Product Code
2028R/4S07
PWM Expansion Valve VLT R23
1/2"x5/8"ODS Seat 07
PS = 45 bar
Product use
Accessories for use with the following ASHRAE 34:2019 refrigerants, Class A1:
HCFC (R22)
HFC (R134a, R404A, R407C, R410A, R507)
HFO (R1234ze)
HFO + HFC (R448A, R449A, R450A, R452A, R513A,
R515A, R515B)


These valves are only sold in the model without the coil (S suffix), with 9 nozzles assembled for an increasing output from 1 to 22 kW with R410A.
Product Details
Orifice type
07
Connections In Ø [in.]
1/2"
Connections In Ø [mm]
-
Out Ø [in.]
5/8"
Out Ø [mm]
-
Kv [m³/h]
0,2
Rated capacity R23 (1) [kW]
21,4
PS [bar]
45
TS [°C] min.
-80
TS [°C] max.
+60
Package pcs.
17
Notes where expressly stated
(1) Rated capacities are based on:
- Evaporating temperature Tevap = - 30 °C
- Condensing temperature Tcond= - 4 °C
- Refrigerant liquid temperature ahead of valve Tliq = - 8 °C