ZRD(LE) 410 B07S22 / S52Rp3/4,1,1-1/4
MB-ZRD 412 B07S22 / S52Rp3/4,1,1-1/4
MB-ZRD(LE) 412 B07S22 / S52Rp3/4,1,1-1/4

*Pressure range

  • S22 = 4mbar to 20mbar
  • S52 = 20mbar to 50mbar

* * For other configuration, spare-part or products details, please consult JATI