Охлаждающий фитинг Dunan, электронный клапан расширения для кондиционера (62214540386)

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Price:4,00 $ - 10,00 $


Product Overview



Product Description



  Dunan Refrigeration Fitting Chiller Electronic Valve Expansion For Air Conditioner







  • Applicable for oil-free system (T series)

  • Smaller installation space: low height, small volume, light weight

  • Optimized flow path design for noise reduction

  • Fast operation, Energy saving

  • Applicable for reversible systems like heat pumps: bidirectional flow

General specifications

  • Applicable refrigerants: R22, R134A, R404A, R407C, R410A etc.

  • Cooling Capacity: 3,5 to 105 kW (R22 Nominal Capacity)

  • Medium temperature: -30°C (-22°F) to +70°C (158°F) (duty cycle rate below 50%)

  • Ambient temperature: -30°C (-22°F) to +60°C (140°F) (duty cycle rate below 50%)

  • Relative humidity: below 95% RH

  • Ps: 4.5MPa (45 Bar)

  • Installation position: Coil upwards, valve rotor central axis within +/-15° versus vertical axis

  • 500 steps (full stroke); 32 ± 20 opening steps

Electrical Parameters

  • Rated Voltage: 12V DC(+/- 10%), rectangular wave

  • Actuating mode: 4-phase 8-step permanent magnet stepping motor of direct-acting type

  • Excitation mode: 1 ~ 2 phase excitation, monopole actuation

  • Excitation rate: 30 to 90pps (Maintain excitation in stop position min. 0.1~1.0sec. to activate self-holding mechanism.)

  • Coil current: 260mA/phase (20°C)

  • Coil resistance: 46 +/- 3.7 ?/phase (20°C)

  • Insulation class of coil: E

  • Protection class: IP 66


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Our Services


1.We can customize as customers' requirement,provide ODM/OEM service.

 2.If need do certificate,we can help to do together.

 3.If need photo or video deal with,we can do our best to help .

 4.Support 24 hours online service.

 Following is our certificates.





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