Fig G261 Extension Riser Clamp, Galvanized
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Fig G261 Extension Riser Clamp, Galvanized

Product DetailsFigure 261

The figure G261 hot dipped galvanized 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.

MATERIAL Hot Dipped Galvanized Carbon Steel
MAX TEMP 450F (232C)
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 shown in the Catalog Technical Section. Do not overtighten the bolts.

Dimensions & LoadsFigure 261

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.
Fig G261 Extension Riser Clamp, Galvanized
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Pipe Diameter Load Rating Weight Item # Availability Price Quantity UOM
1/2 220 1.005 FIGG2610050 In Stock $5.71617/EA EA
3/4 220 1.085 FIGG2610075 In Stock $7.18592/EA EA
1 220 1.085 FIGG2610100 In Stock $7.9813/EA EA
1 1/4 250 1.869 FIGG2610125 In Stock $8.77155/EA EA
1 1/2 250 1.226 FIGG2610150 In Stock $11.42761/EA EA
2 300 1.307 FIGG2610200 In Stock $12.28667/EA EA
2 1/2 400 1.749 FIGG2610250 In Stock $9.92543/EA EA
3 500 1.990 FIGG2610300 In Stock $13.4402/EA EA
3 1/2 600 2.151 FIGG2610350 3-5 Working Days $6.75468/EA EA
4 750 2.291 FIGG2610400 In Stock $17.53208/EA EA
5 1500 3.618 FIGG2610500 In Stock $22.65677/EA EA
6 1600 3.698 FIGG2610600 In Stock $62.54282/EA EA
8 2500 7.296 FIGG2610800 In Stock $48.72937/EA EA
10 2500 11.055 FIGG2611000 In Stock $51.07261/EA EA
12 2700 16.020 FIGG2611200 In Stock $72.07921/EA EA
14 2700 17.447 FIGG2611400 In Stock $112.94829/EA EA
16 2900 29.828 FIGG2611600 In Stock $231.24312/EA EA
18 2900 31.798 FIGG2611800 In Stock $169.33993/EA EA
20 2900 35.014 FIGG2612000 In Stock $353.57536/EA EA
24 2900 50.250 FIGG2612400 In Stock $484.5618/EA EA