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Table 8c. North American Overpressure and Underpressure Shut-off UPSO/OPSO Ranges
RegulaToR
Typical
Spring Range
Setpoint
Type
psig
psig
7 in . w .c .
5 .2 to 9 .6 in . w .c .
11 in . w .c .
8 .8 to 15 .7 in . w .c .
CSB704F
14 in . w .c .
12 .8 to 20 .0 in . w .c .
1
24.0 in. w.c. to 1.6 psig
2
1 .5 to 3 .2
3
5
3 .1 to 5 .5
10
7 .4 to 11 .3
7 in . w .c .
5 .2 to 9 .6 in . w .c .
11 in . w .c .
8 .8 to 15 .7 in . w .c .
CSB704
14 in . w .c .
12 .8 to 20 .0 in . w .c .
1
24.0 in. w.c. to 1.6 psig
2
1 .5 to 3 .2
3
CSB724
5
3 .1 to 5 .5
10
7 .4 to 11 .3
15
10 .2 to 17 .3
20
CSB754
15 .2 to 39 .2
30
40
33 .4 to 55 .1
- Gray areas indicate that token relief is not available above 8 psig setpoint.
Table 8d. European Overpressure and Underpressure Shut-off UPSO/OPSO Ranges
Typical
Spring
Setpoint
Range
Type
mbar
mbar
15
13 to 24
20
13 to 24
21
13 to 24
27
22 to 39
CSB704F
30
22 to 39
35
22 to 39
50
42 to 70
60
75
61 to 110
15
13 to 24
20
13 to 24
21
13 to 24
27
CSB704
30
22 to 39
35
50
42 to 70
60
75
61 to 110
100
120
150
105 to 220
160
CSB724
200
300
210 to 380
500
320 to 570
600
510 to 780
750
CSB724F
300
270 to 325
0 .7 to
CSB754 GrDF
1 bar
1.19 bar
0 .7 to
1 bar
1.19 bar
1.2 bar
1 .05 to
1.5 bar
CSB754
2.7 bar
2 bar
2 .3 to
3 bar
3.25 bar
4 bar
3.1 to 4 bar
- Gray areas indicate that token relief is not available above 500 mbar setpoint.
1. Max OPSO setpoint truncated to reflect maximum outlet pressure for spring range.
example: If a non-standard setpoint is needed, see the following example for the proper use of Tables 8a, 8b, 8c and 8d. In this
example, the non-standard regulator setpoint is 140 mbar / 2.0 psig. The minimum factory token relief set pressure is 130% of the
non-standard setpoint. The resulting token relief set pressure is 183 mbar / 2.6 psig. The minimum factory OPSO and UPSO set
pressures are 165% and 50% of the non-standard setpoint, respectively. The resulting minimum settings are: OPSO = 231 mbar /
3.4 psig and UPSO = 70 mbar / 1.0 psig.
Type
Relief Range Shown
Token
(Maximum
as a % of Regulator
Relief Set
operating
Inlet)
psig
min
12 in . w .c .
170
17 in . w .c .
150
21 in . wc
150
VSX8L
(125 psi)
1 .4
140
2 .6
130
3 .8
125
6 .2
125
12 in . w .c .
170
17 in . w .c .
150
21 in . w .c .
150
VSX8L
1 .4
140
(232 psi)
2 .6
130
3 .8
125
6 .2
125
VSX8H
(232 psi)
Relief Range Shown
Type
Token
(Maximum
as a % of Regulator
Relief Set
operating
Setpoint
Inlet)
mbar
min
26
170
34
170
36
170
41
150
VSX8L (8.6 bar)
45
150
53
150
70
140
84
140
98
130
26
170
34
170
36
170
41
150
45
150
53
150
70
140
84
140
98
130
VSX8L (16 bar)
130
130
156
130
195
130
208
130
250
125
375
125
625
125
VSX8L (8.6 bar)
VSX8L (16 bar)
VSX8H (16 bar)
SlaM ShuT DevICe
Required
Difference
Between
Token
Setpoint
Set Range
Relief and
opSo
max
psig
215
3 .2 in . w .c .
3 to 12 in . w .c .
160
4 in . w .c .
4 in . w .c . to
160
4 in . w .c .
1.1 psig
150
6 .4 in . w .c .
10 in . w .c . to
2.3 psig
140
0 .6
140
0 .6
1 .5 to 7 .3
140
0 .7
1 .5 to 7 .3
1 .5 to 7 .3
215
3 .2 in . w .c .
3 to 12 in . w .c .
160
4 in . w .c .
4 in . w .c . to
160
4 in . w .c .
1.1 psig
150
6 .4 in . w .c .
10 in . w .c . to
140
0 .6
2.3 psig
140
0 .6
140
0 .7
1 .5 to 7 .3
1 .5 to 10 .9
7 .3 to 29 .0
SlaM ShuT DevICe
Required
Difference
Between Token
Set Range
Relief and
opSo
max
mbar
215
6
215
6
215
4
160
5
160
10
160
10
158
16
10 to 75
158
16
140
20
25 to 160
215
6
215
6
215
4
160
5
160
10
160
10
158
16
10 to 75
158
16
140
20
140
20
25 to 160
140
40
140
40
140
40
25 to 160
140
50
140
50
100 to 500
140
60
100 to 500
100 to 750
100 to 500
100 to 500
100 to 500
500 to 2000
500 to 2800
CSB700 Series
upSo
opSo
Shut-off (opSo)
Set Range over
upSo
upSo Setpoint
psig
psig
psig
3 in . w .c .
16 to 29 in . w .c .
6 in . w .c .
20 in . w .c . to
9 in . w .c .
1.8 psig
14 in . w .c .
1 .2 to 3 .2
1
2 .6 to 5 .6
2
3 .5 to 8 .2
3
3 .5 to 8 .2
5
3 in . w .c .
18 to 30 in . w .c .
6 in . w .c .
25 in . w .c . to
9 in . w .c .
1.9 psig
14 in . w .c .
1 .2 to 3 .2
1
2
2 .6 to 5 .6
3
3 .5 to 8 .2
5
6 .7 to 13 .5
7
15 .2 to 22 .8
10
15
18 .1 to 33 .4
20
upSo
opSo
Shut-off (opSo)
Set Range over
upSo
upSo Setpoint
mbar
mbar
mbar
7 to 11
30 to 44
8
7 to 11
30 to 44
10
7 to 11
30 to 44
10
7 to 15
32 to 44
14
7 to 30
40 to 72
15
7 to 30
40 to 72
18
48 to 74
25
48 to 74
30
83 to 221
38
7 to 30
40 to 55
8
7 to 30
40 to 55
10
7 to 30
40 to 55
10
7 to 30
40 to 55
14
7 to 30
45 to 76
15
7 to 30
45 to 76
18
50 to 80
25
50 to 80
30
38
50
83 to 221
60
75
83 to 221
80
114 to 261
100
179 to 386
150
241 to 565
250
241 to 565
300
460 to 932
375
179 to 386
200
460 to 932
750
460 to 932
500
600
1050 to 1570
750
1000
1250 to 2300
1500
2100 to 3750
2000
Factory Set
adjusted
opSo
opSo
Range
psig
psig
19 in . w .c .
22 in . w .c .
to 1.2 psig
22 in . w .c .
25 in . w .c .
to 1.3 psig
1 to
1 .1
2.1 psig
1 .7 to 3 .7
2
2 .2 to 4 .2
3 .5
4 .6 to 7 .6
5
5 .6 to 8 .6
7
8 .5 to 13 .2
12
21 in . w .c .
22 in . w .c .
to 1.2 psig
24 in . w .c .
25 in . w .c .
to 1.3 psig
1 .2 to 2 .2
1 .1
1 .7 to 3 .7
2
2 .2 to 4 .2
3 .5
4 .6 to 7 .6
5
5 .6 to 8 .6
7
8 .5 to 13 .2
12
13 .7 to 20 .5
19
25 .2 to 32 .8
25
33 .1 to 48 .4
35
38 .1 to 53 .4
45
Factory Set
adjusted
opSo
opSo Range
mbar
mbar
38 to 52
40
40 to 54
40
40 to 54
40
46 to 58
46
55 to 87
60
58 to 90
70
73 to 99
90
78 to 104
100
121 to 259
130
48 to 63
50
50 to 65
55
50 to 65
55
54 to 69
55
60 to 91
60
63 to 94
70
75 to 105
90
80 to 110
100
121 to 259
130
133 to 271
170
143 to 281
205
158 to 296
250
163 to 301
265
214 to 361
330
329 to 536
450
491 to 815
700
541 to 865
840
835 to 1120
1050
(1)
379 to 586
400
1210 to 1682
1210
960 to 1432
1320
1650 to 2170
1650
1800 to 2320
1900
2250 to 3300
2400
2750 to 3800
3400
4100 to 5000
4400
(1)
7
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