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CS200 Series
TYPE NUMBER
C
S
2
0
ORIFICE SIZE
TYPE
Inch
mm
1/8
3.2
3/16
4.8
CS200
1/4
6.4
3/8
9.5
1/2
13
1/8
3.2
CS205
3/16
4.8
and
1/4
6.4
CS206
5/16
7.9
1. Inlet pressures based on lockup performance. For maximum inlet pressure values with optimum regulating performance, refer to the applicable Flow Capacity Table on CS200 Series Bulletin.
2. To comply with ANSI B109.4 relief requirements, the maximum inlet pressure may need to be reduced.
!
Failure to follow these instructions or
to properly install and maintain this
equipment could result in an explosion
and/or fire causing property damage and
personal injury or death.
Fisher
regulators must be installed,
®
operated, and maintained in accordance
with federal, state, and local codes,
rules and regulations, and Emerson
Process Management Regulator
Technologies, Inc. (Regulator
Technologies) instructions.
2
Table 1. Available Configurations
0
5
6
I
Table 2. Inlet Pressure Ratings and Flow and Sizing Coefficients
MAXIMUM
OPERATING INLET
PRESSURE TO
EMERGENCY INLET
PROVIDE OPTIMUM
PRESSURE
PERFORMANCE
(1)(2)
psig
bar
psig
125
8.6
125
8.6
125
8.6
60
4.1
40
2.8
175
125
8.6
125
8.6
125
8.6
100
6.9
WARNING
OPTIONS
OVERPRESSURE PROTECTION MODULE
Without Overpressure Protection Module
With Secondary Seat™ Protection
With Secondary Seat Protection with bleed to indicate Secondary Seat
is functioning
PRESSURE REGISTRATION
Internal Registration
RELIEF
N
Non-Relief
R
Internal Relief
MAXIMUM
FLOW
COEFFICIENTS
(WIDE-OPEN)
(2)
bar
C
g
12
24
44
102
12.1
172
17
37
65
88
If the regulator vents gas or a leak
develops in the system, service to
the unit may be required. Failure
to correct trouble could result in a
hazardous condition.
Call a gas service person to service the
unit. Only a qualified person shall install
or service the regulator.
Description
The CS200 Series regulators are typically installed
on industrial and commercial applications. All
constructions include internal pressure registration.
Types CS200IR, CS205IR, and CS206IR contain an
internal relief valve. Types CS200IN and CS205IN do
not contain internal relief.
IEC SIZING COEFFICIENTS
C
1
C
X
v
T
0.4
30
0.53
0.8
30
0.58
1.52
29
0.53
3.3
31
0.6
4.4
39
0.97
0.6
28
0.5
1.4
27
0.49
2.2
30
0.5
2.7
33
0.65
F
F
D
L
0.87
0.82
0.85
0.83
0.72
0.89
0.82
0.8
0.8
0.79
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