valvario valves
VAA Solenoid valve for air
Solenoid valves for air for staged control of industrial burners in cold-air operating mode.
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Overview
Solenoid valves for air for staged control of industrial burners in cold air operating mode.
Features & Benefits:
Features & Benefits:
- Currentless closed, pu max. 500 mbar, with blue pilot lamp, with flow adjustment
- Size: 1 to 3
- DN: 15 to 65
- Connection: thread or flange
- Quick opening, quick closing, slow opening, quick closing or slow closing
- Mains voltage: 24 V=, 120 V~ or 230 V~
- Electronical connection: terminals or standard plug with socket.
- following versions are available:
- Valves with signal switch and optical position indicator
- Valves with variably adjustable bypass
Specifications
Environmental Conditions
- Ambient Temperature Range
- -20 to +60 deg C (-4 to +140 deg F)
- Enclosure Rating
- IP65
Electrical Specifications
- Voltage Rating
- 230/200/120/100 VAC; 24 VDC
- Switching Frequency
- N: 30/min, L: 2/min, R: 6/min
- Power Consumption
- VAA1: 25W Watt
- VAA2/3: 36 to 40W Watt
- Maintenance Interval
- Annual functional check recommended
Actuation, Valve & Motion Control Specifications
- Valve Type
- Normally closed; opens when powered
- Position Switch Rating
- S: 12-250VAC; G: 12-30VDC
- Position Switch Options
- VAA..S (visual), VAA..G (24VDC)
- Opening Variants
- VAA../N (<1 s), VAA../L (up to 10 s), VAA../R (4 s)
- Closing Time
- VAA../N and VAA../L: <1 seconds
- VAA../R: 4 seconds
Dimensions & Weight
- Maximum Installation Height
- 2000 m AMSL
Alarms, Status & Diagnostics
- LED Indicator
- Blue LED for energized/open
Design, Performance & Noise Management
- Kvs Value
- 6.4 to 43.5 m³/h (model dependent) Kvs
Pressure Specifications
- Inlet Pressure Range
- 500 mbar (7.25 psig)
Fuel, Gas & Media Specifications
- Gas Type
- Clean, dry air only
- No condensate allowed
Processing & Performance Metrics
- Flow Adjustment Range
- 20 to 100% adjustable with visual indicator
- Duty Cycle
- 100%
Connections & Interfaces
- Electrical Connections
- M20 X 1.5 Cable Gland or En 175301-803 Plug
- Connection Type
- Rp Thread, NPT Thread, ISO Flange
Mechanical Design & Adjustment Characteristics
- Bypass Option
- Variable bypass (retrofit) Order No. 74926325
Material Specifications
- Body Material
- Aluminium housing, EPDM seals
Standards & Certifications
- Approvals
- CE, EN 161, UL429, CSA C22.2 No.139-19
Applications & Compatibility
- Applications
- Staged control of industrial burners in cold-air mode
Environmental Conditions
- Ambient Temperature Range
- -20 to +60 deg C (-4 to +140 deg F)
- Enclosure Rating
- IP65
Electrical Specifications
- Voltage Rating
- 230/200/120/100 VAC; 24 VDC
- Switching Frequency
- N: 30/min, L: 2/min, R: 6/min
- Power Consumption
- VAA1: 25W Watt
- VAA2/3: 36 to 40W Watt
- Maintenance Interval
- Annual functional check recommended
Actuation, Valve & Motion Control Specifications
- Valve Type
- Normally closed; opens when powered
- Position Switch Rating
- S: 12-250VAC; G: 12-30VDC
- Position Switch Options
- VAA..S (visual), VAA..G (24VDC)
- Opening Variants
- VAA../N (<1 s), VAA../L (up to 10 s), VAA../R (4 s)
- Closing Time
- VAA../N and VAA../L: <1 seconds
- VAA../R: 4 seconds
Dimensions & Weight
- Maximum Installation Height
- 2000 m AMSL
Alarms, Status & Diagnostics
- LED Indicator
- Blue LED for energized/open
Design, Performance & Noise Management
- Kvs Value
- 6.4 to 43.5 m³/h (model dependent) Kvs
Pressure Specifications
- Inlet Pressure Range
- 500 mbar (7.25 psig)
Fuel, Gas & Media Specifications
- Gas Type
- Clean, dry air only
- No condensate allowed
Processing & Performance Metrics
- Flow Adjustment Range
- 20 to 100% adjustable with visual indicator
- Duty Cycle
- 100%
Connections & Interfaces
- Electrical Connections
- M20 X 1.5 Cable Gland or En 175301-803 Plug
- Connection Type
- Rp Thread, NPT Thread, ISO Flange
Mechanical Design & Adjustment Characteristics
- Bypass Option
- Variable bypass (retrofit) Order No. 74926325
Material Specifications
- Body Material
- Aluminium housing, EPDM seals
Standards & Certifications
- Approvals
- CE, EN 161, UL429, CSA C22.2 No.139-19
Applications & Compatibility
- Applications
- Staged control of industrial burners in cold-air mode
- Ambient Temperature Range : -20 to +60 deg C (-4 to +140 deg F)
- Voltage Rating : 230/200/120/100 VAC; 24 VDC
- Valve Type : Normally closed; opens when powered
- Switching Frequency : N: 30/min, L: 2/min, R: 6/min
- Power Consumption : VAA1: 25W Watt|VAA2/3: 36 to 40W Watt
- Position Switch Rating : S: 12-250VAC; G: 12-30VDC
- Position Switch Options : VAA..S (visual), VAA..G (24VDC)
- Opening Variants : VAA../N (<1 s), VAA../L (up to 10 s), VAA../R (4 s)
- Maximum Installation Height : 2000 m AMSL
- Maintenance Interval : Annual functional check recommended
- LED Indicator : Blue LED for energized/open
- Kvs Value : 6.4 to 43.5 m³/h (model dependent) Kvs
- Inlet Pressure Range : 500 mbar (7.25 psig)
- Gas Type : Clean, dry air only|No condensate allowed
- Flow Adjustment Range : 20 to 100% adjustable with visual indicator
- Enclosure Rating : IP65
- Electrical Connections : M20 X 1.5 Cable Gland or En 175301-803 Plug
- Duty Cycle : 100%
- Connection Type : Rp Thread, NPT Thread, ISO Flange
- Closing Time : VAA../N and VAA../L: <1 seconds|VAA../R: 4 seconds
- Bypass Option : Variable bypass (retrofit) Order No. 74926325
- Body Material : Aluminium housing, EPDM seals
- Approvals : CE, EN 161, UL429, CSA C22.2 No.139-19
- Applications : Staged control of industrial burners in cold-air mode
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