Consolidated 1982 Series Safety Relief Valve Manual
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© 2020 Baker Hughes Company. All rights reserved.
XI. Inspection and Part Replacement
1. Base Replacement Criteria
Base should be replaced if:
a. Seat (Surface X) is nicked, or dimension D
minimum has been exceeded. (See Table 2).
b. Threads (T) are torn, galled or stripped.
c. Gasket surface (G) is nicked or experiencing
leakage.
d. Exceeds other dimensions in Table 2 and
Figure 6.
2. Disc Holder Replacement criteria, Figure 5 and
Table 1
Disc Holder should be replaced if:
a. Outside diameter (D) is galled or exceeds
minimum dimension. It requires 32 RMS
finish.
b. Retainer ring shoulder (G) is worn.
c. Exceeds dimensions mentioned in Table 1
and Figure 5.
30˚
E
A
B
C
A
VIEW - A
Z
D
Y
X
T
G
5˚
.028”
(0.71mm)
.010”
(0.25mm)
Figure 6: Threaded Base
1. Base to be discarded once D minimum is exceeded. Do not reestablish D.
Table 2: Base Rework Dimensions
Valve Size
A
+.003”/-.000”
(0.08/-0.00 mm)
B
+.000”/-.003”
(0.00/-0.08 mm)
C
+.000”/-.002”
(0.00/-0.05 mm)
D min.
(1)
E
+.005”/-.000”
(0.13/-0.00 mm)
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
.50
12.7
.442
11.23
.488
12.40
.527
13.39
.219 5.56 .033
+
-
.002
.000
0.84
+
-
0.05
0.00
.75
19.1
.589
14.96
.641
16.28
.702
17.83
.219 5.56
.038
0.97
1.00
25.4
.737
18.72
.803
20.40
.875
22.23
.359 9.13
.047
1.19
1.50
38.1
1.179 29.95 1.295 32.89
1.400
35.56
.406 10.32
.076
1.93
2.00
50.8
1.510 38.35 1.635 41.53 1.795
± .002
45.59
± 0.05
.484 12.30
.098
2.49
