Application areas: automotive thermal management system; main purpose: air conditioning controller (ECU) by sending PWM signal (duty cycle) to the control board, control the rotation of the rotor parts, through the transmission of the silk rod and nut, the rotary movement of the rotor parts into the valve needle along the axial straight line movement, so as to regulate the flow area of the valve port, adjusting the flow of refrigerant.

Technical parameters:

1、Applicable medium ：R134a / R1234yf;

2、Rated capacity: 0.7 Ton to 5Ton;

3, ambient temperature: -40 ° C to 120 ° C ;

4、Operating voltage: 12V/24V;

5, Maximum working differential pressure: > 2.5 MPa @ 9V;

6, external leakage performance < 1.5 g/y@2.0MPa;

7, internal leakage performance: < 300 mL/min (@ 1.0 MPa AP air)

8, communication mode: PWM (duty cycle) control;

9, electrical connector: three-pin / four-pin;

10, stepper motor poles: 20 poles / 24 poles;

11, protection level: IP6K9K.