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- Application Media: Natural gas, propane, butane, air, and inert gases.
- Pressure Setting Range: 5 to 150 mbar (Adjustable via an integrated scaling wheel).
- Switch Type & Electrical Rating: SPDT (Single Pole Double Throw) | 6A @ 250Vac.
- Protection Class: IP54 (Dust and splash water protection).
- Temperature Limits: Ambient temperature from -15 °C to +70 °C.
- Enclosure Material: Sturdy die-cast aluminum housing with an O-ring flange connection.
- Power-Free Operation: Works as a mechanical single-acting over-pressure switch, meaning it functions without requiring an external auxiliary power supply.
- Fast Response Time: Features short response times during rapid, short-term pressure fluctuations to ensure system safety.
- Direct Component Mounting: Built specifically to be mounted either directly onto the housing of DUNGS GasMultiBloc and DMV double solenoid valves, or by using a direct adapter.
DUNGS GW150A5 Compact Gas Pressure Switch (GW Series).
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- Manufacturer: Dungs
- Model / Part Number: GW150A6
- Adjustable Scale Range: 5 to 150 mbar (millibar).
- Maximum Operating Pressure: 500 mbar (50 kPa).
- Media Compatibility: Suitable for air, flue gases, exhaust gases, hydrogen, and standard fuel gases.
- Housing Material: Durable die-cast aluminum base with a polyamide plastic dial cover.
- Enclosure Rating: IP54 protection against dust and water splashes.
- Electrical Connection: Standard plug-in connection.
- Pressure Connection: Threaded G 1/4" inner thread located on the bottom center of the housing.
- Integrated Testing Feature: Includes a built-in metal test nipple (9 mm diameter) to check system pressure easily.
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- Brand: DUNGS
- Model: LGW 10 A2
- Series: LGW A2
- Monitored condition: Overpressure, underpressure or differential pressure
- Setting range: 1 to 10 mbar
- Maximum operating pressure: 500 mbar (50 kPa)
- Media: Air, flue gas, exhaust gas and non-aggressive gases
- Pressure connection: 4.6 mm hose connection
- Ambient temperature: -15 to +70 °C
- Storage temperature: -30 to +85 °C
- Contact material: Silver
- Switching voltage AC: 24 to 250 V AC
- Nominal current: 10 A AC
- Electrical connection: Screw terminals via M20 × 1.5 cable entry
- Protection rating: IP54
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- Manufacturer: DUNGS
- Model / Part Number: MAG.NR.200
- Voltage Options: Commonly 230 VAC (50–60Hz) or 24 VAC depending on the specific product number.
- Power Consumption: Usually around 25 Watts.
- Duty Cycle (ED): 100%, meaning it is built to stay powered on continuously without overheating.
- Weather Protection: Rated at IP54 or NEMA Type 12, which shields it against dust and splashing water.
- MVD Series: MVD 207/5, MVD 210/5, MVD 507/5, MVD 510/5
- MVDLE Series: MVDLE 207/5, MVDLE 210/5, MVDLE 507/5
- Industrial Distributors: Many regional heating and combustion equipment suppliers stock these under article numbers like Art.Nr. 213795 or PN 240311.
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- Maximum Inlet Pressure: 360 mbar (36 kPa / 5.22 PSI) max operating pressure.
- Outlet Pressure Range: 4 mbar to 20 mbar (0.4 kPa to 2 kPa) adjustable output.
- Connection Size: Rp 3/4 threaded internal diameter inlet/outlet flanges.
- Main Valve Features: Integrated manual main volume restrictor and bypass valve.
- Electrical Standard: Configurable variants typically running at 230 VAC (50-60 Hz) or 110 VAC.
- Enclosure Rating: IP54 dust and splash protection.
- Operating Temperatures: -15°C to +70°C (5°F to 158°F).
- Approvals: Certified under European standards EN 161 (Class A, Group 2 automatic shut-off valves) and EN 88 (pressure regulators).
- Pressure Switch Combinations: Pre-assembled packages with safety cut-out switches can be acquired through Comtherm with Pressure Switch (GW150/GW50).
DUNGS MB-DLE407B01S20 Gas Combination Unit (GasMultiBloc).
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- Part Number (MRN): 226799
- Outlet Pressure Range: 4 – 20 mbar (0.4 – 2.0 kPa)
- Nominal Diameter: DN 40 (Connection size flange dependent)
- Coil Voltage Supply: 230 VAC (50–60 Hz) [110 VAC variants available]
- Power Consumption: 60 VA
- Protection Class: IP54
- Ambient Temperature: -15 °C to +60 °C (Up to +70 °C variant-dependent)
- Closing / Opening Time: Closing: < 1 second / Opening: < 20 seconds
- Default Pressure Switch: GW 50 A5 or GW 150 A5 (depends on standard kit)
- Unit Net Weight: 6.6 kg (14.5 lbs)
DUNGS MB-DLE415B01S20 Gas Valve (GasMultiBloc).
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- Manufacturer: DUNGS
- Model / Part Number: MB-DLE420B01S50
- Connection Size: 2" NPT or Flange (DN50)
- Operation: Single-stage gas control block
- Media Compatibility: Suitable for gases of families 1, 2, 3 (Natural gas, propane, butane) and other neutral gaseous media
- Part Number / SKU: 226805
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- Manufacturer: DUNGS
- Model / Part Number: MB-ZRDLE415B01S20
- Model Type: Two-stage gas valve (ZR) with adjustable slow-opening behavior (-LE) and main volume restrictor (-D).
- Part Number (MRN): 226807 (frequently bundled with a GW 50 A5 pressure switch).
- Connection Size: DN 40 flange (1 ½" BSP thread matching standard gas piping).
- Maximum Inlet Pressure: Up to 360 mbar (36 kPa).
- Outlet Pressure Range: 4 to 20 mbar (0.4 to 2 kPa), which can be adjusted at the regulator.
- Electrical Power: 230 V AC operating voltage at 50–60 Hz.
- Operating Protection: IP 54 rated against dust and moisture splashes.
- Temperature Range: -15 °C to +70 °C (For liquid gas systems, do not use below 0 °C).
- MB-ZR: MultiBloc system featuring a two-stage valve design. This allows the burner to fire at a lower partial flame before stepping up to full heat.
- DLE: Equipped with a main volume restrictor (D) and an adjustable slow-opening hydraulic brake (LE) to prevent gas bursts when starting.
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- Feature / Attribute: Technical Specification
- Manufacturer: Karl Dungs GmbH & Co. KG
- Model / Part Number: SAD1.2 / 229813
- Power Supply: 24 VDC
- Power Consumption: 7 W
- Torque Rating: 1.2 Nm (Newton-meters)
- Ingress Protection: IP40 (Note: Beware of generic web listings claiming IP65, which often mistake industrial burner servos for standard CNC motors)
- Primary Material: Durable, lightweight engineered composite housing
- Air/Fuel Ratio Control: It drives the mechanical positioning of valves to control precisely how much gas, oil, or air enters the burner system.
- Modulation: Unlike basic open/close solenoid valves, the stepper design allows for incremental adjustments to adapt to shifting load demands.
DUNGS SAD1.2 Motorized Actuator (SAD Series).
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- Manufacturer: DUNGS
- Model / Part Number: VPS504S02
- Maximum Operating Pressure: 7 PSI (500 mbar).
- Testing Time: Takes 10 to 26 seconds to complete a check depending on the volume of gas trapped.
- Electrical Connection: Uses a standard 7-pole plug connection.
- Protection Rating: IP 40, meaning it is protected from small tools but not waterproof.
