Data Sheet

Bulletin 71.1:CS400
5
Table 2. Inlet Pressure Ratings and Flow and Sizing Coefcients
TYPE
ORIfICE SIzE
MAXIMUM OPERATING
INLET PRESSURE TO
ObTAIN OPTIMUM
PERfORMANCE
fLOW COEffICIENTS
(WIDE-OPEN)
C
1
IEC SIzING COEffICIENTS
In. mm   C
g
C

X
T
f
L
f
D
CS400,
CS403 and
CS404
3/16
1/4
5/16
3/8
(1)
1/2
5/8
3/4
4.8
6.4
7.9
9.5
(1)
12
16
19
125
125
100
60
40
30
20
8.6
8.6
6.9
4.1
2.8
2.1
1.4
27
50
82
113
182
284
356
0.97
1.77
2.90
3.72
5.61
7.26
9.83
27.7
28.2
28.3
30.4
32.4
39.1
36.2
0.50
0.50
0.50
0.58
0.66
0.97
0.83
0.89
0.91
0.92
0.94
0.89
0.82
0.74
0.72
1. 80 psig / 5.5 bar maximum operating inlet pressure available at special request for setpoints 1 psig / 0.07 bar or greater.
TYPE OUTLET PRESSURE RANGE
PART
NUMbER
SPRING
COLOR
SPRING WIRE DIAMETER SPRING fREE LENGTH
In. mm In. mm
CS400,
CS403
and
CS404
3.5 to 5 in. w.c. 9 to 12 mbar GE30198X012 Red 0.098 2.49 4.18 106
4.5 to 6.5 in. w.c. 11 to 16 mbar GE30195X012 Purple 0.080 2.03 4.32 110
6 to 8 in. w.c. 15 to 20 mbar GE30188X012 Gold 0.108 2.74 4.18 106
7.5 to 11 in. w.c. 19 to 27 mbar GE30189X012 Blue
0.110 2.80 4.40 112
10 to 14 in. w.c. 25 to 35 mbar GE30224X012 Unpainted
12 to 19 in. w.c. 30 to 47 mbar GE30196X012 Green 0.112 2.85 4.70 119
18 in. w.c. to 1 psig 45 to 69 mbar GE30225X012 Orange 0.120 3.05 4.94 125
1 to 2 psig 69 to 138 mbar GE30190X012 Black 0.140 3.56 4.66 118
2 to 5.5 psig 138 to 380 mbar GE30197X012 Yellow 0.172 4.37 4.42 112
Table 3. Outlet Pressure Ranges
CS403 SERIES True-Monitor™
bACkUP ORIfICE DEVICE
Damage/nick on seat X X
Damage to disk X X
Damage or disconnected lever X - - - -
Damage to diaphragm X - - - -
Blocked or broken registration to primary regulator
(1)
X - - - -
1. For external pressure registered units, in order to gain True-Monitor Protection in the case of damaged or broken sense line, it is required that the Primary and Integral Wide-Open
Monitor do not share downstream sense lines.
Table 5. Type CS403 Overpressure Protection Benets Vs. Backup Orice Device
Table 4. Approximate Internal Relief Valve Start-to-Discharge Pressure Above Setpoint
SETPOINT SPRING COLOR SPRING PART NUMbER
START-TO-DISCHARGE PRESSURE RANGE AbOVE SETPOINT
 
7 in. w.c. / 17 mbar Gold GE30188X012 6 to 12 in. w.c. / 15 to 30 mbar 6 to 12 in. w.c. / 15 to 30 mbar
11 in. w.c. / 27 mbar Blue GE30189X012 6 to 12 in. w.c. / 15 to 30 mbar 6 to 12 in. w.c. / 15 to 30 mbar
14 in. w.c. / 35 mbar Unpainted GE30224X012 6 to 12 in. w.c. / 15 to 30 mbar 6 to 12 in. w.c. / 15 to 30 mbar
1 psig / 69 mbar Orange GE30225X012 0.5 to 1.5 psi / 34 to 103 mbar 0.5 to 1 psi / 34 to 69 mbar
2 psig / 138 mbar Black GE30190X012 0.5 to 1.5 psi / 34 to 103 mbar 0.5 to 1 psi / 34 to 69 mbar
5 psig / 345 mbar Yellow GE30197X012 0.5 to 3.3 psi / 34 to 228 mbar 0.5 to 2 psi / 34 to 138 mbar