U-Bolts

U-bolts are a u-shaped rod with threaded ends, that fits around a pipe and is attached to a supporting member.

Types & Sizes

Technical Information

Request a Quote

  • Please be as specific as possible using Fig. Number and/or Type. You may also upload files below.
  • If this is an urgent request please use our 24/7 Emergency Request Service!
  • Please attach a drawing, photo, document or other file(s) to help us generate your quote.
    Drop files here or

Ammonia Plant
Chemical Plant
Clean Fuels
Commercial

Electric Plant
Energy Facility
Ethylene Plant
LLDPE Chemical Plant

LNG Plant
MTBE Plant
Natural Gas Combined Cycle Facility
Natural Gas Processing & Separation

Oil Refinery
Oil Sand Mine
Paper Manufacturer
See All

See More Images

U-bolts can be utilized as pipe guides when the horizontal forces are relatively small (usually 10% or less) compared with ...Continue Reading

Linked eye rods are primarily used in rod hanger assemblies where lateralor axial pipe movement must be accommodated. Linked Eye ...Continue Reading

An eye rod is a hanger rod where the lower section consists of either a formed portion (to form an ...Continue Reading

Long tangent refers to the length of the straight leg portion of the u-bolt which specifies the height of the ...Continue Reading

In order to specify a u-bolt for pipes, you must provide the diameter of the pipe, the material, the tangent ...Continue Reading

When installing clevises, first you should disengage the pin connection of the clevis. Then align the clevis pin holes with ...Continue Reading


More FAQs…

GENERAL DIMENSIONS & SPECIFICATIONS

Download PDF

Fig. 100: Tangent U-Bolt

Fig110

MATERIAL: Carbon steel
FINISH: Black. Galvanized upon request.
ORDERING: Specify figure number, pipe size, description and finish, if other than black.
NOTE:
 U-bolts are furnished with four hexagon nuts or are furnished with two hexagon nuts.
 Special U-bolts with longer tangents and threads and special materials can be furnished as specified.

PIPE

SIZE

MAX. RECOM. LOAD (lb.)
A
B
C
D
E

WEIGHT

per 100

1/2
580
1/4
7/8
1 1/8
2 1/2
2 1/2
12
3/4
580
1/4
1 1/8
1 3/8
2 5/8
2 1/2
13
1
580
1/4
1 3/8
1 5/8
2 3/4
2 1/2
14
1 1/4
1460
3/8
1 3/4
2 1/8
2 7/8
2 1/2
38
1 1/2
1460
3/8
2
2 3/8
3
2 1/2
39
2
1460
3/8
2 1/2
2 7/8
3 1/4
2 1/2
42
2 1/2
2700
1/2
3
3 1/2
3 3/4
3
90
3
2700
1/2
3 5/8
4 1/8
4
3
99
3 1/2
2700
1/2
4 1/8
4 5/8
4 1/4
3
109
4
2700
1/2
4 5/8
5 1/8
4 1/2
3
115
5
2700
1/2
5 5/8
6 1/8
5
3
128
6
4320
5/8
6 3/4
7 3/8
6 1/8
3 3/4
239
8
4320
5/8
8 3/4
9 3/8
7 1/8
3 3/4
283
10
6460
3/4
10 7/8
11 5/8
8 3/8
4
479
12
9960
7/8
12 7/8
13 3/4
9 5/8
4 1/4
764
14
9960
7/8
14 1/8
15
10 1/4
4 1/4
820
16
9960
7/8
16 1/8
17
11 1/4
4 1/4
870
18
11800
1
18 1/8
19 1/8
12 5/8
4 3/4
1350
20
11800
1
20 1/8
21 1/8
13 5/8
4 3/4
1460
24
11800
1
24 1/8
25 1/8
15 5/8
4 3/4
1710
30
11800
1
30 1/8
31 1/8
18 5/8
4 3/4
1920
36
11800
1
36 1/8
37 1/8
21 5/8
4 3/4
2326

Download PDF

Fig. 100-TPI: Long Tangent U-Bolt with Thermal Plastic Isolator (TPI) & Polyshrink

01 (2)

MATERIAL: Carbon steel
FINISH: Black or Galvanized with Polyshrink (furnished black unless otherwise specified.)
ORDERING: Specify figure number, pipe size, description and finish, operating temperature and any other special requirements
NOTE:
 U-bolts are furnished with four hexagon nuts, thermal plastic isolator (TPI) and polyshrink coating.
 Special U-bolts with longer tangents, threads and special material can be furnished as specified
 Thermal Plastic Isolator (TPI) color = white
 Maximum Service Temperature = 181°F
 Coefficient of friction = 0.25
 Compressive strength = 15,000 psi
 Higher temperature thermal plastic isolators (TPI) are available on request
 Polyshrink: Tensile Strength = 2,100 psi

Learn more about Thermoplastic Isolators, visit the technical page: Thermoplastic Isolator (TPI) – Technical Information

NOMINAL
PIPE

SIZE

MAX. RECOM. LOAD (lb.)
Rod Dia
B
C
D
E
TPI
L Hole Dia W H
1/2
580
1/4
1 1 7/16 3 1/2 3 1/2 2 1/2 3/8 3/4 5/16
3/4
580
1/4
1 3/16 1 5/8 3 5/8 3 1/2 3 3/8 3/4 5/16
1
580
1/4
1 1/2 1 15/16 3 3/4 3 1/2 3 3/8 3/4 5/16
1 1/4
1460
3/8
1 13/16 2 3/8 3 7/8 3 1/2 3 1/2 1/2 1 7/16
1 1/2
1460
3/8
2 1/16 2 5/8 4 3 1/2 4 1/2 1 7/16
2
1460
3/8
2 1/2 3 1/16 4 1/4 3 1/2 4 1/2 1/2 1 7/16
2 1/2
2700
1/2
3 3 11/16 4 3/4 4 5 5/8 1 7/16
3
2700
1/2
3 5/8 4 5/16 5 4 6 5/8 1 7/16
3 1/2
2700
1/2
4 1/8 4 13/16 5 1/4 4 7 5/8 1 7/16
4
2700
1/2
4 5/8 5 5/16 5 1/2 4 7 5/8 1 7/16
5
2700
1/2
5 5/8 6 5/16 6 4 8 5/8 1 7/16
6
4320
5/8
6 3/4 7 9/16 7 1/8 4 3/4 9 11/16 1 7/16
8
4320
5/8
8 3/4 9 9/16 8 1/8 4 3/4 11 11/16 1 7/16
10
6460
3/4
10 7/8 11 13/16 9 3/8 5 13 1/2 7/8 1 1/2 11/16
12
9960
7/8
12 7/8 13 15/16 10 5/8 5 1/4 16 1 1 1/2 11/16
14
9960
7/8
14 1/8 15 3/16 11 1/4 5 1/4 17 1 1 1/2 11/16
16
9960
7/8
16 1/8 17 3/16 12 1/4 5 1/4 19 1 1 1/2 11/16
18
11800
1
18 1/8 19 5/16 13 5/8 5 3/4 21 1/2 1 1/8 1 1/2 11/16
20
11800
1
20 1/8 21 5/16 14 5/8 5 3/4 23 1/2 1 1/8 1 1/2 11/16
24
11800
1
24 1/8 25 5/16 16 5/8 5 3/4 27 1/2 1 1/8 1 1/2 11/16
30
11800
1
30 1/8 31 5/16 19 5/8 5 3/4 33 1/2 1 1/8 1 1/2 11/16
36
11800
1
36 1/8 37 5/16 22 5/8 5 3/4 39 1/2 1 1/8 1 1/2 11/16
Top