Fig. 70A: Alloy Three Bolt Pipe Clamp

Fig70A

SIZE RANGE: 1/2 inch thru 36 inches

MATERIAL: Chrome molybdenum steel (ASTM A387)

FINISH: Black

SERVICE: Recommended for suspension of hot pipe lines requiring up to 4″ of insulation.

MAX. TEMP: 1050°F

ORDERING: Specify figure number, pipe size, description and finish.

PIPE SIZE
MAX. RECOM. LOAD, lbs.
B
C
D
E
F
G
H
APPROX. WEIGHT (lbs. per each)
@ 750° F @ 1000° F @ 1050° F
1/2
860
610
455
15/16
5/16
2 7/8
2 7/16
3/8
3/16 x 1
1 3/8
0.66
3/4
860
610
455
15/16
5/8
2 7/8
2 7/16
3/8
3/16 x 1
1 3/8
0.70
1
860
610
455
1 1/16
5/8
3
2 9/16
3/8
3/16 x 1
1 1/2
0.76
1 1/4
860
610
455
1 1/4
5/8
3 1/8
2 11/16
3/8
3/16 x 1
1 11/16
0.81
1 1/2
1410
1000
745
1 13/16
1 1/16
4 7/8
4 1/8
5/8
1/4 x 1 1/4
2 3/8
2.30
2
1410
1000
745
2 1/8
1 1/16
5 7/8
5 1/8
5/8
1/4 x 1 1/4
2 11/16
2.60
2 1/2
1410
1000
745
2 5/16
1 1/16
6 1/8
5 3/8
5/8
1/4 x 1 1/4
2 15/16
2.70
3
1410
1000
745
2 3/4
1 1/16
6 11/16
5 15/16
5/8
1/4 x 1 1/4
3 1/2
3.00
4
2290
1625
1200
3 3/8
1 1/16
7 5/8
6 1/2
3/4
5/16 x 2
4 1/2
6.70
5
2290
1625
1200
3 15/16
1 1/16
8 1/8
7
3/4
5/16 x 2
5
7.00
6
2620
1860
1380
4 3/4
1 7/16
9 11/16
8 9/16
7/8
3/8 x 2 1/2
6 1/8
11.50
8
2620
1860
1380
5 3/4
1 7/16
10 11/16
9 9/16
7/8
3/8 x 2 1/2
7 1/8
13.20
10
2970
2100
1565
6 7/8
1 7/16
12
10 7/16
1
1/2 x 2 1/2
8 1/4
19.80
12
2970
2095
1555
7 7/8
1 7/16
13
11 7/16
1
1/2 x 2 1/2
9 1/4
22.30
14
3915
2795
2060
9 1/16
2
14 5/16
12 11/16
1 1/4
5/8 x 3
10 11/16
37.70
16
3915
2795
2060
10 1/16
2
15 5/16
13 11/16
1 1/4
5/8 x 3
11 11/16
41.40
18
3915
2795
2060
11 1/16
2
16 5/16
14 11/16
1 1/4
5/8 x 3
12 11/16
44.90
20
4995
3550
2635
12 3/8
2
17 5/8
15 7/8
1 1/2
3/4 x 3
14
57.30
24
4995
3550
2635
14 3/8
2
19 5/8
17 7/8
1 1/2
3/4 x 3
16
65.90
28
5475
3890
2900
17 1/2
2 1/4
24 1/4
21 3/4
1 1/2
3/4 x 4
20
112.30
30
6850
4860
3630
18 1/2
2 1/2
26 1/8
23 3/8
1 1/2
3/4 x 5
21 1/4
150.00
36
9580
6800
5070
22 1/2
3
32 1/4
28 3/4
1 3/4
1 x 5
26
257.50
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