Control systems Pressure reducing/surplussing valves
4
Dimensions (approximate) in millimetres
A1 A
A1 A
B
B
Sensing pipe connection ¼ " G pipe thread
Sensing pipe connection ¼ " G pipe thread
C
C
D
D
Size
All pressure ranges
Pressure range (bar)
Pressure range (bar)
0.02 - 0.12
0.1 - 0.5
0.3 - 1.1
0.8 - 2.5 and 2 - 5
4 - 8 and 8 - 12
4.6 61
AA1BCØDCØD C
ØD
C
ØD
C
ØD
DN15 ½"
85 130 76 300 360 300 264
300
200
235
138
235
138
DN20 ¾"
91 150 76 300 360 300 264
300
200
235
138
235
138
DN25 1"
85 160 76 300 360 300 264
300
200
235
138
235
138
DN32 1¼" DN40 1½"
130 180 80 300 360 300 264
300
200
235
138
235
138
145 200 80 300 360 300 264
300
200
235
138
235
138
DN50 2"
185 230 80 300 360 300 264
300
200
235
138
235
138
Weights (approximate) in kg Set Pressure Range (bar)
0.02 - 0.12
0.1 - 0.5
0.3 - 1.1
0.8 - 12
½" - 1"
Screwed
13.5
7.1
6.1
3.1
DN15 - DN25 Flanged
15.3
8.9
7.9
4.9
1¼"- 2"
Screwed
14.4
8.0
7.0
4.0
DN32 - DN50 Flanged
18.4
12.0
11.0
8.0
Kv values Valve size
½" DN15
¾" DN20
1" DN25
1¼" DN32
1½" DN40
2" DN50
Kv at 20% offset
4.0
5.6
6.4
17.6
17.6
17.6
Maximum Kv
5.0
7.0
8.0
22.0
22.0
22.0
To maximise the control accuracy (especially for large load variations) use the Kv values given at 20% offset. For safety valve sizing use the maximum Kv values. Leakage rate £ 0.05% of the maximum Kv value.
TI-P186-01 CTLS Issue 13
Page 5 of 7
SRV461S and SRV463S, SRV461S Food+ and SRV463S Food+ Stainless Steel Direct Acting Pressure Reducing Valves
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