Selecting Clamps Using Pipe, Conduit, or Tubing Trade Size
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Riser Clamps
Wide flanges support vertical pipe passing through floors.
Zinc-plated steel clamps have good corrosion resistance. 304 stainless steel clamps have excellent corrosion resistance.
For technical drawings and 3-D models, click on a part number.
ID | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Inch | Metric, mm | For Pipe Size  | Capacity, lbs. | Lg. | Ht. | Thick. | Clamping Fasteners Included | Specifications Met | Each | |
Zinc-Plated Steel | ||||||||||
| 13/16" | 21 | 1/2 | 250 | 8 1/2" | 7/8" | 1/16" | Yes | Fed. Spec. WW-H-171, Type 8; MSS-SP-58-2009, Type 8 | 0000000 | 00000 |
| 1 1/16" | 27 | 3/4 | 250 | 9" | 7/8" | 1/16" | Yes | Fed. Spec. WW-H-171, Type 8; MSS-SP-58-2009, Type 8 | 0000000 | 0000 |
| 1 5/16" | 33 | 1 | 250 | 9" | 7/8" | 1/16" | Yes | Fed. Spec. WW-H-171, Type 8; MSS-SP-58-2009, Type 8 | 0000000 | 0000 |
| 1 11/16" | 43 | 1 1/4 | 250 | 9 1/2" | 7/8" | 1/16" | Yes | Fed. Spec. WW-H-171, Type 8; MSS-SP-58-2009, Type 8 | 0000000 | 0000 |
| 1 7/8" | 48 | 1 1/2 | 250 | 9 7/8" | 7/8" | 1/16" | Yes | Fed. Spec. WW-H-171, Type 8; MSS-SP-58-2009, Type 8 | 0000000 | 0000 |
| 2 3/8" | 60 | 2 | 250 | 10 1/4" | 1" | 3/32" | Yes | Fed. Spec. WW-H-171, Type 8; MSS-SP-58-2009, Type 8 | 0000000 | 0000 |
| 2 7/8" | 73 | 2 1/2 | 390 | 11" | 1" | 3/32" | Yes | Fed. Spec. WW-H-171, Type 8; MSS-SP-58-2009, Type 8 | 0000000 | 0000 |
| 3 1/2" | 89 | 3 | 530 | 11 3/4" | 1" | 3/32" | Yes | Fed. Spec. WW-H-171, Type 8; MSS-SP-58-2009, Type 8 | 0000000 | 00000 |
| 4" | 102 | 3 1/2 | 670 | 12 5/8" | 1 1/4" | 1/8" | Yes | Fed. Spec. WW-H-171, Type 8; MSS-SP-58-2009, Type 8 | 0000000 | 00000 |
| 4 1/2" | 114 | 4 | 810 | 13" | 1 1/4" | 1/8" | Yes | Fed. Spec. WW-H-171, Type 8; MSS-SP-58-2009, Type 8 | 0000000 | 00000 |
| 5 9/16" | 141 | 5 | 1,160 | 14 1/2" | 1 1/2" | 5/32" | Yes | Fed. Spec. WW-H-171, Type 8; MSS-SP-58-2009, Type 8 | 0000000 | 00000 |
| 6 5/8" | 168 | 6 | 1,570 | 16" | 1 1/2" | 5/32" | Yes | Fed. Spec. WW-H-171, Type 8; MSS-SP-58-2009, Type 8 | 0000000 | 00000 |
| 8 5/8" | 219 | 8 | 2,500 | 18 1/4" | 2" | 3/8" | Yes | Fed. Spec. WW-H-171, Type 8; MSS-SP-58-2009, Type 8 | 0000000 | 00000 |
| 10 3/4" | 273 | 10 | 2,500 | 20 5/8" | 2" | 3/8" | Yes | Fed. Spec. WW-H-171, Type 8; MSS-SP-58-2009, Type 8 | 0000000 | 00000 |
| 12 3/4" | 324 | 12 | 2,700 | 22 3/8" | 2" | 3/8" | Yes | Fed. Spec. WW-H-171, Type 8; MSS-SP-58-2009, Type 8 | 0000000 | 00000 |
304 Stainless Steel | ||||||||||
| 13/16" | 21 | 1/2 | 220 | 8 7/8" | 1 1/4" | 3/16" | Yes | MSS-SP-58-2009, Type 8 | 0000000 | 00000 |
| 1 1/16" | 27 | 3/4 | 220 | 8 7/8" | 1 1/4" | 3/16" | Yes | MSS-SP-58-2009, Type 8 | 0000000 | 00000 |
| 1 5/16" | 33 | 1 | 220 | 8 7/8" | 1 1/4" | 3/16" | Yes | MSS-SP-58-2009, Type 8 | 0000000 | 00000 |
| 1 11/16" | 43 | 1 1/4 | 250 | 10" | 1 1/4" | 1/4" | Yes | MSS-SP-58-2009, Type 8 | 0000000 | 00000 |
| 1 7/8" | 48 | 1 1/2 | 250 | 10 1/4" | 1 1/4" | 1/4" | Yes | MSS-SP-58-2009, Type 8 | 0000000 | 00000 |
| 2 3/8" | 60 | 2 | 300 | 10 1/4" | 1 1/4" | 1/4" | Yes | MSS-SP-58-2009, Type 8 | 0000000 | 00000 |
| 2 7/8" | 73 | 2 1/2 | 400 | 11 1/4" | 1 1/4" | 1/4" | Yes | MSS-SP-58-2009, Type 8 | 0000000 | 00000 |
| 3 1/2" | 89 | 3 | 500 | 11 3/8" | 1 1/4" | 1/4" | Yes | MSS-SP-58-2009, Type 8 | 0000000 | 00000 |
| 4" | 102 | 3 1/2 | 600 | 12 7/8" | 1 1/2" | 1/4" | Yes | MSS-SP-58-2009, Type 8 | 0000000 | 00000 |
| 4 1/2" | 114 | 4 | 750 | 12 7/8" | 1 1/2" | 1/4" | Yes | MSS-SP-58-2009, Type 8 | 0000000 | 00000 |
| 5 9/16" | 141 | 5 | 1,160 | 13 3/4" | 2" | 1/4" | Yes | MSS-SP-58-2009, Type 8 | 0000000 | 00000 |
| 6 5/8" | 168 | 6 | 1,570 | 14 3/4" | 2" | 1/4" | Yes | MSS-SP-58-2009, Type 8 | 0000000 | 00000 |
| 8 5/8" | 219 | 8 | 2,500 | 18 1/2" | 2" | 3/8" | Yes | MSS-SP-58-2009, Type 8 | 0000000 | 000000 |
| 10 3/4" | 273 | 10 | 2,500 | 20 1/4" | 2" | 3/8" | Yes | MSS-SP-58-2009, Type 8 | 0000000 | 000000 |
| 12 3/4" | 324 | 12 | 2,700 | 22 3/4" | 2" | 1/2" | Yes | MSS-SP-58-2009, Type 8 | 0000000 | 000000 |