882.00 EURexcl. VAT · import VAT and duties on delivery
Key specifications
| Diaphragm diameter | 2.8 mm |
|---|---|
| Ambient pressure | 1013 mbar |
| Application | burner control and start-up system |
| Built-in filter | fine-mesh filter at inlet |
| Valve closing force variants | b+ j, b+c, b+b |
| Connection type | flange |
| Control features | electronic two-level regulator |
| Control type | servo drive |
| Design features | positive feedback system |
| Flanged connections | flanges |
| Gas type | heating, natural and liquefied |
| Housing type | standard |
| Ignition regulator exception | s4565/s4585 series regulators |
| Included components | gas valve and ignition regulator |
| Inlet and outlet diameter | 18.6 mm |
| Nominal inlet gas pressure | 25 mbar |
| Operating position | vertical |
| Operating voltage | 24 |
| Output aperture diameter | 2.8 mm |
| Pressure relief valve | present |
| Pressure sensor pipe diameter | 0.5 inch |
| Pressure servo controller | present |
| Regulation of the mixture of gas and air in a ratio of 1 | 1 |
| Standard DBI ignition systems | plug-in rectifier unit |
| Two electrical devices | two electronic devices |
| Valve type | gas solenoid valve |
117.00EUR
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Description
This gas solenoid valve, part of a burner control and start-up system, is designed for heating, natural, and liquefied gas. It features a servo drive, an electronic two-level regulator, and Softlite technology for smooth ignition and 1:1 gas-air ratio control. The valve includes a pressure servo controller, a pressure relief valve, and a built-in fine-mesh inlet filter. With flanged connections of 18.6 mm diameter, it operates at 24 V, a nominal inlet pressure of 25 mbar, and an ambient pressure of 1013 mbar, and is installed vertically.
Further details
| Control Type | pressure control using an innovative servo drive |
|---|---|
| Electrical Connection | special connector or plug-in rectifier unit |
| Functions of the two electronic devices | one for precise control of the main valve, the other for continuous monitoring of its position |
| Ignition Electronics Compatibility | various ignition regulators, except s4565/s4585 series |
| Mounting Feature | holes in lower part for mounting |
| Operating Principle | gas passes through servo controller to open main valve |
| Optional Output Filter | additional output filter can be installed |
| Output pressure stability | stable output pressure even with input pressure changes |
| Pressure measurement method | Output pressure recorded using a highly sensitive sensor connected to a 1/2-inch diameter pipe 10 times the diameter through a short hose with a length equal to 5 pipe diameters |
| Safety Feature | automatic closure of the main gas valve in case of power loss or excess gas pressure |
| Smooth regulation with amplification | smooth and flexible regulation with the ability to adapt to different control methods |
| Softlite Technology | smooth and reliable ignition thanks to the unique softlite technology |
| Two Electrical Devices | two electronic devices: one for precise control of the main valve, one for continuous monitoring of its position |
Choosing and fitting
When selecting a replacement gas valve of this type, confirm that the connection is flanged and measure the inlet/outlet diameter (the valve described here has 18.6 mm, but other sizes exist). Check the operating voltage (24 V is common) and the closing force variant (available as b+j, b+c, b+b). The valve must be installed vertically; a pressure sensor connection of 1/2 inch is used for output pressure monitoring. Also verify compatibility with the ignition regulator, as not all regulator series are supported.
All specifications
| Diaphragm diameter | 2.8 mm |
|---|---|
| Ambient pressure | 1013 mbar |
| Application | burner control and start-up system |
| Built-in filter | fine-mesh filter at inlet |
| Valve closing force variants | b+ j, b+c, b+b |
| Connection type | flange |
| Control features | electronic two-level regulator |
| Control type | servo drive |
| Design features | positive feedback system |
| Flanged connections | flanges |
| Gas type | heating, natural and liquefied |
| Housing type | standard |
| Ignition regulator exception | s4565/s4585 series regulators |
| Included components | gas valve and ignition regulator |
| Inlet and outlet diameter | 18.6 mm |
| Nominal inlet gas pressure | 25 mbar |
| Operating position | vertical |
| Operating voltage | 24 |
| Output aperture diameter | 2.8 mm |
| Pressure relief valve | present |
| Pressure sensor pipe diameter | 0.5 inch |
| Pressure servo controller | present |
| Regulation of the mixture of gas and air in a ratio of 1 | 1 |
| Standard DBI ignition systems | plug-in rectifier unit |
| Two electrical devices | two electronic devices |
| Valve type | gas solenoid valve |
Part numbers
| SKU | VK4105G1229U |
|---|---|
| Additional article | 534.331.108 |
| Model | VK4105G1229 |
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