
Bulletin 71.1:CS400
32
Table 28. Type CS400 Relief Table, 5 psig / 345 mbar Setpoint, Internal Registration
ORIfICE SIzE REGULATOR SET PRESSURE
MAXIMUM INLET PRESSURE TO kEEP OUTLET PRESSURE AT/OR bELOW
(1)
In. mm
3/16 4.8
5 345
63 4.3 106 7.3
1/4 6.4 36 2.5 61 4.2
5/16 7.9 31 2.1 53 3.7
3/8 9.5 20 1.4 29 2.0
1. Relief values obtained by blocking regulator open per orice.
Figure 14. Type CS400IR Relief Curves (Blocked per Orice Size) at 5 psig / 345 mbar Set Pressure
5 /
0.3
6 /
0.4
7 /
0.5
0
/
3/16 in. /
4.8 mm
ORIfICE
1/4 in. /
6.4 mm
ORIfICE
5/16 in. /
7.9 mm
ORIfICE
1/2 in. /
13 mm
ORIfICE
5/8 in. /
16 mm
ORIfICE
3/8 in. /
9.5 mm
ORIfICE
3/4 in. /
19 mm
ORIfICE
100 /
6.9
50 /
3.4
10 /
0.69
20 /
1.4
30 /
2.1
40 /
2.8
60 /
4.1
70 /
4.8
80 /
5.5
90 /
6.2
110 /
7.6
120 /
8.3
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