Description

AC Compressor Control Valve For Sanden SD6C12 SD7C16

Renault/Peugeot

A control valve in an AC compressor plays a vital role in regulating refrigerant flow and pressure. Located within or attached to the compressor, the control valve ensures optimal performance and cooling efficiency by adjusting the compressor displacement in response to the system’s cooling demands.

This control valve regulates refrigerant flow into the AC compressor’s internal mechanism. In variable displacement compressors (commonly used in modern automotive AC systems), the valve adjusts the swashplate angle, controlling the piston stroke and thereby refrigerant compression.

It is often electronically controlled by the ECU (Engine Control Unit) based on temperature sensors and pressure readings.

The control valve impacts:

Compressor efficiency, System pressure regulation, Fuel consumption (in vehicles), Cabin cooling response time

When the control valve fails, symptoms may include:

- Warm air from the AC vents
- Unstable or fluctuating AC performance
- Increased fuel consumption (in automotive AC systems)
- Compressor clutch not engaging properly
- Common Types of Control Valves
  1. Electronic Control Valve (ECV): Used in modern systems for real-time adjustment.
  2. Mechanical Control Valve: Used in older systems, functioning via pressure differentials.

Ensure compatibility with your compressor model. Please contact us to help choose the correct part for your vehicle.

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