Sanhua R Series Electronic Expansion Valve for CO₂ Systems

Brand :
Sanhua

R series electronic expansion valves meter refrigerant in variable flow CO₂ air-conditioning and refrigeration systems.

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Description

Sanhua R series electronic expansion valves are designed for transcritical and subcritical CO₂ systems where precise refrigerant control is required. They use a direct-operated stepper-motor mechanism to adjust valve opening based on controller signals, providing accurate superheat and capacity control in variable refrigerant flow and CO₂ chillers. The valves are rated for CO₂ refrigerant (R744) with wide medium and ambient temperature ranges and use a 12 V DC, 4‑phase stepper motor with low power consumption.

Key Features

• Designed specifically for CO? refrigerant • Direct-operated stepper-motor mechanism • Accurate electronic superheat control • Suitable for variable refrigerant flow systems • Wide medium and ambient temperature range • Low power 12 V DC drive coil • Compact valve body for OEM integration

Downloads

Sanhua Datasheet Electronic Expansion Valve R Series.pdf

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Specifications

Valve Type
R series EEV
Refrigerant
R744 CO₂
Motor Type
4-phase stepper
Supply Voltage
DC 12 V
Medium temp
-30 to 80°C
Ambient Temp
-30 to 60°C
Flow direction
One way
Application
CO₂ VRF

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