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- Restrained Spring Mounts - VRA4
Restrained Spring Mounts - VRA4
Restrained Spring Mounts - VRA4
The VRH4 series of spring vibration isolators are designed with four springs, steel plates, and rubber mats. These components are connected by side guide threads that join the upper cover and base support, controlling both vertical and horizontal movements. The rubber mat on the base plate isolates higher frequencies and has anti-skid properties.
Applications
The VRH4 series is suitable for use with pumps, cooling towers, chillers, and HVAC plant equipment.
Specifications
- Model: VRA4-1000 to VRA4-6000
- Outer Size: A (331 mm), B (184 mm), C (150 mm), D (265 mm), E (110 mm), F (110 mm), H* (268 mm), D1 (Ø18 mm), D2 (M14 mm), S (M27x80 mm)
- Unloaded Height: H* (268 mm)
Model Load and Performance
| Model | Load (kg) | Load (lbs) | Deflection (mm) | Vertical Stiffness (kg/mm) | Vertical Stiffness (lbs/in) |
|---|---|---|---|---|---|
| VRA4-1000 | 1000 | 2204 | 50 | 20.0 | 1102 |
| VRA4-2000 | 2000 | 4409 | 40.0 | 2204 | |
| VRA4-2700 | 2700 | 5952 | 54.0 | 2976 | |
| VRA4-3200 | 3200 | 7054 | 64.0 | 3527 | |
| VRA4-4000 | 4000 | 8818 | 80.0 | 4409 | |
| VRA4-4400 | 4400 | 9700 | 88.0 | 4850 | |
| VRA4-5000 | 5000 | 11022 | 100.0 | 5511 | |
| VRA4-5500 | 5500 | 12125 | 110.0 | 6062 | |
| VRA4-6000 | 6000 | 13227 | 120.0 | 6613 |
Catalog excerpts
Restrained Spring Mounts Product Description The VRH4 series of spring vibration isolators are made up with 4 springs, steel plates and rubber mats. The two side connecting guide threads join the upper cover and base support together to restrain vertical movement. The threads also provide control of the horizontal movement. The rubber mat on the base plate is used to isolate higher frequencies and has anti-skid properties. Applications Pumps, cooling towers, chillers and HVAC plant equipment. Deflection Vertical Stiffness Vertical Stiffness (mm) (kg/mm) (lbs/in) Outer Size (±2mm ±5/64”) Model VRA4-1000 ~ VRA4-6000 Errors and Omissions Excepted (E&OE). * unloaded height Web: www.iac-acoustics.com Email: [email protected] Shop: View our online shop for
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