best-selling wholesale expansion valve on sale

Features
 A series electronic expansion valve is mainly used for domestic inverter air conditioning system, the refrigerant flow rate by adjusting the size, so that higher overall system efficiency and achieve rapid cooling, precise temperature control, energy saving purposes.
Features
 control of high precision;
 two-way flow;
 Low power consumption;
 flow adjustment range;
 compact structure, small size.
Scope
Suitable refrigerants: R22, R407C, R410A;
maximum working pressure: 4.2MPa;
 The maximum operating pressure difference: 3.5MPa;
 Applicable Refrigerant temperature: -30 °C ~ + 70 °C (energization rate of 50% or less);
 Ambient temperature: -30 °C ~ + 60 °C (energization rate of 50% or less);
 Applicable Relative humidity: 95% RH or less.

Full closure - full pulses                                                             500 pulses
Valve opening pulse number                                                    30 ± 20 (fully closed except for flow valve)
Drive power                                                                                   DC12V ± 10%, a rectangular wave
Drive mode                                                                                    8 shot 4-phase stepper motor 20 pole permanent magnet

Excitation mode                                                                            1-2 phase excitation
Medium flow direction                                                                  Positive and negative Jieke
Life                                                                                                    ≥10 million times
Insulation Class                                                                             E
Coil resistance                                                                              46 ± 3.7Ω (20 °C)
Coil current                                                                                    260mA / phase (20 °C)

best-selling wholesale expansion valve on sale