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Table 8.3 Type Specification Code (Bolts, Nuts and Packings)
Model
Specification Code
1 2 3
4
5
6
7
B N P
F
0
5
0
0
6
0
0
7
0
0
8
0
0
9
0
1
0
0
1
1
0
1
2
0
1
3
5
1
5
0
1
6
0
1
8
0
2
0
0
2
2
0
2
4
0
2
6
0
2
8
0
3
0
0
Description
8
9
10
Bolts, Nuts and Packings
Flange type
Meter size
20" (500mm )
24" (600mm)
28" (700mm )
32" (800mm )
36" (900mm )
40" (1000mm )
44" (1100mm )
48" (1200mm )
54" (1350mm )
60" (1500mm )
64" (1600mm )
72" (1800mm )
80" (2000mm )
88" (2200mm )
96" (2400mm )
104" (2600mm )
112" (2800mm )
120" (3000mm )
Pipe flange rating
J
JIS 10K
Z
Other
Bolt and Nut Material
A
SS400 (standard)
B
304 stainless steel
C
not provided
Z
Other
Packing Material
A
Chloroprene rubber
B
EPDM rubber
C
not provided
Z
Other
29
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