PARTS & SERVICE BULLETIN
SGS 500 Series
Stainless Steel Regulators
FORM NO. 0056-1316 EFFECTIVE December 1996
VICTOR High Purity regulators were helium leak tested at the factory to an inboard rate of
1 x 10
-9
scc/sec. Always leak test with helium after servicing the regulators. DO NOT service the regulators if you do not have access to helium leak testing facilities. Take the
regulators to a qualified repair technician with helium leak testing equipment.
Apparatus improperly operated, maintained or repaired can be dangerous. Some parts
and accessories manufactured by others may fit VICTOR apparatus but not conform to
VICTOR’s exacting standards. For your own protection, specify and use ONLY VICTORmade parts and accessories with your VICTOR apparatus.
Service or repair of VICTOR apparatus should be performed only by a qualified technician. Improper service, repair or modification of the the product could result in damage to
the product or injury to the operator.
2
CHART 1
SGS 500-15
0761-0109
1424-0312
1424-0311
SGS 500-40
0761-0110
1424-0313
1424-0311
SGS 500-80
0761-0111
1424-0314
1424-0311
SGS 500-125
0761-0112
1424-0315
1424-0311
CHART 2
CGA NO.
240
330
350
540
580
590
660
705
INLET SWIVEL
0998-0003
0985-0006
0983-0014
0967-0022
0970-0051
0970-0051
0995-0017
0998-0011
INLET NUT
0998-0006
0986-0007
0983-0013
0967-0052
0973-0004
0974-0010
0995-0007
0998-0012
INLET WASHER
1408-0018
1408-0023
N/A
N/A
N/A
N/A
1408-0024
1408-0032
ITEM NO.
NO. DESCRIPTION PART NO. REQ’D
1 HOLE PLUG 0919-0028 1
2 ADJUSTING KNOB 0750-0111 1
3 LOCKNUT 1409-0079 1
4 LOCKWASHER 1406-0110 2
5 ADJ. SCREW ASSY. 0750-0143 1
6 HOUSING CAP 0720-0221 1
7 ADJUSTING SPRING See Chart 1 1
8
9 DIAPHRAGM PLATE 0735-0047 1
10 DIAPHRAGM 0731-0021 1
11 CARTRIDGE ASSY. 0739-0024 1
12 BODY 0701-0233 1
13 CARTRIDGE GASKET 1408-0114 1
14
15
16
17 L.P. GAUGE See Chart 1 1
18 H.P. GAUGE See Chart 1 1
19 DIFF. RES. VALVE 0660-0519 1
20 BUSHING 0910-0081 1
21 INLET SWIVEL See Chart 2 1
22 INLET NUT See Chart 2 1
23 WASHER See Chart 2 1
24 PIPE PLUG 1105-0021 1
ITEM NO.
NO. DESCRIPTION PART NO. REQ’D
A BODY 0658-0011 1
B POPPET GUIDE 0783-0014 1
C SPRING 0762-0040 1
D SEAT ASSEMBLY 0740-0142 1
E DIAPHRAGM (copper) 0731-0053 1
F DIAPHRAGM (SST) 0731-0054 2
G NOSE, ADJ.SCREW 0751-0088 1
H ADJUSTING SCREW 0667-0039 1
J CAP 0659-0004 1
K GASKET 1408-0100 1
L LOCK NUT 1409-0003 2
M LOCKWASHER 1406-0110 1
N ADJUSTING KNOB 0750-0107 1
P HOLE PLUG 0919-0028 1
SGS 500 REGULATOR
DRK VALVE
SGS 500-200
0761-0113
1424-0316
1424-0311
Description
Adjusting Spring
L. P. Gauge
H. P. Gauge
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