Pipe Clamps
A
B3146 - Heavy Duty Double Bolt Pipe Clamp (TOLCO Fig. 5H)
Size Range: 6" (150mm) thru 36" (900mm) pipe.
Material: Steel
Function: Recommended for the suspension of heavy
duty high temperature pipe runs requiring up to 4" (101.6mm) of
insulation and where flexibility of the clamp may be
necessary. Use with B3200 weldless eye nut, B3210 eye rod or
B3211 welded eye rod.
C
Approvals: Conforms to Federal Specification
WW-H-171E & A-A-1192A, Type 3 and Manufacturers
Standardization Society ANSI/MSS SP-69 & SP-58, Type 3.
B
Maximum Temperature: 750°F (399°C)
Finish: Plain. Contact B-Line for alternative finishes and
materials.
E
Order By: Part number, pipe size and finish.
D
Pipe Size
Part No.
in.
A
(mm)
in.
B
(mm)
in.
C
D
(mm)
in.
(mm)
(44.4)
103/16"
(258.8)
815/16"
(227.0)
(50.8)
113/8"
(288.9)
101/8"
(257.2)
in.
E
(mm)
in.
(mm)
6"
(152.4)
43/4"
(120.6)
71/4"
(184.1)
6"
(152.4)
(184.1)
B3146-6
6"
(150)
13/4"
B3146-8
8"
(200)
2"
(350)
21/4"
(57.1)
131/8"
(333.4)
113/8"
(288.9)
9"
(228.6)
71/4"
(63.5)
145/16"
(363.5)
129/16"
(319.1)
103/8"
(263.5)
85/8"
(219.1)
(63.5)
151/2"
(393.7)
131/2"
(342.9)
115/8"
(295.3)
95/8"
(244.5)
(435.0)
147/8"
(377.7)
131/8"
(333.4)
107/8"
(276.2)
(463.5)
161/4"
(412.7)
141/2"
(368.3)
121/2"
(317.5)
(342.9)
B3146-10
10"
B3146-12
12"
(300)
21/2"
B3146-14
14"
(450)
21/2"
B3146-16
16"
(400)
3"
(76.2)
171/8"
B3146-18
18"
(550)
31/2"
(88.9)
181/4"
(500)
31/2"
(88.9)
193/4"
(501.6)
171/4"
(438.1)
16"
(406.4)
131/2"
(88.9)
223/8"
(568.3)
195/16"
(490.5)
181/2"
(469.9)
151/2"
(393.7)
(107.9)
323/4"
(831.8)
281/4"
(717.5)
243/8"
(619.1)
197/8"
(504.8)
(107.9)
401/4"
(1022.3)
343/4"
(882.6)
301/8"
(765.2)
225/8"
(574.7)
B3146-20
20"
B3146-24
24"
(600)
31/2"
B3146-30
30"
(750)
41/4"
(900)
41/2"
B3146-36
36"
Pipe Clamps
Bolt
Size
Part No.
Maximum Design Load For
Service Temperature
650°F (343°C)
750°F (399°C)
Approx.
Wt./100
in.
(mm)
Lbs.
(kN)
Lbs.
(kN)
Lbs.
(kg)
B3146-6
1"
(25.4)
3500
(15.57)
3125
(13.90)
1200
(544.3)
B3146-8
11/8"
(28.6)
4800
(21.35)
4285
(19.06)
1850
(839.1)
B3146-10
11/4"
(31.7)
5500
(24.46)
4910
(21.84)
3030
(1374.4)
B3146-12
13/8"
(34.9)
7000
(31.13)
6250
(27.80)
4200
(1905.1)
B3146-14
11/2"
(38.1)
9500
(42.25)
8485
(37.74)
6000
(2721.6)
B3146-16
13/4"
(44.4)
10000
(44.48)
8930
(39.72)
8000
(3628.8)
B3146-18
2"
(50.8)
13800
(61.38)
12325
(54.82)
11500
(5216.4)
B3146-20
2"
(50.8)
15300
(68.05)
13665
(60.78)
14000
(6350.4)
B3146-24
2"
(50.8)
16300
(72.50)
14555
(64.74)
19000
(8618.4)
B3146-30
21/4"
(57.1)
20500
(91.18)
--
(--)
40600
(18416.1)
B3146-36
23/4"
(69.8)
28000
(124.54)
--
(--)
67800
(30754.1)
All dimensions in charts and on drawings are in inches. Dimensions shown in parentheses are in millimeters unless otherwise specified.
85
Pipe Hangers & Supports