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Selecting Clamps Using Pipe, Conduit, or Tubing Trade Size
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Polypropylene U-Channels
- Color: White
- Temperature Range: 45° to 210° F
- Tensile Strength: 4,060-4,930 psi (Poor)
- Impact Strength: 0.9-1.9 ft.-lbs./in. (Poor)
- Hardness: Rockwell R80-R90 (Hard)
- For Use Outdoors: No
- Specifications Met: ASTM D4101, UL 94 HB
Often used when fabricating guide rails and parts for use in laboratories, these U-channels have a hard, slippery surface that cuts easily without binding. Polypropylene won’t swell when exposed to water and is a good electrical insulator.
For technical drawings and 3-D models, click on a part number.
Strut-Mount Vibration-Damping Routing Clamps
Slide multiple clamps into existing strut channel to organize lines of pipe, tubing, and conduit without the need for drilling, welding, or using adhesive. Clamps have a plastic or rubber cushion or body to reduce vibration.
Polypropylene clamps are good for hydraulic applications. To install, slide into strut channel and fasten the mounting bolts into the included strut channel nuts. Clamps with 316 stainless steel top plates are more corrosion resistant than clamps with steel top plates.
Stacking clamps allow you to route multiple lines with different diameters on top of each other. They include fasteners and a plate for attaching to regular clamps or other stacking clamps. Stacking clamps cannot be used alone.
For technical drawings and 3-D models, click on a part number.
Clamps without Cushion
Polypropylene Clamp
Shown with Stacking
Clamp (Sold Separately)
Shown with Stacking
Clamp (Sold Separately)
Polypropylene Clamp
Clamps | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID | Stacking Clamps | ||||||||||||||
| Inch | Metric, mm | For Pipe Size  | Capacity | Lg. | Wd. | Ht. | Center Ht. | For Strut Channel Wd. | Mounting Fasteners Included | For Max. Pressure, psi | Temp. Range, °F | Each | Each | ||
Polypropylene Plastic with Zinc-Plated Steel Top Plate | |||||||||||||||
| 1/4" | 6 | __ | Not Rated | 1 7/16" | 1 3/16" | 1 11/16" | 9/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 00000000 | 00000 |
| 3/8" | 10 | __ | Not Rated | 1 7/16" | 1 3/16" | 1 11/16" | 9/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 0000 | 00000000 | 0000 |
| 1/2" | 13 | 1/8 | Not Rated | 1 5/8" | 1 3/16" | 1 15/16" | 5/8" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 0000 | 00000000 | 0000 |
| 9/16" | 14 | 1/4 | Not Rated | 1 5/8" | 1 3/16" | 1 15/16" | 5/8" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 0000 | 00000000 | 0000 |
| 5/8" | 16 | 1/4 | Not Rated | 1 5/8" | 1 3/16" | 1 15/16" | 5/8" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 0000 | 00000000 | 0000 |
| 11/16" | 17 | 3/8 | Not Rated | 1 5/8" | 1 3/16" | 1 15/16" | 5/8" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 0000 | 00000000 | 0000 |
| 3/4" | 19 | 3/8 | Not Rated | 2" | 1 3/16" | 2 1/16" | 11/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 0000 | 00000000 | 0000 |
| 13/16" | 21 | 1/2 | Not Rated | 2" | 1 3/16" | 2 1/16" | 11/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 0000 | 00000000 | 0000 |
| 7/8" | 22 | 1/2 | Not Rated | 2" | 1 3/16" | 2 1/16" | 11/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 0000 | 00000000 | 0000 |
| 1" | 25 | __ | Not Rated | 2" | 1 3/16" | 2 1/16" | 11/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 0000 | 00000000 | 0000 |
| 1 1/16" | 27 | 3/4 | Not Rated | 2 5/16" | 1 3/16" | 2 5/16" | 13/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 0000 | 00000000 | 0000 |
| 1 1/4" | 32 | __ | Not Rated | 2 13/16" | 1 3/16" | 2 15/16" | 1 1/8" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 0000 | 00000000 | 0000 |
| 1 5/16" | 33 | 1 | Not Rated | 2 13/16" | 1 3/16" | 2 15/16" | 1 1/8" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 0000 | 00000000 | 0000 |
| 1 1/2" | 38 | __ | Not Rated | 2 13/16" | 1 3/16" | 2 15/16" | 1 1/8" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 0000 | 00000000 | 0000 |
| 1 11/16" | 43 | 1 1/4 | Not Rated | 2 13/16" | 1 3/16" | 2 15/16" | 1 1/8" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 0000 | 00000000 | 0000 |
| 1 3/4" | 44 | 1 1/4 | Not Rated | 3 3/8" | 1 3/16" | 3 1/4" | 1 5/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 0000 | 00000000 | 00000 |
| 1 7/8" | 48 | 1 1/2 | Not Rated | 3 3/8" | 1 3/16" | 3 1/4" | 1 5/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 0000 | 00000000 | 00000 |
| 2" | 51 | 1 1/2 | Not Rated | 3 3/8" | 1 3/16" | 3 1/4" | 1 5/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 0000 | 00000000 | 00000 |
| 2 1/4" | 57 | __ | Not Rated | 4 3/4" | 1 3/16" | 4 3/8" | 1 13/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 00000000 | 00000 |
| 2 3/8" | 60 | 2 | Not Rated | 4 3/4" | 1 3/16" | 4 3/8" | 1 13/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 00000000 | 00000 |
| 2 1/2" | 64 | 2 | Not Rated | 4 3/4" | 1 3/16" | 4 3/8" | 1 13/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 00000000 | 00000 |
| 2 7/8" | 73 | 2 1/2 | Not Rated | 4 3/4" | 1 3/16" | 4 3/8" | 1 13/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 00000000 | 00000 |
| 3" | 76 | 2 1/2 | Not Rated | 4 3/4" | 1 3/16" | 4 3/8" | 1 13/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 00000000 | 00000 |
| 3 1/2" | 89 | 3 | Not Rated | 5 13/16" | 1 3/16" | 5 3/8" | 2 5/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 00000000 | 00000 |
| 4" | 102 | 3 1/2 | Not Rated | 5 13/16" | 1 3/16" | 5 3/8" | 2 5/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 00000000 | 00000 |
Polypropylene Plastic with 316 Stainless Steel Top Plate | |||||||||||||||
| 1/4" | 6 | __ | Not Rated | 1 7/16" | 1 3/16" | 1 11/16" | 9/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 3/8" | 10 | __ | Not Rated | 1 7/16" | 1 3/16" | 1 11/16" | 9/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 1/2" | 13 | 1/8 | Not Rated | 1 5/8" | 1 3/16" | 1 15/16" | 5/8" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 9/16" | 14 | 1/4 | Not Rated | 1 5/8" | 1 3/16" | 1 15/16" | 5/8" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 5/8" | 16 | 1/4 | Not Rated | 1 5/8" | 1 3/16" | 1 15/16" | 5/8" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 11/16" | 17 | 3/8 | Not Rated | 1 5/8" | 1 3/16" | 1 15/16" | 5/8" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 3/4" | 19 | 3/8 | Not Rated | 2" | 1 3/16" | 2 1/16" | 11/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 13/16" | 21 | 1/2 | Not Rated | 2" | 1 3/16" | 2 1/16" | 11/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 7/8" | 22 | 1/2 | Not Rated | 2" | 1 3/16" | 2 1/16" | 11/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 1" | 25 | __ | Not Rated | 2" | 1 3/16" | 2 1/16" | 11/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 1 1/16" | 27 | 3/4 | Not Rated | 2 5/16" | 1 3/16" | 2 5/16" | 13/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 1 1/4" | 32 | __ | Not Rated | 2 13/16" | 1 3/16" | 2 15/16" | 1 1/8" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 1 5/16" | 33 | 1 | Not Rated | 2 13/16" | 1 3/16" | 2 15/16" | 1 1/8" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 1 1/2" | 38 | __ | Not Rated | 2 13/16" | 1 3/16" | 2 15/16" | 1 1/8" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 1 11/16" | 43 | 1 1/4 | Not Rated | 2 13/16" | 1 3/16" | 2 15/16" | 1 1/8" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 1 3/4" | 44 | 1 1/4 | Not Rated | 3 3/8" | 1 3/16" | 3 1/4" | 1 5/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 1 7/8" | 48 | 1 1/2 | Not Rated | 3 3/8" | 1 3/16" | 3 1/4" | 1 5/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 2" | 51 | 1 1/2 | Not Rated | 3 3/8" | 1 3/16" | 3 1/4" | 1 5/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 2 1/4" | 57 | __ | Not Rated | 4 3/4" | 1 3/16" | 4 3/8" | 1 13/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 2 3/8" | 60 | 2 | Not Rated | 4 3/4" | 1 3/16" | 4 3/8" | 1 13/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 2 1/2" | 64 | 2 | Not Rated | 4 3/4" | 1 3/16" | 4 3/8" | 1 13/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 2 7/8" | 73 | 2 1/2 | Not Rated | 4 3/4" | 1 3/16" | 4 3/8" | 1 13/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 3" | 76 | 2 1/2 | Not Rated | 4 3/4" | 1 3/16" | 4 3/8" | 1 13/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 3 1/2" | 89 | 3 | Not Rated | 5 13/16" | 1 3/16" | 5 3/8" | 2 5/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |
| 4" | 102 | 3 1/2 | Not Rated | 5 13/16" | 1 3/16" | 5 3/8" | 2 5/16" | 1 5/8" | Yes | 2,000 | -20° to 190° | 0000000 | 00000 | 000000 | 00 |