Machinery Vibration Control and Equipment Isolation

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Reduce Structural Vibration, Noise and Mechanical Stress at the Source

Industrial machinery and equipment generate continuous vibration and structure-borne noise that transfers into floors, foundations, and surrounding structures, causing increased equipment wear, reduced operational accuracy, higher noise levels, and long-term stress on both machinery and buildings. Proper vibration isolation breaks this transmission path by decoupling equipment from the supporting structure using engineered spring isolators, elastomeric mounts, anti-vibration pads, and specialised mounting systems that absorb, damp, and control vibration at the source before it can propagate.

Spring Mounts

Spring isolators are engineered for low-frequency vibration control in heavy machinery and industrial equipment operating under dynamic loads. They provide high-efficiency isolation for applications where precision, stability, and structural protection are critical.

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Elastomeric Mounts

Elastomeric mounts use rubber-based damping to absorb and reduce medium-frequency vibration and noise from machinery. They are ideal for general industrial and HVAC applications where flexible, maintenance-free isolation is required.

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Isolation Pads

Isolation pads and foundation systems provide simple, surface-level vibration control by decoupling equipment from floors and structural bases. They are widely used for fast installation and cost-effective vibration and noise reduction in machinery environments.

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Spring Mounts

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For heavy machinery, industrial equipment, and low-RPM vibration control

A free-standing spring isolator designed to reduce low-frequency vibration generated by machinery and mechanical equipment. It provides reliable vibration isolation for light to medium loads while helping protect surrounding structures from transmitted vibration.

€45,90
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A restrained spring isolator that combines effective vibration control with additional equipment stability. It is well-suited to machinery that may be exposed to movement, start-up forces, or changing operating conditions.

€74,27
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A heavy-duty restrained spring isolator developed for larger equipment requiring both vibration reduction and structural stability. It helps control low-frequency vibration while limiting excessive equipment movement during operation.

€255,53
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A damped spring isolator engineered to reduce vibration while helping control resonance and transient movement. It is ideal for applications where operating conditions can create fluctuating dynamic forces.

€879,84
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A spring isolator designed to reduce low-frequency vibration generated by hanging machinery and mechanical equipment. It provides reliable vibration isolation for light to medium loads while helping protect surrounding structures from transmitted vibration.

€15,55
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A low-profile multi-spring isolator designed for installations where space is limited but effective vibration control is required. Its compact design delivers reliable low-frequency isolation without increasing installation height.

€99,79
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A heavy-duty multi-spring isolator built for machinery with high operating loads and demanding performance requirements. It provides excellent vibration isolation while supporting very heavy equipment safely and efficiently.

€655,75
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A restrained multi-spring isolator that combines low-frequency vibration isolation with enhanced multi-directional restraint. It is suitable for equipment requiring both vibration control and additional protection against movement.

€142,34
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Elastomeric Mounts

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For general machinery vibration control, complex vibration paths and multi-directional loads

A rubber-metal vibration mount designed to reduce medium-frequency vibration generated by rotating machinery and equipment. Its compact construction provides dependable damping while helping minimise transmitted vibration and noise.

€4,78
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A suspended vibration isolator developed for equipment mounted above floor level or attached to building structures. It helps reduce vibration transfer through ceilings, pipework, ductwork, and suspended services.

€19,81
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A specialised vibration mount designed to provide effective isolation in all three axes of movement. It is ideal for equipment exposed to complex vibration patterns, shock loads, or multi-directional forces.

€64,91
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An elastomeric vibration mount developed for general machinery isolation across a wide range of industrial applications. It provides effective vibration damping while supporting stable and reliable equipment operation.

€36,26
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A heavy-duty elastomeric mount designed for machinery requiring enhanced vibration damping and load capacity. It helps reduce mechanical stress, structure-borne vibration, and unwanted equipment movement.

€43,63
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A robust elastomeric mount engineered to perform under both compression and shear loading conditions. It delivers effective vibration isolation where machinery generates forces in multiple directions.

€23,21
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Isolation Pads

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For direct placement, floating floors, and structural decoupling

A versatile anti-vibration isolation pad designed to reduce vibration transfer between equipment and supporting surfaces. It is suitable for a wide range of machinery installations where simple and effective isolation is required.

€9,02
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A steel-reinforced isolation pad developed for applications requiring improved load distribution and structural support. It combines vibration reduction with increased stability for heavier equipment installations.

€18,96
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A reinforced anti-vibration pad designed to provide both vibration isolation and enhanced equipment stability. Its anti-slip construction makes it particularly suitable for machinery exposed to dynamic operating forces.

€51,58
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A heavy-duty isolation pad engineered for industrial environments where effective vibration damping is essential. It helps reduce vibration transmission while supporting reliable long-term machinery performance.

€45,90
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A high-capacity block isolator developed for foundation isolation and heavy machinery installations. It helps separate vibration-sensitive equipment from surrounding structures while supporting substantial loads.

€9,02
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Which Vibration Isolation Solution Is Right for You?

Choosing the right vibration isolator depends on your equipment, operating frequency, load, and installation requirements. Use the comparison below to quickly identify whether spring mounts, elastomeric mounts, or isolation pads are the most suitable solution for your application before exploring the full product range.

Spring Mounts

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Elastomeric Mounts

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Isolation Pads

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Load Capacity

Load

Heavy

Medium

Light

Frequency Range

Frequency

Low

Medium

High

Isolation Efficiency

Isolation

Excellent

Very Good

Good

Vibration Damping

Vibration

Good

Excellent

Very Good

Installation Ease

Installation

Moderate

Easy

Easiest

Relative Cost

Cost

High

Medium

Low

Need help choosing? Contact us for a personalised recommendation based on your equipment weight, operating speed and installation requirements.

Common Applications for Machinery Vibration Control

Industrial Machinery & Manufacturing Equipment

Machinery vibration control is essential in manufacturing environments where continuous operation, dynamic loads, and precision requirements demand stable equipment performance. Proper vibration isolation reduces mechanical stress, improves accuracy, and helps extend machinery service life.
 

Typical applications:

  • CNC machines and machining centres
  • Metalworking and fabrication equipment
  • Presses and stamping machines
  • Injection moulding machines
  • Packaging and processing lines
  • Conveyors and material handling systems
  • Industrial mixers and agitators
  • Textile and printing machinery
  • Production and assembly equipment

HVAC & Building Services Equipment

HVAC systems generate continuous vibration that can travel through floors, walls, and structural elements, creating unwanted noise and reducing equipment efficiency. Vibration isolators help decouple equipment from the building structure and minimise structure-borne noise transmission.

 

Typical applications:

  • Air handling units (AHUs)
  • Chillers
  • Cooling towers
  • HVAC rooftop equipment
  • Ventilation units and fans
  • Pumps and circulation systems
  • Heat pumps
  • Refrigeration equipment
  • Building service plant rooms

Power Generation and Rotating Equipment

Rotating equipment produces dynamic forces that can cause excessive vibration, resonance, and long-term structural fatigue. Proper machine vibration isolation improves operational stability and protects both equipment and supporting structures.
 

Typical applications:

  • Generators and generator sets
  • Diesel and gas engines
  • Compressors
  • Turbines
  • Blowers and industrial fans
  • Electric motors
  • Reciprocating machinery
  • Test benches and mechanical equipment
  • Energy production facilities

 

Suspended Systems and Structural Isolation

Specialised vibration isolation systems are used where equipment is suspended, mounted on structures, or requires protection from multi-directional vibration and shock loads. These solutions help reduce vibration transfer throughout the building and improve overall acoustic comfort.

 

Typical applications:

  • Suspended mechanical equipment
  • Pipework and piping systems
  • Ductwork and ventilation networks
  • Ceiling-mounted equipment
  • Floating floors and machine foundations
  • Technical rooms and plant platforms
  • Marine and transport equipment
  • Seismic protection systems
  • Structural vibration control installations

Key Performance Criteria for Machinery and Equipment Isolation

Selecting the correct vibration isolation solution is not simply a matter of choosing the strongest mount or the thickest anti-vibration pad. Effective machinery vibration control depends on matching the isolator's performance characteristics to the machine's operating conditions, load requirements, and environmental exposure.

 

Understanding the key specifications below will help you choose the most effective vibration isolation system for your equipment.

Load Capacity

Load capacity refers to the amount of weight an isolator can safely support while maintaining its designed performance characteristics.

 

Every vibration isolator is designed to operate within a specific load range. If the applied load is too low, the isolator may not deflect sufficiently to achieve effective vibration reduction. If the load is too high, excessive compression can reduce isolation efficiency and shorten service life.

When selecting an isolator:

  • Determine the total operating weight of the equipment, including fluids, tooling, and accessories.
  • Divide the total load by the number of mounting points.
  • Ensure each mount operates within its recommended load range.
  • Consider dynamic loads caused by start-up, shutdown, impact forces, or process variations.

For heavy machinery such as generators, compressors, presses, and industrial production equipment, higher-capacity spring isolators or reinforced elastomeric mounts are often required.

Natural Frequency

Natural frequency is one of the most important specifications in vibration isolation.

 

Every isolator has its own natural frequency, measured in Hertz (Hz). For effective vibration control, the isolator's natural frequency should be significantly lower than the machine's operating frequency.
 

As a general rule:

  • A frequency ratio of at least 3:1 is recommended.
  • Higher ratios typically provide greater vibration isolation efficiency.
  • Low-speed equipment often requires spring isolators with very low natural frequencies.
  • Higher-speed machinery can often be isolated effectively using elastomeric mounts.

Failure to achieve sufficient separation between operating and natural frequencies can result in resonance, which amplifies vibration instead of reducing it.

Static Deflection

Static deflection describes how much an isolator compresses under its normal working load.

 

It is one of the simplest indicators of low-frequency isolation performance.

In general:

  • Greater static deflection produces lower natural frequency.
  • Lower natural frequency improves isolation of slow-running machinery.
  • Spring isolators typically achieve larger deflections than rubber mounts.

For applications involving generators, chillers, large pumps, compressors, and heavy industrial equipment, isolators with higher static deflection often provide superior low-frequency vibration control.

Vibration Isolation Efficiency

Isolation efficiency indicates the percentage of vibration prevented from transferring into the supporting structure.

 

Typical performance levels include:

  • 60–80% isolation for basic vibration reduction.
  • 80–95% isolation for most industrial applications.
  • Over 95% isolation for sensitive equipment or low-frequency machinery.

The actual isolation achieved depends on the relationship between operating frequency, isolator natural frequency, equipment weight, and installation conditions.

Damping Characteristics

Damping determines how quickly vibration energy is dissipated within the isolator.

Different materials provide different damping behaviour:

  • Elastomeric mounts provide excellent damping and are highly effective for medium- and high-frequency vibration.
  • Spring isolators provide superior low-frequency isolation but often incorporate damping elements to control resonance.
  • Hybrid systems combine both technologies to achieve a balance of isolation and stability.

Applications subject to shock loads, frequent starts and stops, or variable operating speeds often benefit from higher damping characteristics.

Compression, Shear and Multi-Directional Performance

Vibration forces rarely occur in a single direction. Depending on the equipment, isolators may be required to control:

  • Vertical vibration (compression loads)
  • Horizontal movement (shear loads)
  • Multi-axis vibration and shock forces

Machines such as pumps, engines, compressors, marine equipment, and rotating machinery frequently generate forces in multiple directions. In these cases, specialised mounts designed for combined compression and shear loading provide improved vibration control and equipment stability.

Environmental Resistance

Industrial environments can expose vibration isolators to challenging operating conditions. Key environmental factors include:

  • Outdoor weather exposure
  • Moisture and humidity
  • UV radiation
  • Oil and fuel contamination
  • Chemicals and cleaning agents
  • Temperature extremes

For outdoor installations such as HVAC equipment, cooling towers, heat pumps, and rooftop plant, weather-resistant materials and corrosion-protected components are essential for long-term reliability.

Restraint and Stability Requirements

Some equipment requires more than vibration isolation alone. Machines exposed to:

  • Wind loading
  • Seismic activity
  • Torque reactions
  • Sudden start-up forces
  • Equipment movement during operation

may require restrained spring isolators or specialised mounting systems that combine vibration control with structural restraint.

These systems prevent excessive movement while maintaining effective vibration isolation.

Every application presents its own challenges, and selecting the right isolator often requires balancing load requirements, operating frequencies, environmental conditions, and installation constraints. If you need assistance, our specialists can help assess your equipment and recommend the most effective solution. Contact our team for personalised consultation and expert advice to ensure optimal vibration control, equipment protection, and long-term performance.

Who Are These Products For?

HVAC Engineers and M&E Contractors

Mechanical and HVAC systems are among the most common sources of structure-borne vibration in commercial and industrial buildings. Engineers and contractors responsible for chillers, air handling units, pumps, cooling towers, ventilation equipment, and rooftop plant use vibration isolation solutions to minimise noise transmission, protect building structures, and ensure reliable long-term system performance.

Industrial Engineers and Manufacturing Facilities

Manufacturing and industrial facilities rely on vibration control to improve equipment reliability, maintain operational accuracy, and reduce mechanical wear. Whether supporting CNC machines, presses, compressors, generators, conveyors, or production lines, vibration isolation helps minimise downtime, improve workplace conditions, and protect both machinery and supporting structures from excessive dynamic forces.

Building and Infrastructure Professionals

Facilities managers, building operators, consultants, architects, and building services designers use vibration isolation systems to improve overall building performance and occupant comfort. By controlling vibration from mechanical plant, technical rooms, pipework, and building services, they can reduce noise complaints, protect sensitive spaces, extend equipment lifespan, and avoid costly remedial work later in a project's lifecycle.

Equipment Manufacturers and OEMs

Equipment manufacturers integrate vibration isolation into machinery designs to improve product performance, reduce transmitted vibration, and protect sensitive components. From motors and pumps to specialist industrial equipment, OEMs use isolation systems to enhance reliability, lower operating noise, and deliver equipment that meets increasingly demanding performance and quality expectations.

Why Choose DECIBEL for Machinery Vibration Control?

Expert Engineering Support

Selecting the correct vibration isolation solution depends on equipment loads, operating frequencies, installation conditions, and performance targets. Our specialists help identify the most suitable products for your specific machinery, HVAC, or industrial application.

Comprehensive Product Range

From spring isolators and elastomeric mounts to anti-vibration pads, foundation isolation systems, and suspended equipment supports, DECIBEL offers solutions for virtually every machinery and equipment isolation requirement.

Fast Delivery

We maintain stock of many of our most popular vibration isolation products, enabling fast and reliable delivery. This helps contractors, engineers, and facility managers keep projects on schedule and minimise installation delays.

Proven Industrial Performance

Our vibration isolation solutions are used in manufacturing facilities, HVAC installations, power generation plants, technical buildings, and infrastructure projects worldwide. Designed for demanding environments, they help reduce vibration, protect equipment, and improve long-term operational reliability.

What Do Our Customers Think?

Relevant Standards, Codes and Compliance Requirements

Vibration isolation systems are often specified to support compliance with European and national requirements relating to machinery safety, building acoustics, HVAC performance, structural protection, and workplace comfort. While vibration isolators are rarely certified against a single project standard, selecting the correct isolation system can play a critical role in meeting vibration, noise, and equipment performance objectives.

Machinery Safety and Equipment Performance

Across the European Union, machinery manufacturers and industrial facilities must consider vibration, stability, and operational safety throughout the equipment lifecycle.

If your project falls under:

  • Machinery Regulation (EU) 2023/1230
  • EN ISO 12100 – Safety of Machinery
  • EN 60204-1 – Safety of Machinery – Electrical Equipment of Machines
  • CE Marking requirements

look for vibration isolation solutions with appropriate load capacity, restraint characteristics, and long-term durability. Proper vibration control can help reduce mechanical stress, improve equipment stability, and support safer machine operation.

HVAC, Building Services and Technical Installations

Mechanical building services throughout Europe are typically designed to limit vibration transmission and prevent structure-borne noise from affecting occupants. For projects designed in accordance with:

  • EN 378 – Refrigeration Systems and Heat Pumps
  • EN 1886 – Air Handling Units
  • Eurovent performance guidelines
  • REHVA design recommendations

consider isolators selected according to operating frequency, equipment weight, and installation conditions. Low-frequency spring isolators are commonly used for chillers, AHUs, cooling towers, and rooftop plant, while elastomeric mounts are often suitable for pumps, fans, and smaller mechanical equipment.

Building Acoustics and Environmental Noise Control

Static deflection describes how much an isolator compresses under its normal working load.

 

It is one of the simplest indicators of low-frequency isolation performance.

In general:

  • Greater static deflection produces lower natural frequency.
  • Lower natural frequency improves isolation of slow-running machinery.
  • Spring isolators typically achieve larger deflections than rubber mounts.

For applications involving generators, chillers, large pumps, compressors, and heavy industrial equipment, isolators with higher static deflection often provide superior low-frequency vibration control.

Vibration Isolation Efficiency

Many European projects include acoustic performance targets that require effective vibration isolation of mechanical and industrial equipment. Where compliance is required with:

  • EN ISO 12354 – Building Acoustics
  • Environmental Noise Directive 2002/49/EC
  • National acoustic regulations and local planning requirements

look for vibration isolation systems capable of minimising structure-borne noise transmission. Natural frequency, static deflection, and isolation efficiency are often the most important selection criteria when designing for acoustic performance.

Structural Protection and Critical Infrastructure

Sensitive buildings, technical facilities, and industrial installations frequently require additional protection against vibration-related structural loading. For projects involving:

  • Technical rooms and data centres
  • Industrial production facilities
  • Energy generation infrastructure
  • Sensitive laboratory or research environments

consider solutions offering low natural frequencies, high load capacities, and multi-directional vibration control. Foundation isolation systems and restrained spring isolators are commonly used where long-term structural protection is required.

UK-Specific Requirements

For projects located in the United Kingdom, vibration isolation may also contribute to compliance with:

  • BS 8233 – Guidance on Sound Insulation and Noise Reduction
  • Approved Document E – Resistance to the Passage of Sound
  • CIBSE Guidance
  • BSRIA Design Recommendations

In these applications, equipment operating frequency, vibration isolation efficiency, and structure-borne noise control are often key design considerations.

North American Requirements

For projects in the United States and Canada, vibration isolation is commonly specified as part of mechanical system design, building acoustics, and equipment performance requirements. Where compliance is required with:

  • ASHRAE Guidelines – HVAC system vibration and noise control
  • IBC (International Building Code) requirements for mechanical equipment and seismic restraint
  • SMACNA Seismic Restraint Manual
  • ANSI-accredited engineering standards
  • Local building codes and acoustic performance requirements

look for vibration isolation systems selected according to equipment operating speed, load distribution, seismic requirements, and expected vibration transmission paths. Spring isolators, restrained mounts, and seismic-rated isolation systems are frequently used for HVAC equipment, generators, pumps, chillers, and other critical mechanical plant.

 

For projects involving hospitals, laboratories, data centres, educational facilities, and commercial buildings, low natural frequency isolators and properly designed restraint systems are often required to minimise structure-borne noise while maintaining equipment stability and code compliance.

What Specifications Matter for Compliance?

When selecting vibration isolation products for compliance-driven projects, focus on the specifications most commonly referenced during engineering design and project approval:

  • Load capacity
  • Natural frequency
  • Static deflection
  • Isolation efficiency
  • Compression and shear performance
  • Restraint and stability characteristics
  • Corrosion and weather resistance
  • Fire, oil, and chemical resistance where required

If your project specification references a particular European, UK, or industry standard, our engineers can help identify the most appropriate vibration isolation solution and recommend products that align with your technical and compliance requirements.

If your project specification references a particular European, UK, North American, or industry specific standard, our engineers can help identify the most appropriate vibration isolation solution and recommend products that align with your technical and compliance requirements.

Frequently Asked Questions

What is machinery vibration isolation, and why is it important?

Machinery vibration isolation reduces the transfer of vibration and structure-borne noise from equipment into floors, foundations, and surrounding building structures. Effective vibration control helps protect machinery from excessive wear, improves operational accuracy, reduces noise levels, and extends equipment service life. Depending on the application, solutions may include spring isolators, elastomeric mounts, anti-vibration pads, or specialised isolation systems.

What is the difference between spring isolators and rubber mounts?

Spring isolators generally provide superior isolation of low-frequency vibration and are commonly used for HVAC equipment, generators, compressors, and heavy industrial machinery. Elastomeric and rubber mounts provide excellent damping at medium and higher frequencies and are often used for pumps, fans, motors, smaller machines, and general industrial equipment. The choice depends on the vibration characteristics of the equipment and the desired isolation performance.

What are the best vibration isolators for generators and engines?

Generators, diesel engines, gas engines, and other rotating equipment generate significant dynamic forces that require robust vibration control. Depending on equipment size and operating conditions, Vibro-SMR, Vibro-SMRV, Vibro-MSH, and Vibro-MSR spring isolators are often recommended due to their high load capacities, low natural frequencies, and ability to control vibration while maintaining equipment stability.

When should anti-vibration pads be used instead of mounts?

Anti-vibration pads are often selected when equipment requires simple surface isolation, load distribution, or foundation separation without the need for individual mounted isolators. Products such as Vibro-EP, Vibro-EP Metal, Vibro-EP Metal Strip, and Vibro-Profi are commonly used beneath machinery bases, equipment frames, pumps, compressors, and industrial plant where fast installation and effective vibration damping are required.

What specifications should I compare when selecting vibration isolators?

The most important specifications include load capacity, natural frequency, static deflection, isolation efficiency, compression and shear characteristics, environmental resistance, and restraint capabilities. For low-speed or heavy machinery, natural frequency and static deflection are often critical, while for industrial equipment exposed to harsh conditions, durability, corrosion resistance, and long-term load performance may be equally important.

How do I choose the right vibration isolator for my equipment?

The most important selection criteria are equipment weight, operating speed (RPM), vibration frequency, installation environment, and required isolation performance. Low-frequency equipment such as chillers, generators, and large air handling units often benefit from spring isolators such as Vibro-AM, Vibro-AMR, Vibro-SMR, or Vibro-MSH, while smaller machinery and rotating equipment may be better suited to elastomeric mounts such as Vibro-EM 2, Vibro-EM 3, or Vibro-R.

Which vibration isolation products are best for HVAC equipment?

HVAC systems such as chillers, air handling units, cooling towers, pumps, and rooftop plant often require low-frequency vibration isolation to prevent structure-borne noise transmission. Spring isolators such as Vibro-AM, Vibro-AMR, Vibro-SMR, and Vibro-MSR are frequently specified for larger mechanical plant, while Vibro-EM 2, Vibro-EM 3, and Vibro-EP isolation pads are commonly used for smaller equipment and secondary vibration control.

Can vibration isolation improve CNC machine and manufacturing equipment performance?

Yes. Excessive vibration can reduce machining accuracy, accelerate component wear, and affect production quality. CNC machines, presses, injection moulding machines, fabrication equipment, and production lines often benefit from elastomeric mounts such as Vibro-EM 3 and Vibro-MPF, as well as heavy-duty isolation pads including Vibro-Profi and Vibro-EP Metal for improved stability and vibration reduction.

Which products are suitable for suspended equipment, pipework, and ductwork?

Suspended mechanical equipment, pipework, ductwork, ventilation systems, and ceiling-mounted services require isolation systems that prevent vibration transfer through building structures. Vibro-SS suspended isolators are specifically designed for these applications, while Vibro-3D can provide additional multi-directional vibration control where equipment is exposed to complex movement or shock loads.

Can DECIBEL help me select the correct vibration isolation solution?

Yes. Choosing the wrong isolator can significantly reduce vibration control performance and may even create resonance problems. Our technical specialists can review equipment specifications, operating speeds, loads, installation conditions, and project requirements to recommend the most suitable solution from our range of spring isolators, elastomeric mounts, anti-vibration pads, and specialised vibration isolation systems.

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