Fig B261 Extension Riser Clamp
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Fig B261 Extension Riser Clamp

Product DetailsFigure 261

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.

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 & 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 B261 Extension Riser Clamp
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Pipe Diameter Load Rating Weight Item # Availability Price Quantity UOM
1/2 220 1. FIGB2610050 3-5 Working Days $3.85039/EA EA
3/4 220 1.080 FIGB2610075 3-5 Working Days $4.0044/EA EA
1 220 1.080 FIGB2610100 3-5 Working Days $4.13641/EA EA
1 1/2 250 1.220 FIGB2610150 3-5 Working Days $5.50055/EA EA
2 300 1.3 FIGB2610200 3-5 Working Days $5.69857/EA EA
3 500 1.980 FIGB2610300 3-5 Working Days $6.88669/EA EA
4 750 2.280 FIGB2610400 In Stock $8.27283/EA EA
6 1600 3.680 FIGB2610600 3-5 Working Days $14.38481/EA EA
8 2500 7.260 FIGB2610800 3-5 Working Days $24.60413/EA EA
10 2500 11. FIGB2611000 3-5 Working Days $33.57381/EA EA
12 2700 15.940 FIGB2611200 3-5 Working Days $47.62538/EA EA
14 2700 17.360 FIGB2611400 3-5 Working Days $67.73079/EA EA
16 2900 29.680 FIGB2611600 3-5 Working Days $156.15015/EA EA
18 2900 31.640 FIGB2611800 3-5 Working Days $171.92346/EA EA
20 2900 34.840 FIGB2612000 3-5 Working Days $199.02688/EA EA
24 2900 50. FIGB2612400 3-5 Working Days $313.93873/EA EA