VGD40.125
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Overview of Siemens VGD40.125 Double Gas Valve
The Siemens VGD40.125 is a compact double gas valve designed for safe and reliable gas flow control in combustion applications. It features two safety shut-off valves in series with double seats for high flow capacity and secure shutoff performance. The valve body is made from durable aluminium alloy, suitable for use in gas trains with various gases belonging to families I to III.
Key Features
- Double gas valve with two safety shut-off valves in series for enhanced safety.
- Double seats with individual closing springs ensure reliable and tight shutoff.
- High flow capacity with DN125 (5-inch) nominal diameter and 580 m³/h flow rate.
- Flanged connection for secure mounting and easy installation.
- Conforms to EN 161 for gas safety and performance standards.
- Suitable for integration with SKPx5 series electrohydraulic actuators.
- Provides high close-off pressure rating and rapid valve closing for safety.
Technical Specs
| Specification | Details |
|---|---|
| Model | VGD40.125 |
| Valve Type | Double Gas Valve |
| Nominal Diameter | DN125 / 5 inches |
| Flow Rate | 580 m³/h (at Δp = 1 kPa) |
| Connection Type | Flanged |
| Construction Material | AlSi10Mg Aluminium alloy |
| Pressure Rating | PN16 |
| Gas Families | I to III and air |
| Temperature Range | -20°C to 60°C |
| Weight | Approx. 3.2 kg |
Applications / Use Case
This valve is used in gas trains for forced draft gas burners and combustion plants, providing safe gas supply shutoff and control in industrial and commercial heating systems.
Siemens guarantees quality with compliance to safety standards and manufacturer support.
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