Production Description:
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.
Feature:
Wide application range
Suitable for cooling capacities from 3.6 to 420kW (R410A, Condition 2)
Several designs available
Specification:
Applicable for all common HCFC and HFC refrigerants such as: R22, R134a, R404A, R407C, R410A, R507
Medium temperature TS min./max.: -30C / +135C (*)
Ambient temperature min./max.: -30C / +50
Relative humidity: 0 to 95% RH
Max. operating pressure PS: 4.5 MPa (45 bar)
Installation position:
Coil upwards or with body axis in horizontal alignment- Flow direction according to installation instruction
Certifications: UL/CSA** and declaration according to LVD or PED
TS min./max.: -30ºC / +120ºC valves, coil selection on request
Parameters:
Model | Nominal Capacity R22(KW) | Port Size (mm) | Connecting Tube Size (O.D.) Inch | Applicable Power R22 HP | |
D tube | ESC tube | ||||
DSF-04 | 4 | Φ8 | 5/16 | 3/8 | 0.75~1.5 |
DSF-09 | 9 | Φ11.1 | 3/8 | 1/2 | 1.5~3.7 |
DSF-11 | 11 | Φ11.5 | 1/2 | 5/8 | 2~4 |
DSF-20 | 20 | Φ15.5 | 1/2 | 3/4 | 4~8 |
DSF-35 | 35 | Φ20 | 3/4 | 7/8 | 6~12 |
DSF-50 | 50 | Φ24 | 7/8 | 11/8 | 5~15 |
DSF-70 | 70 | Φ34.5 | 1 | 1.25 | 17.6~70.4 |
DSF-105 | 105 | Φ34.5 | 1.25 | 1.5 | 26.4~105.5 |
| DSF-140 | 140 | Φ41 | 1.5 | 1.75 | 35.2~141 |
DSF-175 | 175 | Φ46 | 1.5 | 2.13 | 35.2~175.9 |
DSF-210 | 210 | Φ50 | 1.63 | 2.63 | 42.2~211 |
| DSF-280 | 280 | Φ41*2 | 2.63 | 3.13 | 70.4~282 |
DSF-420 | 420 | Φ41*3 | 2.63 | 3.13 | 106~423 |
DSF-560 | 560 | Φ41*4 | 3.13 | 3.13 | 141~563 |
