Afcon 261, 261 User Manual
RISER CLAMPS
L
G
Fig. 261 (Formerly Afcon Fig. 400) Extension Pipe or Riser Clamp
Size Range: 3⁄4" through 24"
Material: Carbon steel
Finish: q Plain, q Hot-Dip Galvanized with Zinc Plated Bolts & Nuts,
Epoxy Coated or q Painted.
q
Service: For support of stationary steel pipe risers, cast iron pipe
or conduit. This product is not intended for use with hanger rods.
For this application refer to Fig. 40 Riser Clamp, page 49.
Maximum Temperature: Plain 650° F, Galvanized and Epoxy 450° F
Approvals: Complies with Federal Specification A-A-1192A (Type 8)
WW-H-171-E (Type 8)
, ANSI/MSS SP-69 and MSS SP-58 (Type 8).
UL, ULC Listed (Sizes 1 1⁄2" - 8").
Installation: Clamp is fitted and bolted preferably below a coupling,
hub or welded lugs on steel pipe. Bolt torques should be per industry
standards (see page 248). Clamp is designed for standard steel pipe O.D.
and this must be considered in sizing the riser for other types of piping.
Ordering: Specify pipe size, figure number, name and finish.
Note: Refer to Technical Data Section of the Pipe Hanger Catalog
for cast iron soil pipe data.
C
L
B
C
FIG. 261: DIMENSIONS (IN) • LOADS (LBS) • TORQUE (FT-LBS) • WEIGHT (LBS)
Pipe
Size
3
⁄4
1 1.1 31⁄8
11⁄4
11⁄2 1.6
2 300 1.7 41⁄4
3 500 1.9 113⁄8 51⁄2
31⁄2 600 2.3
4 750 2.4 7
5 1,500 3.6 133⁄4
6 1,600 4.0 143⁄4 9
8
10 11.1 201⁄4
12
14 17.7 24 171⁄4
16
20 35.0 30 233⁄4
24 3,200 82.0 363⁄4 3 30 1
Project:
Address:
Contractor:
Engineer: Remarks:
Submittal Date:
Notes 1:
Notes 2:
PH-1.18
Max
Load
220
250
2,500
2,700
2,900
Weight L
1.1
1.6 10 31⁄2
7.6 181⁄2 12
16.5 223⁄4 153⁄4
30.4 26
87⁄8
101⁄4
127⁄8
G
Width
1
11⁄2
2
21⁄2
B C
27⁄8
37⁄8
61⁄2
8
133⁄4
193⁄4
3
1
1
5
3
PROJECT INFORMATION APPROVAL STAMP
Approved
q
Approved as noted
q
Not approved
q
Bolt
Diameter
⁄8
⁄2
⁄2
⁄8
⁄4
3
⁄8 21
7
⁄16 3221⁄2 400 1.9 111⁄4 43⁄4
1
⁄2 46
5
⁄8 100
3
⁄4 15018 33.8 28 213⁄4
7
⁄8 190
Torque
Values
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