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Electronic Expansion Valve 4.2Mpa DC12V Normally Closed Copper valve for Refrigeration Inverter air conditioner and heat pumps
Price range: د.إ48.94 through د.إ132.56
- High-concerned chemical: None
- NC or NO: Normally Closed
- Actuator Mode: Without Manual And Instruction
- Structure: control
- Port Size: 6.35mm
- Media: Water
- Material: Brass
- Temperature of Media: Medium Temperature
- Power: Solenoid
- Standard or Nonstandard: Standard
- Pressure: Medium Pressure
- Power Source: DC
- Is Smart Device: No
- Origin: Mainland China
- Certification: CE
- Voltage: DC12V
- Work Pressure: 4.2Mpa
- Refrigerant: R22,R407C,R410A etc
- Enviromental Temperature: -30~+60degree
- Medium Temperature: -30~+70 degree
- Insulation Resistance: More than 100MΩ
- Excitation method: 1-2 phase excitation(30-90 pulse),single polar drive
Electronic Expansion Valve
It is mainly used in refrigeration, air conditioners and heat pumps systems, realize the automatic regulation of refrigerant flow make the system run under the best condition and to achieve rapid refrigeration or heating, accurate control and energy saving, also can be used for suction pipe pressure control and other accasions.
It is mainly used in refrigeration, air conditioners and heat pumps systems, realize the automatic regulation of refrigerant flow make the system run under the best condition and to achieve rapid refrigeration or heating, accurate control and energy saving, also can be used for suction pipe pressure control and other accasions.
Charateristic
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Smaller mounting space : low height, small size, light weight.
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Large valve chamber structure, lower noise
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Quick action, energy saving
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Double-way flow is suitable for reversible systems such as heat pumps
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Good dry frictionresistance, suitable for oil-free systems
General specification
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Applicable refrigerants: R22, R410A,R407C,R32,R134A,R404A,R507C,etc
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Capacity range: 2.7-68kw (R22 nominal capacity)
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Medium temperature: -30℃ to +70℃ （less than 50%）
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Ambient temperature: -30℃ to +60℃ （electricity rate below 50%）
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Relative humidity: below 95% RH
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Fully open pulse: 500; opening valve pulse: 32±20
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Maximum working pressure: 4.3MPa, maximum working pressure difference: 3.5MPa
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Installation: coil up, valve body rotor axis and horizontal plane are vertical, deviation within ±15°
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The inlet pipe is horizontal and the outlet pipe is downward
Electrical parameters
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Rated voltage: 12V DC(±10%),rectangular wave
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Mode of action: 4-phase 8-beat permanent magnet stepper motro, direct motion type
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Excitation mode: 1-2 phase excitation, unipolar drive
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Excitation speed: 30PPS- 90PPS
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The end excitation mode is maintained at 0.1s to 1.0s
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Minimum operation time from fully open to fully closed: 5.8s (920PPS)
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Coil current: 260mA/phased (20℃)
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Coil resistance: 46±3.7Ω/phase (20℃)
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Coil insulation grade: E
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Protection level : IP67
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