Product Code
2028EX/M12A609
PWM Expansion Valve
12mm x 16mm ODS Seat 09 - 220/230V
PS = 50 bar
Product use
Solenoid expansion valves with the EX suffix are compliant with the ESR of Directive 2014/34/EU ATEX. This equipment is suitable for use on refrigeration systems located in areas classified as Zone 2 risk of explosion, according to the definition in Annex I of Directive 1999/92/EC.
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 with the ATEX certified coil (A6 suffix), with 9 nozzles assembled for an increasing output from 2 to 36 kW with R290.
Product Details
Orifice type
09
Connections In Ø [in.]
-
Connections In Ø [mm]
12
Out Ø [in.]
-
Out Ø [mm]
16
Kv [m³/h]
0,25
PS [bar]
50
TS [°C] min.
-40
TS [°C] max.
+100
Package pcs.
15
Notes where expressly stated
for rated capacities see table of the orifice assemblies