control valves
VR400/VR800 Series
VR400/VR800 and V473x/V873x Series. Class A Servo Regulated Combination Valves.
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Overview
The VR400/VR800 series class “A” servo regulated combination valves are suitable for the control of gaseous fuels in gas consuming appliances according to international standards. The VR400 Series valves are used for control and regulation of gaseous fuels in gas fired power burners, atmospheric gas boilers, melting furnaces, incinerators and other gas consuming appliances. These combination valves are available in three different versions:
- VR415/VR815 (pipe sizes 1/2”)
- VR420/VR820 (pipe sizes 3/4)
- VR425/VR825 (pipe sizes 1”)
- VR432/VR832 (pipe sizes 1¼”)
- VR434/VR834 (pipe sizes 1¼”)
Specifications
Environmental Conditions
- Ambient Temperature Range
- -15 to +60 deg C (5 to +140 deg F)
- Enclosure Rating
- IP40
Electrical Specifications
- Voltage Rating
- 230 VAC, 50/60 Hz
- 24 VAC, 50/60 Hz
- Power Consumption
- 15.2 to 49 W depending on model and voltage Watt
- Operating Voltage Range
- 85 to 110% of rated voltage
Dimensions & Size Specifications
- Valve Sizes
- DN 15 (1/2 in), DN 20 (3/4 in), DN 25 (1 in), DN 32 (1-1/4 in) Straight Flanged Connections
Actuation, Valve & Motion Control Specifications
- Valve Series
- VR400/VR800
- Valve Indicator LEDs
- DBI: 1 LED; IP: 2 LEDs
- Opening Time
- Dead time max. 1 second; VR434 <0.5 second
- Maximum Leakage
- 40 cm³/h (DN ≤ 25)
- 50 cm³/h (DN 32) at 6 mbar
- Closing Time
- <1 seconds for all valves
Material Specifications
- Strainer Material
- AISI 303 steel, 0.34 mm mesh
- Seal Material
- Hydrocarbon-resistant NBR
- Body Material
- Die-Cast Aluminum Alloy
Storage/Transport Temperatures
- Storage Temperature Range
- -20 to +40 deg C (-4 to +104 deg F)
Overview
- Product Type
- Class A servo‑regulated combination gas valve with dual shut‑off valves
- Models
- VR415, VR420, VR425, VR432, VR434, VR815, VR820, VR825, VR832
Processing & Performance Metrics
- Minimum Regulating Capacity
- 1 to 1.5 m³/h depending on model
- Duty Cycle
- Coils suitable for permanent energization
Pressure Specifications
- Maximum Operating Pressure
- 100 mbar (some models limited to 70 mbar) kilopascal
Installation & Mounting Specifications
- Installation Orientation
- Upright or horizontal; ±90 deg tolerance
Fuel, Gas & Media Specifications
- Fuel Type
- Gaseous fuels (manufactured, Natural, and LP Gas)
Standards & Certifications
- Approvals
- EU (GAR), UKCA, EN 88‑1, EN 126
Applications & Compatibility
- Applications
- Gas‑Fired Power Burners, Atmospheric Boilers, Melting Furnaces, Incinerators, Gas Appliances
Environmental Conditions
- Ambient Temperature Range
- -15 to +60 deg C (5 to +140 deg F)
- Enclosure Rating
- IP40
Electrical Specifications
- Voltage Rating
- 230 VAC, 50/60 Hz
- 24 VAC, 50/60 Hz
- Power Consumption
- 15.2 to 49 W depending on model and voltage Watt
- Operating Voltage Range
- 85 to 110% of rated voltage
Dimensions & Size Specifications
- Valve Sizes
- DN 15 (1/2 in), DN 20 (3/4 in), DN 25 (1 in), DN 32 (1-1/4 in) Straight Flanged Connections
Actuation, Valve & Motion Control Specifications
- Valve Series
- VR400/VR800
- Valve Indicator LEDs
- DBI: 1 LED; IP: 2 LEDs
- Opening Time
- Dead time max. 1 second; VR434 <0.5 second
- Maximum Leakage
- 40 cm³/h (DN ≤ 25)
- 50 cm³/h (DN 32) at 6 mbar
- Closing Time
- <1 seconds for all valves
Material Specifications
- Strainer Material
- AISI 303 steel, 0.34 mm mesh
- Seal Material
- Hydrocarbon-resistant NBR
- Body Material
- Die-Cast Aluminum Alloy
Storage/Transport Temperatures
- Storage Temperature Range
- -20 to +40 deg C (-4 to +104 deg F)
Overview
- Product Type
- Class A servo‑regulated combination gas valve with dual shut‑off valves
- Models
- VR415, VR420, VR425, VR432, VR434, VR815, VR820, VR825, VR832
Processing & Performance Metrics
- Minimum Regulating Capacity
- 1 to 1.5 m³/h depending on model
- Duty Cycle
- Coils suitable for permanent energization
Pressure Specifications
- Maximum Operating Pressure
- 100 mbar (some models limited to 70 mbar) kilopascal
Installation & Mounting Specifications
- Installation Orientation
- Upright or horizontal; ±90 deg tolerance
Fuel, Gas & Media Specifications
- Fuel Type
- Gaseous fuels (manufactured, Natural, and LP Gas)
Standards & Certifications
- Approvals
- EU (GAR), UKCA, EN 88‑1, EN 126
Applications & Compatibility
- Applications
- Gas‑Fired Power Burners, Atmospheric Boilers, Melting Furnaces, Incinerators, Gas Appliances
- Ambient Temperature Range : -15 to +60 deg C (5 to +140 deg F)
- Voltage Rating : 230 VAC, 50/60 Hz|24 VAC, 50/60 Hz
- Valve Sizes : DN 15 (1/2 in), DN 20 (3/4 in), DN 25 (1 in), DN 32 (1-1/4 in) Straight Flanged Connections
- Valve Series : VR400/VR800
- Valve Indicator LEDs : DBI: 1 LED; IP: 2 LEDs
- Strainer Material : AISI 303 steel, 0.34 mm mesh
- Storage Temperature Range : -20 to +40 deg C (-4 to +104 deg F)
- Seal Material : Hydrocarbon-resistant NBR
- Product Type : Class A servo‑regulated combination gas valve with dual shut‑off valves
- Power Consumption : 15.2 to 49 W depending on model and voltage Watt
- Operating Voltage Range : 85 to 110% of rated voltage
- Opening Time : Dead time max. 1 second; VR434 <0.5 second
- Models : VR415, VR420, VR425, VR432, VR434, VR815, VR820, VR825, VR832
- Minimum Regulating Capacity : 1 to 1.5 m³/h depending on model
- Maximum Operating Pressure : 100 mbar (some models limited to 70 mbar) kilopascal
- Maximum Leakage : 40 cm³/h (DN ≤ 25)|50 cm³/h (DN 32) at 6 mbar
- Installation Orientation : Upright or horizontal; ±90 deg tolerance
- Fuel Type : Gaseous fuels (manufactured, Natural, and LP Gas)
- Enclosure Rating : IP40
- Duty Cycle : Coils suitable for permanent energization
- Closing Time : <1 seconds for all valves
- Body Material : Die-Cast Aluminum Alloy
- Approvals : EU (GAR), UKCA, EN 88‑1, EN 126
- Applications : Gas‑Fired Power Burners, Atmospheric Boilers, Melting Furnaces, Incinerators, Gas Appliances
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