Home » Kitchen Utensils & Appliances » Gas Burner Parts » Dungs Gas Multibloc MB-ZRDLE 407 B01 S50 (RP 1/2 - RP 2)
Dungs Gas Multibloc MB-ZRDLE 407 B01 S50 (RP 1/2 - RP 2)
₹ 36,500 Get Latest Price
Product Specifications
| Usage/Application | Industrial |
| Model | MB-DLE & MB-ZRDLE 403/405/407/410/412/415/420 |
| Color | Silver |
| Availability | In Stock |
| Connection size | RP 1/2 - RP 2 |
| Connection Size | Rp 1/2" or Rp 3/4" (using threaded flanges) |
| Feature | Specification |
| Fuel Type | Gas |
| Inlet pressure | 360 MBAR |
| Material | Mild Steel |
| Max Operating Pressure | 360 mbar (5.2 PSI) |
| Output Pressure Range | 4 – 20 mbar (S20) or 20 – 50 mbar (S50) |
| Part Type | Burner Controller |
| Protection Rating | IP54 |
| Two-Stage Capability | Yes (Partial and Main volume settings) |
| Valve V1 | Fast opening, fast closing |
| Valve V2 | Slow opening (< 20s), fast closing |
| Voltage | 230V AC (Standard), 120V AC, or 24V DC |
GST No - 24ANPPP5501P1ZH | Member since 2025
CTM CHAR RASTA, 31, YASH VIJAY SOCIETY, NATIONAL HIGHWAY, AMRAIWADI , CTM, Ahmedabad, Gujarat, 380026
Dungs Gas Multibloc MB-ZRDLE 407 B01 S50 (RP 1/2 - RP 2) Read More...
Product Details
The DUNGS MB-ZRDLE 407 B01 is a compact "GasMultiBloc" designed for two-stage burner operation. It is the smallest of the threaded MultiBloc series that supports dual-load (Low Fire/High Fire) functionality. It integrates a filter, a pressure regulator, and two safety shut-off valves into a single housing. 1. Key Technical Specifications Feature Specification Connection Size Rp 1/2" or Rp 3/4" (using threaded flanges) Max Operating Pressure 360 mbar (5.2 PSI) Output Pressure Range 4 – 20 mbar (S20) or 20 – 50 mbar (S50) Valve V1 Fast opening, fast closing Valve V2 Slow opening (< 20s), fast closing Two-Stage Capability Yes (Partial and Main volume settings) Voltage 230V AC (Standard), 120V AC, or 24V DC Protection Rating IP54 2. Functional Adjustments The "ZRDLE" designation means this unit is highly adjustable to ensure a smooth transition between firing rates: Pressure Regulator: The base outlet pressure is set via the adjustment screw on the regulator body (typically under a blue or black plastic cap). Stage 1 (Partial Volume): Located on the Valve 2 solenoid. This sets the gas flow for the "Low Fire" or ignition phase. Stage 2 (Main Volume): The large adjustment screw on top of Valve 2 sets the maximum gas flow for "High Fire." Fast Stroke: Adjusted by the internal screw under the small cap on the hydraulic brake. This allows a quick burst of gas for the initial spark before the slow ramp-up begins. 3. Connection & Flanges The MB 407 does not have threads on the valve body itself. You must use the appropriate flange kit to connect it to your pipe: Rp 1/2" Flange: Part No. 221060 Rp 3/4" Flange: Part No. 221061 4. Comparison: 407 vs. 410/412 Flow Rate: The 407 is designed for smaller boilers/burners (up to approx. 300–400 kW depending on gas type and pressure drop). Physical Size: It is significantly more compact than the 410 or 412, making it ideal for package burners with limited space. 5. Maintenance Checklist Integrated Filter: Contains a 0.8 mm mesh sieve. It is located behind the side cover plate. It should be checked annually; a clogged filter is the most common cause of the burner failing to reach high fire. Hydraulic Brake: If the valve "snaps" open instantly to full volume instead of ramping up slowly, the hydraulic brake has likely failed and the top unit should be replaced. Leak Testing: The MB 407 is pre-drilled to accept a VPS 504 Valve Proving System on the side for automatic leak detection.
CTM CHAR RASTA, 31, YASH VIJAY SOCIETY, NATIONAL HIGHWAY, AMRAIWADI , CTM, Ahmedabad, Gujarat, 380026
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