Class 2500
Max. Torque
Max. Gsk. Min. Gsk. Minimum
Nom.
Gsk. ID Gsk. OD Gsk. Area No.
Size of per Bolts @ Comp. per Comp.
Comp.
Torque
Preferred
Pipe Size Contact Contact Contact
of
Bolts
60 ksi Bolt
Bolt @
Available Recomm. per Bolt
Torque
(inches) (inches) (inches) (Sq. in.) Bolts
(inches) Stress (ft lb) 60K (ft lb)
(psi)
(psi)
(ft lb)
(ft lb)
Torque Tables
For Spiral Wound Gaskets, ASME B16.5
0.5
0.75
1.25
0.79
4
0.75
200
18,120
92,284
10,000
22
100
0.75
1.00
1.56
1.13
4
0.75
200
18,120
64,024
10,000
31
100
1
1.25
1.88
1.53
4
0.88
320
25,140
65,555
10,000
49
160
1.25
1.56
2.38
2.51
4
1.00
490
33,060
52,629
10,000
93
279
1.5
1.88
2.75
3.18
4
1.13
710
43,680
54,971
10,000
129
387
2
2.31
3.38
4.75
8
1.00
490
33,060
55,725
10,000
88
264
2.5
2.75
3.88
5.85
8
1.13
710
43,680
59,696
10,000
119
357
3
3.63
4.75
7.40
8
1.25
1,000
55,740
60,260
10,000
166
500
4
4.63
5.88
10.31
8
1.50
1,600
84,300
65,423
10,000
245
800
5
5.63
7.00
13.63
8
1.75
3,000
118,800
69,708
10,000
430
1,500
6
6.75
8.25
17.67
8
2.00
4,400
159,120
72,035
10,000
611
2,200
8
8.50
10.13
23.77
12
2.00
4,400
159,120
80,323
10,000
548
2,200
10
10.63
12.25
29.19
12
2.50
8,800
257,520
105,849
10,000
831
4,400
12
12.50
14.50
42.41
12
2.75
11,840
315,540
89,280
10,000
1,326
5,920
WARNING:
Properties/applications shown throughout this brochure are typical. Your specifc applica-
tion should not be undertaken without independent study and evaluation for suitability.
For specifc application recommendations consult Garlock. Failure to select the proper
sealing products could result in property damage and/or serious personal injury.
Performance data published in this brochure has been developed from feld testing,
customer feld reports and/or in-house testing.
While the utmost care has been used in compiling this brochure, we assume no respon-
sibility for errors. Specifcations subject to change without notice. This edition cancels
all previous issues. Subject to change without notice.
Tables are based on the use of bolts with a yield strength of 100,000 psi.
D-39