Humidification products
Steam injection humidifiers
Valve and actuator selection
Kvs
Pneumatic
Actuator selection
Size
DN15
DN15
DN15
DN15
DN20
DN25
DN32
DN40
Valve selection
Inlet pressure 4 bar g
Cast iron
Screwed
Flanged
LE31
LE31
LE31
LE31
LE31
LE31
LE31
LE31
LE33
LE33
LE33
LE33
LE33
LE33
LE33
LE33
PN9120E
PN9120E
PN9120E
PN9120E
PN9120E
PN9220E
PN9220E
PN9220E
EL3501SE
EL3501SE
EL3501SE
EL3501SE
EL3501SE
EL3501SE
EL3501SE
EL3501SE
EL3502SE
EL3502SE
EL3502SE
EL3502SE
EL3502SE
EL3502SE
EL3502SE
EL3502SE
0.2 - 1.0 bar
spring range
230 Vac
VMD
Electric
24 V
VMD
0 – 10 Vdc
24 V
EL3512SE
EL3512SE
EL3512SE
EL3512SE
EL3512SE
EL3512SE
EL3512SE
EL3512SE
0.4
1.0
1.6
4.0
6.3
10.0
16.0
25.0
Note: Please contact Spirax Sarco for other actuators and valves that are available from their range. Should a positioner be required for the
selected pneumatic actuator then please refer to the relevant Technical Information (TI) sheet.
Dimensions (approximate) in millimetres
C
D
E
FØ
G
H
JØ
K
L
M
80 mm max.
50 mm min.
80 mm max.
50 mm min.
P
S
R
Type 20
270
85
208
105
40
165
Type 40
395
120
316
152
48
246
Ø Clearance hole required in duct to install lance
38
54
60
60
M10
M10
Duct wall
B
Clearance hole required
in duct to install lance JØ
L
K
R
C
FØ
H
E
Q
D
M
Y
A
Assembly
Assembly dimensions
Valve size
DN15
DN20
DN25
DN32
DN40
Pneumatic
Dimension B
Actuator type
VMD
Y
345
520
695
965
1 275
1 535
1 845
2 145
2 445
2 755
3 065
3 365
3 675
-
TI-P795-03 CH Issue 8
Dimension A
Type 20
Type 40
Screwed
Flanged
Screwed
Flanged
213
192
-
-
-
300
290
-
-
-
-
340
330
340
270
-
440
405
430
375
345
345
355
383
383
375
375
385
390
390
0 - 10 Vdc
375
375
385
390
390
Pipe connections
N
P
Q
R
S
Lance
Weights and dimension 'Y'
Type 20
Y
Weight kg
338
0.88
513
1.14
688
1.40
958
1.80
1 268
2.26
1 528
2.65
1 838
3.11
2 138
3.65
2 438
4.00
2 748
4.46
3 058
4.92
3 358
5.37
3 688
5.83
Type 20
Type 40
1⁄4"
1⁄4"
1⁄4"
1⁄4"
1⁄2"
3⁄4"
1"
model
1.0
1.5
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
11.0
12.0
Type40
Weight kg
1.54
1.97
2.39
3.03
3.78
4.40
5.15
5.87
6.59
7.34
8.08
8.80
9.55
1"
11⁄2"
T
V
W
X
11⁄2"
Escutcheon plates
Type 20
Type 40
W
115
115
65
5
65
5
17.5
25.5
T
W
V
X
Escutcheon plates
Separator
Type 20 and Type 40 Direct Steam Injection (SI) Humidifiers
-
1.46
3.70
N
N
G
8.1.2
