I-Rod® / Nu-Bolt® specs
Detailed specifications for I-Rod® material and Nu-Bolt™ assembly
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Tech datasheets
U-bolt dimensions
| Nominal pipe size | Bolt stock Ø” | U-Bolt height | thread length | Inside gap | Leg center | I-Rod length | I-ROD hole Ø | I-ROD size | I-ROD height | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| in | mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | mm |
| 1/2" | 15 | 1/4" | 6 | 3-1/4 | 83 | 2-3/8 | 60 | 15/16 | 24 | 1-3/16 | 31 | 2-1/2 | 64 | 3/8 | 10 | 3/4 | 19 | 5/16 | 8 |
| 3/4" | 20 | 3-5/16 | 85 | 2-3/8 | 60 | 1-1/8 | 29 | 1-3/8 | 35 | 3 | 76 | 3/8 | 10 | 3/4 | 19 | 5/16 | 8 | ||
| 1” | 25 | 3-7/16 | 87 | 2-3/8 | 60 | 1-3/8 | 35 | 1-5/8 | 41 | 3 | 76 | 3/8 | 10 | 3/4 | 19 | 5/16 | 8 | ||
| 3/8” | 10 | 3-7/16 | 87 | 2-3/8 | 60 | 1-3/8 | 35 | 1-3/4 | 44 | 3 | 76 | 1/2 | 13 | 1 | 25 | 7/16 | 11 | ||
| 1-1/4" | 32 | 3-3/4 | 95 | 2-1/2 | 64 | 1-3/4 | 43 | 2-1/8 | 54 | 3-1/2 | 89 | 1/2 | 13 | 1 | 25 | 7/16 | 11 | ||
| 1-1/2” | 40 | 4 | 102 | 2-1/2 | 64 | 2 | 51 | 2-3/8 | 60 | 4 | 102 | 1/2 | 13 | 1 | 25 | 7/16 | 11 | ||
| 2” | 50 | 4.5 | 114 | 2-1/2 | 64 | 2-7/16 | 62 | 2-13/16 | 71 | 4-1/2 | 114 | 1/2 | 13 | 1 | 25 | 7/16 | 11 | ||
| 2-1/2" | 65 | 1/2” | 13 | 5-1/4 | 134 | 3 | 76 | 2-15/16 | 75 | 3-7/16 | 87 | 5 | 127 | 5/8 | 16 | 1 | 25 | 7/16 | 11 |
| 3” | 80 | 5-13/16 | 148 | 3 | 76 | 3-9/16 | 90 | 4-1/16 | 103 | 6 | 152 | 5/8 | 16 | 1 | 25 | 7/16 | 11 | ||
|
4" |
100 | 6-13/16 | 173 | 3 | 76 | 4-9/16 | 116 | 5-1/16 | 129 | 7 | 178 | 5/8 | 16 | 1 | 25 | 7/16 | 11 | ||
| 5" | 120 | 7-13/16 | 198 | 3 | 76 | 5-5/8 | 143 | 6-1/8 | 156 | 8 | 203 | 5/8 | 16 | 1 | 25 | 7/16 | 11 | ||
| 6" | 150 | 5/8” | 16 | 9-1/2 | 241 | 3-3/4 | 95 | 6-3/4 | 171 | 7-3/8 | 187 | 9 | 229 | 11/16 | 18 | 1 | 25 | 7/16 | 11 |
| 8" | 200 | 11-1/2 | 292 | 3-3/4 | 95 | 8-3/4 | 222 | 9-3/8 | 238 | 11 | 279 | 11/16 | 18 | 1 | 25 | 7/16 | 11 | ||
| 10" | 250 | 3/4” | 19 | 13-13/16 | 351 | 4 | 102 | 10-7/8 | 279 | 11-5/8 | 295 | 13-1/2 | 343 | 7/8 | 22 | 1-1/2 | 38 | 11/16 | 18 |
| 12" | 300 | 7/8” | 22 | 16-1/16 | 408 | 4-1/4 | 108 | 12-7/8 | 327 | 13-3/4 | 349 | 16 | 406 | 1 | 25 | 1-1/2 | 38 | 11/16 | 18 |
| 14" | 350 | 17-5/16 | 440 | 4-1/4 | 108 | 14-1/8 | 359 | 15 | 381 | 17 | 432 | 1 | 25 | 1-1/2 | 38 | 11/16 | 18 | ||
| 16" | 400 | 19-5/16 | 490 | 4-1/4 | 108 | 16-1/8 | 410 | 17 | 432 | 19 | 483 | 1 | 25 | 1-1/2 | 38 | 11/16 | 18 | ||
| 18" | 450 | 1” | 25 | 21-11/16 | 551 | 4-3/4 | 121 | 18-1/8 | 461 | 19-1/8 | 486 | 21-1/2 | 546 | 1-1/8 | 29 | 1-1/2 | 38 | 11/16 | 18 |
| 20" | 500 | 23-11/16 | 602 | 4-3/4 | 121 | 20-1/8 | 511 | 21-1/8 | 537 | 23-1/2 | 597 | 1-1/8 | 29 | 1-1/2 | 38 | 11/16 | 18 | ||
| 24" | 600 | 27-11/16 | 703 | 4-3/4 | 121 | 24-1/8 | 613 | 25-1/8 | 638 | 27-1/2 | 699 | 1-1/8 | 29 | 1-1/2 | 38 | 11/16 | 18 | ||
| 28" | 700 | 31-11/16 | 805 | 4-3/4 | 121 | 28-1/8 | 715 | 29-1/8 | 740 | 31-1/2 | 800 | 1-1/8 | 29 | 1-1/2 | 38 | 11/16 | 18 | ||
| 30" | 750 | 33-11/16 | 856 | 4-3/4 | 121 | 30-1/8 | 765 | 31-1/8 | 791 | 33.5 | 851 | 1-1/8 | 29 | 1-1/2 | 38 | 11/16 | 18 | ||
| 36" | 900 | 39-11/16 | 1008 | 4-3/4 | 121 | 36-1/8 | 918 | 37-1/8 | 943 | 39.5 | 1003 | 1-1/8 | 29 | 1-1/2 | 38 | 11/16 | 18 | ||
I-Rod specifications
| Material | I-Rod (White) | I-Rod HT (Amber) | PEEK (Tan) | ||||
|---|---|---|---|---|---|---|---|
| Property value | ASTM Test | Metric | Imperial | Metric | Imperial | Metric | Imperial |
| Density, 73º F (23º C) | D792 | 1.41 g/cm3 | 0.0509 lb/in3 | 1.28 g/cc | 0.0462 lb/in3 | 1.31 g/cm3 | 0.047 lb/in3 |
| Tensile strength, 73º F (23º C) | D638 | 64.8 MPa | 9,400 psi | 114 MPa | 16,500 psi | 110 MPa | 16 ksi |
| Tensile modulus of elasticity, 73º F (23ºC) |
D638 | 2.62 GPa | 380 ksi | 3.45 GPa | 500 ksi | 3.44 GPa | 500 ksi |
| Elongation (at break), 73º F (23ºC) |
D638 | 30-60% | 30-60% | 30-60% | 30-60% | 20% | 20% |
| Flexural modulus of elasticity, 73º F (23ºC) |
D790 | 2.76 GPa | 400 ksi | 3.45 GPa | 500 ksi | 6.89 GPa | 1000 ksi |
| Flexural strength, 73º F (23ºC) | D790 | 82.7 MPa | 13 ksi | 138 MPa | 20 ksi | 172 MPa | 25 ksi |
| Compressive strength, 10% def, 73º F (23ºC) |
D695 | 103 MPa | 15 ksi | 152 MPa | 22 ksi | 137 MPa | 20 ksi |
| Coefficient of friction (dry vs steel) | N/A QTM 55007 | 0.25 | 0.25 | 0.42 | 0.42 | 0.40 | 0.40 |
| IZOD Impact (notched), 73º F (23ºC) | D256 | .534 J/cm | 1 ft-lb/in of notch | .267 J/cm | 0.5 ft-lb/in of notch | .534 J/cm | 1.0 ft-lb/in of notch |
| Hardness, Rockwell, 73º F (23ºC) M/R |
D785 | 88/120 | 88/120 | 112/125 | 112/125 | 100/126 | M103 |
| Maximum service temperature | (Long Term) | 83 ºC | 181ºF | 171º C | 340º F | 249 ºC | 480 ºF |
| Deformation under load | D621 | 1.0% | 1.0% | - | - | - | - |
| Melting point | D3418 | 168º C | 329º F | 210º C | 410º F | 340 º C | 644 º F |
| Coefficient of linear expansion | E831 | 97.2 µm/m/ºC | 54 µin/in/ºF | 55.8 µm/m/ºC | 31 µin/in/ºF | - | - |
| Heat deflection temperature, 264 psi |
D648 | 104 ºC | 220ºF | 204 ºC | 400ºF | 160 ºC | 320 ºF |
| Flammability rating | VL94 | HB | HB | V-0 | V-0 | V--0 | V--0 |
| Dielectric strength, short term | D149 | 16.5 kV/mm | 420 V/mil | 32.7 kV/mm | 830 V/mil | 18.9 kV/mm | 480 V/mil- |
Polyolefin specifications
| Property Value | ASTM Test | Metric | Imperial |
|---|---|---|---|
| Max continuous operating temp | 110 °C | 230 °F | |
| Min continuous operating temp | -55 °C | -67 °F | |
| Tensile strength | D412 ISO 37 | 14.47 MPa | 2,100 psi |
| Elongation | D412 ISO 37 | 550% | 550% |
| Longitudinal change | D2671 | +1%, -10% | +1%, -10% |
| Specific gravity | D792 ISO/R1183 | 1.1 | 1.1 |
| Elongation after heat aging (168 hrs @ 150º C) | D2671 ISO 37 | 500% | 500% |
| Heat shock (4 hrs @ 225º C) | D2671 | No cracking /flowing | No cracking /flowing |
| Low-temperature flexibility (4 hrs @ -55º C) | D2671 | No cracking | No cracking |
| Hardness | D2240 | 50D | 50D |
| Dielectric strength | D149 IEC 243 | 500 KV/mm | 12,700 volts/mil |
| Dielectric voltage withstand (2500V, 6-Hz, 1 min) | UL 486D | No breakdown | No breakdown |
| Volume resistivity | D257 | 1016 Ohm/cm | 1016 Ohm/cm |
| Fluid resistance | MIL-DTL 23053/5, ISO 1817 ISO 37 | Good to excellent | Good to excellent |
| Copper corrosion | D2671 | No corrosion | No corrosion |
| Water absorption | D570 | 0.1% | 0.1% |
| Fungus resistance | G21 | No growth | No growth |
| Adhesive softening point | E28 | 92 +/- 5 °C | 197 +/- 10 ºF |
| Adhesive peel strength (300mm/min @ 23º C) | D1000 | - | - |
| -to steel, alum, P.E. | D1000 | 61 N/cm | 35 pli |
| -to PVC | D1000 | 35 N/cm | 20 pli |
| Adhesive lap shear (1 in / min at 23º C) | D1002 mod | 0.86 MPa | 125 psi |
| Adhesive blocking (30º C) | D1146 | No blocking | No blocking |
| Water penetration | STM 706 | No penetration after 286 hrs minimum of cont. immersion | |
U-bolt weights and loads
| Nominal pipe size | Bolt stock Ø” | Max recommended load @ 650ºF | Max recommended load @ 750ºF | Approximate weight with nuts (does not include I-Rod) | |||||
|---|---|---|---|---|---|---|---|---|---|
| in | mm | in | mm | lbs. | kg | lbs. | kg | lbs. | kg |
| 1/2" | 15 | 1/4" | 6 | 485 | 220 | 435 | 195 | 0.11 | 0.05 |
| 3/4" | 20 | 0.12 | 0.06 | ||||||
| 1” | 25 | 0.06 | |||||||
| 3/8” | 10 | 1220 | 550 | 1090 | 495 | 0.28 | 0.13 | ||
| 1-1/4" | 32 | 0.30 | 0.14 | ||||||
| 1-1/2” | 40 | 0.33 | 0,15 | ||||||
| 2” | 50 | 0.73 | 0.33 | ||||||
| 2-1/2" | 65 | 1/2” | 13 | 2260 | 1025 | 2020 | 915 | 0.78 | 0.35 |
| 3” | 80 | 0.84 | 0.38 | ||||||
|
4" |
100 | 0.90 | 0.41 | ||||||
| 5" | 120 | 1.00 | 0.45 | ||||||
| 6" | 150 | 5/8” | 16 | 3620 | 1645 | 3230 | 1465 | 2.00 | 0.90 |
| 8" | 200 | 2.30 | 1.04 | ||||||
| 10" | 250 | 3/4” | 19 | 5420 | 2460 | 4830 | 2195 | 4.90 | 2.23 |
| 12" | 300 | 7/8” | 22 | 7540 | 3425 | 673 | 3050 | 7.70 | 3.50 |
| 14" | 350 | 8.30 | 3.77 | ||||||
| 16" | 400 | 9.20 | 4.18 | ||||||
| 18" | 450 | 1” | 25 | 9920 | 4500 | 8850 | 4020 | 13.5 | 6.14 |
| 20" | 500 | 14.6 | 6.63 | ||||||
| 24" | 600 | 16.9 | 7.68 | ||||||
| 28" | 700 | 18.0 | 8.18 | ||||||
| 30" | 750 | 19.1 | 8.68 | ||||||
| 36" | 900 | 23.2 | 10.54 | ||||||
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