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5. Change to a new part when reassembling the
regulator. Coat the threads of the replacement
orifice with a good quality lubricant. (If the orifice
is being replaced with a different size, update the
nameplate to state the new size and maximum
inlet pressure).
6. Reassemble the regulator in reverse order of the
above steps.
Regulator Reassembly
As indicated by the square callouts in Figures 8
through 12, 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 O-rings. Also apply an anti-seize compound to the
adjusting screw threads and other areas as needed.
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
Part Number
Regulator Repair Kit (Repair Parts Kit include
keys 19, 21, 27, 36, 55 and 62)
Type CS400
RCS400X0012
Type CS403
RCS403X0012
Type CS404
RCS404X0012
Orifice Repair Kit (Orifice Repair Parts kit includes
keys 25 (Orifice) and 27 (O-ring, Quantity 1))
3/16 in. / 4.8 mm orifice size
GE31360X012
1/4 in. / 6.4 mm orifice size
GE31361X012
5/16 in. / 7.9 mm orifice size
GE31362X012
3/8 in. / 9.5 mm orifice size
GE31363X012
1/2 in. / 13 mm orifice size
GE31364X012
5/8 in. / 16 mm orifice size
GE31365X012
3/4 in. / 19 mm orifice size
GE31366X012
Key Description
Part Number
1
Spring Case, Aluminum
GE24555X012
2
Vent Screen, Stainless steel
T1121338982
3
Retaining Ring, Zinc-plated steel
T1120925072
4
Stabilizer Guide, Stainless steel
GE27061X012
5
Stabilizer
GE27063X012
6
Stabilizer Spring, Stainless steel
GE35010X012
7
Stabilizer Retaining Ring, Zinc-plated steel
GE27024X012
8
Stabilizer Screw (3 required), Zinc-plated
GE29724X012
9
Lower Casing, Aluminum
GE24289X012
10
Lever, Steel
GE27194X012
11
Stem, Aluminum
GE27402X012
12* O-ring, External Registration, Nitrile (NBR)
1E472706992
13
Lever Pin, Stainless steel
T14397T0012
14
Lever Screw (2 required), Zinc-plated steel
GE34243X012
15
Cap Screw (8 required), Steel
GE32059X012
16
Nut (8 required), Steel
GE32060X012
17
Union Ring, Aluminum
GE26590X012
18
Snap Ring, Stainless steel
T1120637022
19* O-ring, Nitrile (NBR)
1K594906562
20 Stem Guide, Aluminum
Internal Registration (Open Throat)
GE25384X012
External Registration (Closed Throat)
GE25385X012
21*
O-ring, Nitrile (NBR)
GE45216X012
22
Pipe Plug, 3/4 NPT, Steel
Internal Registration
GE34199X012
23
Screw, External Registration, Zinc-plated steel 1E175828982
24* O-ring, External Registration, Nitrile (NBR)
17A0960X012
25* Orifice, Aluminum
3/16 in. / 4.8 mm
T1122409012
1/4 in. / 6.4 mm
T12522T0012
5/16 in. / 7.9 mm
GE31233X012
3/8 in. / 9.5 mm
T1122309012
1/2 in. / 13 mm
T1122009012
5/8 in. / 16 mm
GE31234X012
3/4 in. / 19 mm
T1121909012
26* OPP Orifice, 3/4 in. / 4.8 mm
True-Monitor
TM
, Aluminum
GE30003X012
Type VSX4, Brass
GE28684X012
27* O-ring, Nitrile (NBR)
Type CS400 (1 required)
10A3802X022
Type CS403 (2 required)
10A3802X022
Type CS404 (2 required)
10A3802X022
28*
O-ring, Nitrile (NBR)
GE01439X012
36* Valve Disk, Aluminum/Nitrile (NBR)
GE26497X012
37
Disk Clip, Stainless steel
GE33771X012
38
Control Spring, Music Wire or Stainless steel
3.5 to 5 in. w.c. / 9 to 12 mbar, Red
GE30198X012
4.5 to 6.5 in. w.c. / 11 to 16 mbar, Purple
GE30195X012
6 to 8 in. w.c. / 15 to 20 mbar, Gold
GE30188X012
7.5 to 11 in. w.c. / 19 to 27 mbar, Blue
GE30189X012
10 to 14 in. w.c. / 25 to 35 mbar, Unpainted
GE30224X012
12 to 19 in. w.c. / 30 to 47 mbar, Green
GE30196X012
18 to 28 in. w.c. / 45 to 69 mbar, Orange
GE30225X012
1 to 2 psig / 69 to 138 mbar, Black
GE30190X012
2 to 5.5 psig / 138 to 380 mbar, Yellow
GE30197X012
* Recommended spare part.