4-Way Reversing Valve DRVB Series

DRVB series change the flow path of refrigerants by controlling the action of a small DSF valve to switch the mode between cooling and heating.

Technical Data

  • Applicable Refrigerants: R134a, R407C, R404A, and R410A
  • Max. Operating Pressure: 4.2 MPa
  • Max. Operating Pressure Differential: 3.1 MPa
  • Min. Operating Pressure Differential: 0.3~0.4 MPa
  • Medium Temperature: -30°C~ +130°C
  • Ambient Temperature: -20°C ~ +55°C
  • Relative Humidity: ≤95% RH
  • Allowable Voltage Fluctuation: 85%~110%
  • Standard Coil: AC 220


  • X-cross design ensures big flow area and low pressure drop;
  • Stability and reliability ensured by adopting a small 4-way valve as the pilot valve;
  • Built–in self-lubricating bush;
  • Special material of seal ring ensures the valve's applicability to all common refrigerants;
  • For flange connection, please contact us.