4 WAY REVERSING VALVE- SHF SERIES SHF-20D
SHF series four-way reversing valves are applicable for heat pump systems such as central, unitary and room air conditioners to realize switching between cooling mode and heating mode by changing the flow path of refrigerant.
Features
Wide application range
Suitable for cooling capacities from 1 to 120 tons (R410A, Condition 2) 
Several designs available
General specifications
Applicable for all common HCFC and HFC refrigerants such as: 
R22, R134a, R404A, R407C, R410A, R507
Min./max. ambient temperature: -30°C (-22°F) / +50°C (122°F) or +70°C (158°F) (Depending on used coil)  
PS: 4,5 MPa (45 bar)
TS min./max.: -30°C (-22°F) / +135°C (275°F)
Relative humidity below 95%
Certifications: UL/CSA** and declaration according to LVD or PED