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Fig B261 Extension Riser Clamp

Selected Figure B261 Extension Riser Clamp PlainFig B261 Extension Riser Clamp
Figure B261 Extension Riser Clamp PlainFig B261 Extension Riser Clamp

The figure B261 carbon steel extension riser clamp is for the support or steadying of vertical pipe risers. It is designed to hold tight to the pipe, transmitting the load to the structure through the ears on each end. When possible the clamp should be placed under a coupling, hub, or lugs, welded to the pipe.

Products

Product Details

MATERIAL Carbon Steel
MAX TEMP 650F (343C)
COMPLIANCE Federal Specification A-A-1192A (Type 8), ANSI/MSS SP-58 (Type 8)
NOTE This product is not designed to be supported with hanger rods. Install using the maximum recommended torque value per industry standards. Do not overtighten the bolts.

Dimensions & Loads

Figure 261 Extension Riser ClampFigure 261 Extension Riser Clamp

PIPE SIZE MAX LOAD A B WEIGHT EA
1/2 220 9 2 1/2 1.00
3/4 220 9 3/8 2 7/8 1.08
1 220 9 5/8 3 1/8 1.08
1 1/4 250 10 3 1/2 1.86
1 1/2 250 10 1/4 3 3/4 1.22
2 300 10 3/4 4 1/4 1.30
2 1/2 400 11 1/4 4 3/4 1.74
3 500 11 1/2 5 1/2 1.98
3 1/2 600 12 1/2 6 1/2 2.14
4 750 12 7/8 7 1/8 2.28
5 1500 13 3/4 8 3.60
6 1600 14 3/4 8 3/4 3.68
8 2500 18 1/2 12 1/2 7.26
10 2500 20 3/4 14 3/4 11.00
12 2700 22 3/4 16 3/4 15.94
14 2700 24 18 17.36
16 2900 26 1/2 20 1/2 29.68
18 2900 28 23 1/2 31.64
20 2900 30 25 34.84
24 2900 34 29 50.00
30 2900 40 35 63.00
  1. All dimensions are in inches.