PIEGA FORATURA
Table 1: General Caracteristics of PWM Expansion Valves
ODS Connections
Catalogue number
[in]
Orice
Size
[mm]
[mm]
IN
2028/3S01
2028/M10S01
2028/3S02
2028/M10S02
2028/3S03
2028/M10S03
2028/3S04
2028/M10S04
2028/3S05
2028/M10S05
2028/3S06
2028/M10S06
2028/4S07
2028/M12S07
OUT
IN
1/2”
-
-
-
-
10
12
3/8”
1/2”
-
-
-
-
10
12
3/8”
1/2”
-
-
-
-
10
12
3/8”
1/2”
-
-
-
-
10
12
3/8”
1/2”
-
-
-
-
10
12
3/8”
1/2”
-
-
-
-
10
12
1/2”
5/8”
-
-
-
-
12
16
Opening Pressure Differential
[bar]
MOPD
AC
0.5
min.
Risk
Category
according
to PED
45
Art. 3.3
max.
-40
PS
[bar]
100
0.017
0.8
DC
TS [°C]
0.010
0.7
Minimum
Working
Time
[s]
Operating
principles
MinOPD
OUT
3/8”
Kv
Factor
[m3/h]
0.023
18
1.1
1.3
0.200
PWM
(Pulse Width
Modulating)
1
0.113
2.3
18
0.065
1.7
0
0.043
14
TABLE 2: General Characteristics of coils
Consumption at 20 °C [mA]
Catalogue Number
9160/RA2
24 A.C.
9160/RA6
220/230 A.C.
9160/RD1
12 D.C.
9160/RD2
Coil Type
Voltage
[V]
Voltage tolerance
Frequecy [Hz]
[%]
24 D.C.
Start
Working
50 [Hz]
HM4
+6 / -10
50
D.C.
50 [Hz]
1490
-
700
162
+10 / -5
-
Connections
-
D.C.
650
-
Protection
Degree
IP65/IP68
9150/R02
9155/R01
-
76
1350
Protection
Degree
IP65
1350
650
Table 3: Orices - Rated capacities in kW
Refrigerant
Orice
Type
Orice
Size
[mm]
R22
R134a
R404A R507
R407C
R410A
9150/R63
01
0.5
1
0.9
0.8
1.1
1.3
9150/R64
02
0.7
1.9
1.7
1.6
2
2.4
9150/R65
03
0.8
2.5
2
1.9
2.4
3
9150/R66
04
1.1
3.9
3.2
2.9
3.8
4.8
9150/R67
05
1.3
6.7
5.6
5.1
6.7
8.4
9150/R68
06
1.7
9.2
7.7
7
9.1
11.4
9150/R69
07
2.3
14.7
12.2
11.3
15.3
18.2
Catalogue number
SOLENOID EXPANSION VALVE PWM SERIES 2028
Rated capacities are based on:
- Evaporating temperature Tevap = + 5 °C
- Condensing temperature Tcond = + 32 °C
- Refrigerant liquid temperature ahead of valve Tliq = + 28 °C
PIEGA FORATURA