VT-HD
The VT-HD is a high-deflection acoustic spring hanger from AMC Mecanocaucho for suspending acoustic ceilings and mechanical plant where a very high level of vibration isolation is required. Eight load variants span 67 kg to 700 kg, with a 50 mm deflection capacity and natural frequencies from 2 Hz to 5 Hz across the range.
Specifications
- Maximum permanent load range: 67 kg to 700 kg (8 models)
- Natural frequency range: 2 Hz to 5 Hz (at optimal load)
- Spring deflection capacity: 50 mm
- Spring stiffness range: 13 N/mm (VT-67 HD) to 88 N/mm (VT-446 HD)
- Threaded rod clearance: 35-degree angle envelope to accommodate ceiling irregularities
- Coating: zinc-plated anti-corrosive finish on all metallic parts
- Rubber bush: integrated to eliminate acoustic bridges and compensate for rod misalignment
Applications
The VT-HD is suited to acoustic ceiling suspensions and mechanical plant installations where the load is substantial and the isolation target is demanding. Typical mechanical applications include HVAC equipment, pumps, pipe runs, and compressors. The combination of 50 mm deflection and natural frequencies from 2 Hz to 5 Hz makes it appropriate for environments with significant low-frequency vibration sources.
Frequently asked questions
What distinguishes the VT-HD from the standard VT hanger?
The VT-HD offers greater deflection (50 mm), a lower achievable natural frequency (down to 2 Hz), and higher load capacities (67 to 700 kg). The standard VT range covers lighter loads and is suited to applications where a moderate isolation level is sufficient.
How does the rubber bush improve isolation performance?
The rubber bush sits between the metal components of the hanger and breaks the direct metal-to-metal contact. This prevents acoustic bridges, which would otherwise conduct high-frequency noise directly into the ceiling structure, bypassing the spring isolation.
Is installation straightforward?
Yes. The hanger fastens directly to the ceiling through its top hole, and a stud bolt seats into the nut positioned above the spring. The 35-degree rod swing envelope accommodates minor ceiling irregularities without special fitting.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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FAQs
What is your return policy?
All refunds and returns are determined by the manufacturer's terms of sale. Change-of-mind refunds are not accepted, but all valid warranty claims will be managed by AKA Acoustics in compliance with consumer law.
How long will it take to receive my order?
Freight lead times will be provided upon order confirmation. Standard items typically ship within 4–6 weeks, while custom orders may take 6–12 weeks.
Is my payment information secure?
Yes, all payments are securely processed through Stripe and are protected under their Terms of Service. AKA Acoustics do not store any payment information ourselves.
How are freight costs calculated?
Freight costs are determined at the time of quotation to ensure accurate pricing based on your specific order. For any questions, please email sales@akaacoustics.com
How can I contact support?
For account inquiries, email accounts@akaacoustics.com. For order support, email sales@akaacoustics.com.