Consolidated 1982 Series Safety Relief Valve Manual
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6. Adjusting Ring Replacement criteria
Adjusting Ring should be replaced if:
a. Inside diameter (A) exceeds maximum
dimension or nicked.
b. Outside diameter (B) is below minimum
dimension or nicked.
c. Threads (T) should be replaced if torn, galled
or stripped.
d. Adjusting ring notches (N) are worn or
missing.
f. Exceeds dimensions mentioned in Table 4
and Figure 8.
7. Adjusting Screw Replacement criteria
Adjusting Screw should be replaced if:
a. Threads (T) are torn, galled and stripped.
b. Bearing surfaces (A) are galled or pitted.
XI. Inspection and Part Replacement (Cont.)
T
N
A
B
θ
T
A
Figure 8: Adjusting Ring
Table 4: Adjusting Ring Critical Dimensions
Valve Size
A max.
B min.
Angle (
θ
)
in.
mm
in.
mm
in.
mm
.50
12.70
.535
13.59
.558
14.17
15°
.75
19.05
.710
18.03
.730
18.54
15°
1.00
25.40
.885
22.48
.902
22.91
0°
1.50
38.10
1.411
35.84
1.458
37.03
15°
2.00
50.80
1.815
46.10
1.871
47.52
0°
Figure 9: Adjusting Screw
