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fastens the lower spring seat (key 43) to the pusher
post (key 51). Unscrewing the screw retainer will
separate the lower spring seat (key 43), diaphragm
and diaphragm assembly (key 55), and pusher post
(key 51).
For Type CS200IR, CS205IR, and CS206IR (units
with internal relief), press down on the upper spring
retainer (key 42, Figure 6) using a 9/16-inch / 14 mm
box-end wrench and remove the retaining ring (key 58).
Slide the upper spring retainer (key 42), the relief
spring (key 41), the lower spring seat (key 43) and the
diaphragm assembly (key 55) off of the relief valve stem
(key 44).
6. Reassemble regulator in the reverse order of the
above steps.
Disassembly to Replace Valve Disk
and Orifice
1. Remove the bolts (key 71, Figure 5) which hold the
lower spring casing (key 9) to the body (key 70).
Separate the lower spring casing from the body.
2. Check the body O-ring (key 21) for wear and replace
as necessary.
3. Examine the valve disk (key 36, Figure 5) for nicks,
cuts, and other damage. Remove the disk by pulling
and replace it with a new part if necessary.
4.
a. If the seating edge of the Type CS200 orifice
(key 25, Figure 7) is nicked or rough, remove the
orifice from the body using a 7/8-inch / 22 mm
socket wrench.
b. If equipped with a Type CS205/206
Secondary Seat™ orifice assembly, inspect the
primary seating surface as well as the secondary
seating surface and sealing surface. If nicks or other
damage are present, remove the orifice
assembly from the body using a 7/8-inch / 22 mm
socket wrench.
Apply anti-seize lubricant to the external threads of
the new orifice and reassemble.
If the orifice is being replaced with a
different size, change the nameplate
to state the new size and maximum
inlet pressure.
5. Reassemble the regulator in reverse order of the
above steps.
Regulator Reassembly
It is recommended that a good quality pipe thread sealant
be applied to pressure connections and fittings and a
good quality lubricant be applied to all O-rings except
when replacing key 19, as key 19 is a friction fit O-ring for
Note
holding the stem guide into the lower casing. Also apply
an anti-seize compound to the adjusting screw threads
and other areas as needed. Refer to Figures 5 through 7.
Parts Ordering
The type number, orifice size, spring range, and date of
manufacture are stamped on the nameplate. Always
provide this information in any correspondence with
your local Sales Office regarding replacement parts or
technical assistance.
When ordering replacement parts, reference the key
number of each needed part as found in the following
parts list. Separate kit containing all recommended spare
parts is available.
Parts List
Key
Description
Spare Parts (Repair Parts Kit includes keys 21,
36, 55, and 62)
Type CS200
1
Upper Case, Aluminum
2
Vent Screen, 18-8 Stainless steel
3
Retaining Ring, Zinc-plated steel
4
Stabilizer Guide, Stainless steel
5
Stabilizer, 1 inch / 25 mm
6
Spring, Stainless steel
7
Retainer Plate, Zinc-plated steel
8
Stabilizer Screw, Zinc-plated steel (3 required)
9
Lower Casing, Aluminum
10
Lever, Steel
11
Stem, Aluminum
13
Lever Pin, Stainless steel
14
Lever Screw, Steel (2 required)
15
Cap Screw, Steel (8 required)
16
Nut, Steel (8 required)
17
Union Ring, Aluminum
18
Snap Ring, Stainless steel
19* O-ring, Nitrile (NBR)
20
Stem Guide, Aluminum
21* O-ring, Nitrile (NBR)
22* Pipe Plug, Steel, 3/4 NPT
25* Orifice Assembly
Type CS200 without Secondary Seat™
protection, Aluminum
1/8 inch / 3.1 mm
3/16 inch / 4.7 mm
1/4 inch / 6.4 mm
3/8 inch / 9.5 mm
1/2 inch / 13 mm
Type CS205 with Secondary Seat
protection, Brass/Nitrile (NBR)
1/8 inch / 3.1 mm
3/16 inch / 4.7 mm
1/4 inch / 6.4 mm
5/16 inch / 7.9 mm
Type CS206 with Secondary Seat
protection and bleed, Brass/Nitrile (NBR)
1/8 inch / 3.1 mm
3/16 inch / 4.7 mm
1/4 inch / 6.4 mm
5/16 inch / 7.9 mm
*Recommended spare part.
CS200 Series
Part Number
RCS200X0012
GE24555X012
T1121338982
T1120925072
GE27061X012
GE27063X012
GE35010X012
GE27024X012
GE29724X012
GE24289X012
GE27194X012
GE27439X012
T14397T0012
GE34243X012
GE32059X012
GE32060X012
GE26591X012
T1120637022
1K594906562
GE31962X012
GE45216X012
GE34199X012
1A936709012
00991209012
0B042009012
0B042209012
1A928809012
GE31991X012
GE32008X012
GE32010X012
GE32012X012
GE32007X012
GE32009X012
GE32011X012
GE32014X012
9
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