4V-SH
The 4V-SH is a large-capacity anti-seismic spring mount from AMC Mecanocaucho, combining a high-elasticity coil spring with a built-in Sylomer pad to isolate low-frequency vibration from heavy mechanical plant. Seven load-rated variants cover loads from 268 to 1,784 kg per mount, achieving natural frequencies between 2 and 5 Hz.
Specifications
- Variants: 4V-SH 268, 4V-SH 380, 4V-SH 492, 4V-SH 692, 4V-SH 892, 4V-SH 1340, 4V-SH 1784
- Maximum load capacity: 268 kg to 1,784 kg per mount (variant dependent)
- Natural frequency range: 2 to 5 Hz
- Levelling bolt thread: M20
- Overall height (H): 288 mm
- Base width (A): 250 mm
- Base height (B): 180 mm
- Operating temperature: -30 to 70 degrees Celsius (short-term higher temperatures permissible)
- Mount weight: 11.15 to 13.73 kg (variant dependent)
- Spring colour: Blue, White, Black, Beige, Red, Grey, Green (variant dependent)
Applications
Suited to isolation of large chillers, cooling towers, air handling units, compressors, and heavy rotating plant. The incorporated levelling system allows precise height adjustment after installation, and the non-slip rubber base prevents lateral movement on plant-room floors. The Sylomer pad provides second-stage attenuation of mid and high-frequency structure-borne noise.
Frequently asked questions
How does the 4V-SH differ from the 3V-SR?
The 4V-SH handles lighter loads (268 to 1,784 kg) and achieves a lower natural frequency floor (2 Hz) compared to the 3V-SR (1,950 to 3,600 kg at 3 to 5 Hz).
What does the Sylomer pad do?
The Sylomer pad under the base attenuates mid and high-frequency vibration that passes through the steel coil spring, providing a dual-stage isolation response.
Can the temperature rating be exceeded?
The mount is rated for continuous operation from -30 to 70 degrees Celsius. Short-term higher temperatures are permissible; sustained operation above 70 degrees Celsius is not recommended.
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.