Product Code
2028N/3S04
PWM Expansion Valve
3/8"x1/2"ODS Seat 04
PS = 50 bar
Product use
Accessories for use with the following ASHRAE 34:2019 refrigerants, Class A1, A2L, or A3:
HFC (R134A, R32, R404A, R407C, R410A, R507)
HFO (R1234YF, R1234ZE)
HFO + HFC (R448A, R449A, R450A, R452A, R452B, R454A,
R454B, R454C, R455A, R513A, R515A, R515B)
HC (R290, R600, R600A, R1270)

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
04
Connections In Ø [in.]
3/8"
Connections In Ø [mm]
-
Out Ø [in.]
1/2"
Out Ø [mm]
-
Kv [m³/h]
0,043
PS [bar]
50
TS [°C] min.
-40
TS [°C] max.
+100
Package pcs.
17
Notes where expressly stated
for rated capacities see table of the orifice assemblies