Backpack Vibrators |
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| 2 Stroke | 4 Stroke | |
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2 - Stroke |
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When concrete consolidation is required for site applications, there's nothing like a Northrock Backpack Vibrator System. These units are designed for use where extra mobility is desired. No tangled air hoses or electrical extension cords. |
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SPECIFICATIONS |
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| Engine | 50cc Gasoline - 2-1/2 hp | ||
| Flexible Shafts | 0.6m, 1.5m, 2.1m, 3.0m, 4.2m, 6.3m & 9.0m | ||
| Vibrator Heads* | 20mm, 25 mm, 38 mm, 44 mm. | ||
| Vibration Frequency | 10,000 vpm | ||
*As a rule of thumb, the head size of the backpack vibrator system should be selected to match the maximum aggregate size of the pour. |
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A short 19mm head is available for slabs, tilt-up and other precast work. Coated heads from 25mm to 50mm diameter are available to protect rebar and soft tips are available to protect expansive forms. |
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| Code | Description | |||
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76PRO-BP-HD19 |
PRO 50 BACKPACK HD19 mm | |||
| 76PRO-BP-HD25 | PRO 50 BACKPACK HD 25 mm | |||
| 76PRO-BP-HD38 | PRO 50 BACKPACK HD 38 mm | |||
| 76PRO-BP-HD45 | PRO 50 BACKPACK HD 45 mm | |||
| 76PRO-BP-HD50 | PRO 50 BACKPACK HD 50 mm | |||
Slab Head |
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| 76PRO-BP-HD45S | Slab Head 45mm for Backpack Unit | |||
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Northrock Backpack Vibrator Systems offer a choice of standard heavy-duty shafts for better pokeability and light-duty pencil shafts for better flexibility. They are available in lengths of 2.1, 3.0 and 4.2 meters. |
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| Code | Description | |||
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| 76PRO- BP-SH-2.1 | PRO 2.1 M Backpack Unit Shaft | |||
| 76PRO- BP-SH-3.0 | PRO 3.0 M Backpack Unit Shaft | |||
| 76PRO- BP-SH-4.2 | PRO 4.2 M Backpack Unit Shaft |
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4 - Stroke |
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High efficiency synchronous drive belt transmission with cast aluminum housing that steps up engine speed to achieve optimal vibrations per minute. |
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A short 19mm head is available for slabs, tilt-up and other precast work. Coated heads from 25mm 50mm diameter are available to protect rebar and soft tips are available to protect expansive forms. |
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| Code | Description | |||
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| 76PRO-HD20 | Northrock Vibrating Head 20 mm |
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76PRO-HD25 |
Northrock Vibrating Head 25 mm | |||
| 76PRO-HD38 | Northrock Vibrating Head 38 mm | |||
| 76PRO-HD45 | Northrock Vibrating Head 45 mm | |||
| 76PRO-HD50 | Northrock Vibrating Head 50 mm | |||
| 76PRO-HD65 | Northrock Vibrating Head 65 mm | |||
| 76PRO-HD45S | Northrock Vibrating Slab Head 45 mm |
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Northrock Vibrator Systems offer a choice of standard heavy-duty shafts for better pokeability and light-duty pencil shafts for better flexibility. |
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| Code | Description | |||
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| 76PRO-SH-0.6M | Northrock Shaft 0.6 M (2ft) |
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| 76PRO-SH-1.5M | Northrock Shaft 1.5 M (5ft) | |||
| 76PRO-SH-2.1M | Northrock Shaft 2.1 M (7ft) | |||
| 76PRO-SH-3.0M | Northrock Shaft 3.0 M (10ft) | |||
| 76PRO-SH-4.2M | Northrock Shaft 4.2M (14ft) | |||
| 76PRO-SH-6.3M | Northrock Shaft 6.3 M (21ft) | |||
| 76PRO-SH-9.0M | Northrock Shaft 9.0 M (30ft) | |||
| For smaller size heads, pencils shafts are required | ||||
| 76PRO-SH-2.1P | Northrock Pencil Shaft 2.1M (7ft) | |||
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The Shafts can be joined to make any length using Shaft Joiners. |
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Head Dia & Length |
Centrifugal Force | Amplitude to side at tip | Radius of Influence | Capacity | |
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| (mm) | (N) | (mm) | (mm) | (m³/hr) | |
19 x 305 |
498 | 1.78 | 102 | 3.64 | |
| 25 x 330 | 820 | 1.91 | 127 | 5.46 | |
| 32 x 330 | 1,913 | 2.03 | 178 | 7.28 | |
| 38 x 356 | 3,380 | 2.29 | 356 | 10.92 | |
| 44 x 356 | 4,893 | 2.79 | 457 | 21.84 | |
| 51 x 356 | 6,450 | 3.30 | 559 | 31.85 |