Electronic Expansion Valve O Series

ref. Electronic Expansion Valve O Series

O series electronic expansion valves are mainly used in variable refrigerant flow (VRF) air conditioning systems to realize automatic adjustment of refrigerant flow rate. Allows optimal system working conditions for the purpose of fast cooling, precise temperature control and power saving. These valves can also be used for other controls. These valves are reversible and can automatically control the flow of refrigerant in either heating or cooling mode.



Air conditioning Commercial Refrigeration Heat Pump

Features

  • High precision: full open pulse 2000
  • Long life
  • Low noise
  • Energy saving

General specifications

  • Applicable refrigerant: R22, R134A, R404A, R407C, R410A etc.
  • Capacity: 1USRT~13.3USRT (R22 Nominal Capacity)
  • Applicable medium temperature: -30ºC (-22ºF) ~ +70ºC (158ºF) (electrified rate below 50%)
  • Applicable ambient temperature: -30ºC (-22ºF) ~ +60ºC (140ºF) (electrified rate below 50%)
  • Relative humidity: below 95% RH
  • Installation mode: Coil upwards, central axis of valve rotor within ±15°vertical to horizontal surface

Electrical Parameters

  • Rated voltage: DC12V (±10%), rectangular wave;
  • Actuating mode: 4-phase 4-step permanent magnet stepping motor of speed reduction type;
  • Excitation mode: 2-2 phase excitation, monopole actuation;
  • Excitation rate: 100PPS~250PPS (opening excitation speed ? closing excitation speed, the ending excitation mode maintains more than 0.1S);
  • Current of coil:80mA/phase(20ºC)
  • Resistance of coil:150±15?/phase(20ºC)
  • Insulation grade of coil: E

Standard Flow Curve

Electronic Expansion Valve O Series . Flow characteristic

Dimensions

Electronic Expansion Valve O Series . Dimensions

Model Dimensions (mm) Note
A B C D E F G H
DPF(O)1.3 43 42.5 8 8 7.94 16 41.2 110 Fig.1
DPF(O)2.0 43 42.5 8 8 7.94 16 41.2 110
DPF(O)2.4 43 42.5 8 8 7.94 16 41.2 110
DPF(O)3.2 43 42.5 8 8 7.94 16 41.2 110
DPF(O)3.2 50 46 10 10 12.8 20 41.2 119 Fig.2
DPF(O)4.0 50 46 10 10 12.8 20 41.2 119
DPF(O)5.2 50 46 10 10 12.8 20 41.2 119
DPF(O)6.4 50 46 10 10 12.8 20 41.2 119
DPF(O)8.0 50 46 10 10 12.8 20 41.2 119