Anti-Vibration Spring Isolators

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Reduce Vibration Transfer, Structure-Borne Noise and Equipment Wear

Spring isolators are vibration isolation supports used under mechanical equipment with high loads or low-frequency movement. They reduce vibration transfer by separating the equipment from the supporting base through controlled spring deflection. This is especially important for chillers, generators, compressors, and rotating machinery where vibration can travel into floors, foundations, steelwork, or the surrounding building fabric.


Compared with basic rubber pads, spring isolator mounts are suited to applications where stronger isolation is needed. They help protect equipment, reduce structure-borne noise, and support quieter, more stable operation in plant rooms, rooftops, and industrial areas.
A blue spring, sandwiched between a black platform and a silver disk.
A blue spring, sandwiched between a black platform and a silver disk.
Close-up on rooftop HVAC unit supports with spring isolators.
Close-up on rooftop HVAC unit supports with spring isolators.
Several large, white industrial air conditioning units sitting on concrete blocks on a flat roof.
Several large, white industrial air conditioning units sitting on concrete blocks on a flat roof.
Industrial air conditioning unit.
Industrial air conditioning unit.
Air conditioning unit with spring mounts on a concrete floor.
Air conditioning unit with spring mounts on a concrete floor.
Exterior rooftop mechanical equipment with spring vibration isolators.
Exterior rooftop mechanical equipment with spring vibration isolators.
Silver coil spring with threaded bolt, washers, and black rubber base.
Silver coil spring with threaded bolt, washers, and black rubber base.
VIBRO-AM Spring mount dimensions
VIBRO-AM Spring mount dimensions
Vibro-AM

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 gray shock-absorption spring mount.
A gray shock-absorption spring mount.
Several large air conditioning units resting on vibration isolation mounts on a tiled surface.
Several large air conditioning units resting on vibration isolation mounts on a tiled surface.
An air conditioning unit sits on vibration isolators.
An air conditioning unit sits on vibration isolators.
Close-up of air conditioning units on a metal frame, each supported by a black rubber mount with a visible bolt.
Close-up of air conditioning units on a metal frame, each supported by a black rubber mount with a visible bolt.
Multiple large, blue air conditioning units sitting on concrete blocks on a roof.
Multiple large, blue air conditioning units sitting on concrete blocks on a roof.
Vibro-AMR

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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Metal frame containing two blue springs, bolt on top, black rubber feet.
Metal frame containing two blue springs, bolt on top, black rubber feet.
Close-up of a vibration isolator consisting of a spring held inside a steel bracket, supporting a piece of mechanical equipment on a metal frame.
Close-up of a vibration isolator consisting of a spring held inside a steel bracket, supporting a piece of mechanical equipment on a metal frame.
Large white industrial generator with black spring vibration isolators mounted on gray steel I-beams on a concrete roof.
Large white industrial generator with black spring vibration isolators mounted on gray steel I-beams on a concrete roof.
Industrial machinery supported by anti-vibration mounts on concrete pads.
Industrial machinery supported by anti-vibration mounts on concrete pads.
Large, red industrial machinery supported by grey spring vibration isolators on a concrete foundation.
Large, red industrial machinery supported by grey spring vibration isolators on a concrete foundation.
Industrial equipment with black, shock-absorbing mounts on a tiled floor.
Industrial equipment with black, shock-absorbing mounts on a tiled floor.
Industrial HVAC system with vibration isolation mounts.
Industrial HVAC system with vibration isolation mounts.
Rows of blue industrial pumps and green pipes with orange connectors in a mechanical room.
Rows of blue industrial pumps and green pipes with orange connectors in a mechanical room.
Vibro-SMR

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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Vibro-SMRV
Vibro-SMRV
Vibro-SMRV
Vibro-SMRV
Vibro-SMRV
Vibro-SMRV
Vibro-SMRV
Vibro-SMRV
Vibro-SMRV
Vibro-SMRV
Vibro-SMRV

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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Vibro-SS
Vibro-SS
Vibro-SS
Vibro-SS
Vibro-SS

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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Blue springs between square metal plates with a black trim.
Blue springs between square metal plates with a black trim.
Industrial equipment on spring mounts.
Industrial equipment on spring mounts.
Close-up of industrial equipment with metal springs.
Close-up of industrial equipment with metal springs.
Industrial equipment with springs on tiled surface.
Industrial equipment with springs on tiled surface.
Industrial air conditioning unit mounted on springs on a rooftop.
Industrial air conditioning unit mounted on springs on a rooftop.
Two blue springs between speckled grey metal plates with a black rim.
Two blue springs between speckled grey metal plates with a black rim.
Vibro-MS

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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Vibro-MSH
Vibro-MSH
Vibro-MSH
Vibro-MSH
Vibro-MSH

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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Gray metal machinery spring.
Gray metal machinery spring.
Air conditioning unit on vibration isolation mounts.
Air conditioning unit on vibration isolation mounts.
Outdoor HVAC system with black cable secured by zip tie.
Outdoor HVAC system with black cable secured by zip tie.
Close-up of industrial HVAC unit with metal frame.
Close-up of industrial HVAC unit with metal frame.
Several large, gray LG air conditioning units atop concrete bases on a flat roof.
Several large, gray LG air conditioning units atop concrete bases on a flat roof.
Close-up of a green metal furniture leg resting on a black vibration-dampening mount with visible springs, set on a concrete floor against a soundproof wall.
Close-up of a green metal furniture leg resting on a black vibration-dampening mount with visible springs, set on a concrete floor against a soundproof wall.
Several air conditioning units are installed on concrete blocks on a flat, white surface.
Several air conditioning units are installed on concrete blocks on a flat, white surface.
Close-up of black machinery supported by vibration isolation mounts on a tiled surface.
Close-up of black machinery supported by vibration isolation mounts on a tiled surface.
Close-up of industrial machine on vibration dampening mounts.
Close-up of industrial machine on vibration dampening mounts.
Rooftop HVAC equipment mounted on concrete pads with vibration isolators.
Rooftop HVAC equipment mounted on concrete pads with vibration isolators.
Vibro-MSR

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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Which Spring Vibration Isolator Is Right for Your Application?

Each spring mount has been developed for different load ranges, movement control needs, and installation conditions. Use the table below as a quick selection guide. It connects common equipment requirements with the most suitable DECIBEL option, helping you move from a vibration problem to specification faster.

If you are looking for:

Choose:

A general-purpose spring mount

Vibro-AM

Seismic or wind-load protection

Vibro-AMR

Heavy machinery isolation

Vibro-SMR

Additional damping and resonance control

Vibro-SMRV

A compact multi-spring solution 

Vibro-MS

Very high load capacity

Vibro-MSH

Critical infrastructure and restrained installations

Vibro-MSR

Suspended equipment, pipework and ductwork isolation 

Vibro-SS

Common Applications for Spring Vibration Isolators

HVAC, Building Services and Heat Pump Systems

Isolator springs are used where HVAC equipment creates low-frequency vibration that standard pads may not control well. This often happens with chillers, heat pumps, air handling units, pumps, fans, and rooftop plants.


The spring separates the equipment from the building support and reduces the vibration that can travel through floors or service connections. This helps limit structure-borne noise while keeping the mechanical system stable during operation.


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
  • Residential heat pumps
  • Air conditioning condensers
  • Domestic ventilation systems
  • Suspended air handling units
  • Pipework systems
  • Ductwork and ventilation networks

Generators, Rotating Equipment and Critical Infrastructure

Spring mount vibration isolators are specified for generators, engines, compressors, and rotating plant with high dynamic forces. Their low natural frequency helps control vibration that can otherwise pass into equipment bases, frames, and service connections.


In critical infrastructure, the isolator must handle continuous operation without losing stability. This supports lower resonance risk, better equipment protection, and more reliable performance under load.


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
  • Data centres
  • Utility and energy facilities
  • Technical rooms and plant platforms
  • Critical infrastructure installations

Industrial Machinery and Manufacturing Equipment

Spring isolation products help protect machinery foundations, improve operational stability, and reduce the transmission of vibration to surrounding structures.

 

Their ability to support high loads while delivering effective low-frequency isolation makes them suitable for a wide range of industrial applications where performance, reliability, and precision are essential.


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

Residential, Commercial and Specialised Equipment

Spring vibration isolators can also be used in smaller-scale applications where vibration reduction, noise control, and equipment protection are important.

 

From residential mechanical systems to specialised technical installations, spring isolators help minimise vibration transfer and improve comfort in occupied spaces. They are particularly useful where equipment is located close to living areas, offices, hotels, healthcare facilities, or vibration-sensitive environments.


Typical applications:

  • Swimming pool pumps
  • Water booster pumps
  • Backup generators
  • Home workshop machinery
  • Light commercial HVAC systems
  • Research and laboratory equipment
  • Acoustic enclosures and technical installations
  • Small mechanical plant
  • Vibration-sensitive equipment
  • Suspended technical services
  • Specialist engineering applications

Key Performance Criteria for Anti-Vibration Spring Mounts

Vibration control springs must match the equipment load and the vibration it needs to isolate.


The criteria below explain what affects real performance, including natural frequency, deflection, restraint, and installation type.

Load Capacity

Load capacity is the working load a spring isolator can carry while reaching the deflection needed for isolation.


Small spring isolators may be rated from around 25 to 200 daN per spring. Restrained multi-spring isolators can cover much higher loads, with some ranges listed at 50 to 750 kp per mounting point.


If the load is too low, the spring will not compress enough to isolate properly. If the load is too high, it can over-compress and lose useful travel.


The total operating weight should be divided across the real support points. Uneven loading can affect alignment, isolation performance, and service life.
 

Natural Frequency

Every spring isolator has a natural frequency, measured in Hertz (Hz), which determines how effectively it can isolate vibration.

 

For good vibration control, the equipment’s operating frequency should sit well above the isolator’s natural frequency. A 3:1 frequency ratio is a common minimum starting point. A wider gap usually gives better isolation.

 

If the two frequencies are too close, resonance can increase movement instead of reducing it. This is why low-speed rotating equipment often needs spring isolation with very low natural frequencies. 

Static Deflection

Vibro isolation efficiency describes how much vibration is prevented from entering the supporting structure.

 

Typical performance levels include:

  • 80–90% isolation for general mechanical equipment;
  • 90–95% isolation for most HVAC and industrial applications;
  • Over 95% isolation for sensitive installations and low-frequency machinery.

Actual performance depends on the relationship between equipment speed, spring natural frequency, load distribution, and installation conditions.

 

Properly selected vibration control springs can dramatically reduce structure-borne vibration, helping to minimise noise transmission and improve equipment stability.

Vibration Isolation Efficiency

Damping controls the extra movement that can occur when a spring reacts to a changing load.


A spring mount can isolate low-frequency vibration very well, but it may need damping to stay controlled during start-up or shutdown. This is important when equipment speed changes or when the load is not constant.


Damped spring isolators help reduce resonance risk and limit unwanted spring movement near critical frequencies. They are often preferred for variable-speed plant and equipment that cycles frequently.

Damping Characteristics

While spring mounts provide excellent low-frequency isolation, damping is often required to control transient movement and resonance. Many spring isolators incorporate damping elements that help:

  • Control excessive spring movement.
  • Reduce resonance during start-up and shutdown.
  • Improve stability under changing operating conditions.
  • Limit vibration amplification near critical frequencies.

Applications involving variable-speed equipment, fluctuating loads, or frequent cycling often benefit from damped spring isolators.

Restraint Requirements

Restraint controls movement without cancelling the isolation provided by the spring.
 

It matters when equipment can shift sideways, lift, or rock during operation. Rooftop units may need restraint because of wind. Generators and compressors may need it because of start-up torque or emergency stop forces.


Restrained spring mounts are used where the isolator must carry the load and limit excessive movement at the same time. They are also useful for suspended services, where pipework or ceiling-mounted equipment needs vibration isolation without uncontrolled sway.

Corrosion Protection and Environmental Conditions

Corrosion protection defines how well the spring isolator will survive the site conditions without losing strength or movement.


For indoor plant rooms, standard coated or painted spring isolation may be sufficient. For a rooftop plant, choose galvanised or weather-protected steel components. For coastal sites or aggressive industrial areas, use higher corrosion resistance because salt air and chemical exposure can attack the spring and housing faster.


The key criteria are the coating type, spring protection, drainage around the mount, and long-term resistance to moisture. A spring that corrodes or seizes cannot deflect correctly, so vibration isolation drops even if the original load rating was correct.

Equipment Stability

Equipment stability is the spring’s ability to control movement while the spring is deflecting under load.


For large plant, check the spring configuration and load spread across each support point. Poor distribution can make the unit rock, tilt, or settle unevenly. This can affect alignment and increase stress on connected services.


The key criteria are lateral stability, correct load balance, and enough restraint where movement forces are expected.

Suspension Loads & Hanging Equipment

Not all spring isolators support equipment from below. Suspended equipment such as ductwork, pipework, air handling units, ceiling-mounted machinery, and mechanical services often require spring hangers specifically designed to support loads from above while maintaining effective vibration isolation.

 

For spring hangers, the load must be calculated per suspension point rather than as one total equipment weight. The hanger also needs enough spring travel to isolate vibration while allowing normal movement from pipe expansion, duct movement, or equipment operation.


The key criteria are supported load, spring travel, movement allowance, and hanger suitability for the site conditions. If the hanger is too stiff or has too little travel, vibration can pass into ceilings and service supports.

Unsure which spring isolator fits your installation? Contact DECIBEL with the equipment weight and operating speed. Include the number of mounting points and the site conditions. Our team will help you select a spring isolator that supports the load correctly and reduces vibration where it starts. 

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Who Are These Products For?

HVAC Engineers, M&E Contractors and Building Services Professionals

For HVAC engineers and mechanical and electrical contractors, spring isolators need to be simple to justify on the specification and dependable on site.


DECIBEL spring vibration isolators are suited to plant where low-frequency vibration is a known risk. They help keep commissioning smoother by giving clear load ratings, controlled deflection, and stable support during regular operation.

Industrial Engineers, OEMs and Manufacturing Facilities

For industrial engineers and original equipment manufacturers, spring isolation needs to protect machinery without disrupting alignment or production reliability.


DECIBEL spring vibration isolators suit equipment with high loads and low-frequency vibration. They are useful where dynamic forces can affect machine bases, test benches, or process lines. Clear load ranges and controlled deflection help support stable operation over time.

Facilities Managers, Infrastructure Operators and Critical Environments

For facilities managers and infrastructure operators, spring vibro isolation needs to protect essential equipment without adding uncertainty to maintenance planning.

 

DECIBEL spring vibration isolators suit sites where continuous operation matters. They help reduce vibration transfer from technical plant, backup systems, and service equipment. Clear load performance and stable deflection support reliable operation in spaces where vibration issues can quickly become operational problems.

Homeowners and Light Commercial Property Owners

For homeowners and small commercial premises, spring mounts are useful when low-frequency vibration reaches living or working areas.

 

DECIBEL spring vibration isolators suit noisy indoor and outdoor equipment such as heat pumps, condensers, small generators, and compact plant. They help reduce vibration at the source, especially where equipment sits close to bedrooms, treatment rooms, offices, or tenant spaces.

Why Choose DECIBEL for Anti-Vibration Spring Mounts?

Expert Engineering Support

Spring isolation depends on the right technical match before installation. DECIBEL helps customers avoid poor performance by selecting spring isolation around the real equipment load and vibration behaviour. 

Comprehensive Product Range

DECIBEL offers spring mounts and spring hangers for floor-mounted and suspended equipment. The range includes standard, restrained, damped, and heavy-duty options for reliable low-frequency vibration control. 

Fast Delivery

Many of our most popular spring vibration isolators are available from stock, allowing for fast and reliable delivery throughout Europe and beyond. This helps engineers, contractors, installers, and facility managers keep projects on schedule.

Proven Performance

DECIBEL has completed more than 5,000 soundproofing and acoustics projects in over 40 countries. That experience shapes spring isolation solutions designed for real site conditions, where long-term reliability must hold after installation. 

What Do Our Customers Think?

Relevant Standards, Codes and Compliance Requirements

Anti-vibration springs are not usually certified against one single project standard. They are specified as part of a wider compliance strategy where vibration control affects acoustic performance, mechanical stability, or the building fabric.


The references below show the main standards and guidance that may influence spring isolator selection.

Machinery Safety and Equipment Performance

Vibration isolation springs are relevant to machinery safety when vibration affects stability, alignment, guarding, or operator exposure. In EU machinery projects, the specification may need to fit within the wider compliance context.

 

Relevant frameworks can include:

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

For this use case, the spring vibro isolator must support the machine without excessive movement or loss of alignment. Load capacity must match the working weight. Static deflection must suit the vibration frequency. Fatigue resistance matters where machinery runs for long periods or cycles repeatedly.

HVAC, Building Services and Mechanical Plant

For HVAC and building services projects, spring vibration dampers are part of the plant support detail. The specification should show that the isolator suits the equipment load and operating frequency, especially where low-frequency vibration is expected.

 

Relevant design references may include:

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

Selection should define the required static deflection and natural frequency. For rooftop or exposed plant, restraint and corrosion protection should also be stated clearly in the specification.

Heat Pumps and Residential Mechanical Equipment

For heat pump projects, spring vibration isolators may form part of the noise control detail where outdoor units create low-frequency vibration. The specification should show that the isolator suits the unit load and mounting arrangement.

 

Relevant project references may include:

  • EN 378, Refrigeration Systems and Heat Pumps
  • National noise regulations
  • Local planning requirements

Selection should account for natural frequency and static deflection. For external units, corrosion protection and restraint may also be needed, especially where wind exposure or uneven bases could affect long-term stability.

Building Acoustics and Structure-Borne Noise Control

For acoustic compliance, spring isolation is relevant when low-frequency vibration can pass through the building fabric and disturb occupied rooms. The specification should link the isolator performance to the required structure-borne noise control target.

 

Relevant references may include:

  • EN ISO 12354, Building Acoustics
  • Environmental Noise Directive 2002/49/EC
  • National acoustic regulations
  • Local planning requirements

Selection should define the required natural frequency and static deflection. The design should also prevent rigid bridges through fixings or service connections, as these can bypass the spring and weaken the acoustic result.

Technical Buildings and Critical Infrastructure

In technical buildings, spring isolation solutions are specified where vibration can affect service continuity, machine condition, or vibration-sensitive rooms. The compliance focus is usually the vibration level reaching the building or equipment, rather than the isolator alone.

 

Relevant references may include:

  • ISO 4866, Vibration of fixed structures
  • ISO 20816, Measurement and evaluation of machine vibration
  • BS 6472-1, Human exposure to vibration in buildings
  • CIBSE Guide B4, Noise and vibration control for building services systems
  • Project-specific structural and equipment manufacturer requirements

The specification should define load capacity and natural frequency. It should also confirm static deflection, restraint, and corrosion protection where the equipment runs continuously or sits in exposed service areas.

Seismic, Wind and Equipment Restraint Requirements

Restrained spring isolators are specified when the springs must isolate vibration and control equipment movement. This usually applies to rooftop plants, emergency power systems, high-rise projects, and seismic design zones.

 

Relevant references may include:

  • BS EN 1991-1-4, Wind actions
  • BS EN 1998-1, Design of structures for earthquake resistance
  • ASCE/SEI 7, Minimum Design Loads and Associated Criteria for Buildings and Other Structures
  • Local building code requirements
  • Project structural engineer requirements

The specification should state the required restraint type and movement limits. For exposed plants, wind load must be considered. For seismic regions, the seismic spring isolators must work with the anchoring detail so that vibration isolation is maintained without allowing unsafe displacement.

UK-Specific Requirements

For projects located in the United Kingdom, spring vibration isolators may contribute to compliance with:

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

In these applications, natural frequency, static deflection, and vibration isolation efficiency are often key design criteria when selecting spring vibro isolation for mechanical plant and building services equipment.

North American Requirements

In the United States and Canada, spring vibration isolators may be reviewed as part of mechanical design, acoustic control, seismic restraint, or equipment approval.

 

Relevant references may include:

  • ASHRAE guidance for HVAC noise and vibration control
  • International Building Code (IBC)
  • SMACNA Seismic Restraint Manual
  • ANSI-accredited engineering standards
  • Local building and acoustic codes

The specification should define operating speed and load distribution. It should also confirm movement limits where seismic restraint or wind exposure is relevant. Restrained spring isolators are often used when the equipment must remain isolated during operation but be controlled during abnormal movement.

If your project specification references a particular European, UK, North American, or industry standard, DECIBEL engineers can help identify the most suitable spring isolation solution. We can recommend products that align with your technical, acoustic, and compliance requirements.

Frequently Asked Questions

When to choose spring mounts instead of rubber mounts?

Spring mounts are typically recommended for heavier equipment and applications involving low-frequency vibration. Because they provide lower natural frequencies and greater static deflection than rubber mounts, they are often used for chillers, cooling towers, generators, compressors, air handling units, and large mechanical plant where maximum vibration isolation is required. 

Are restrained spring isolators necessary for rooftop equipment?

In many cases, yes. Rooftop HVAC equipment may be exposed to wind loads, seismic forces, or movement during operation. Restrained spring isolators provide effective vibration isolation while also limiting excessive movement, making them a common choice for chillers, cooling towers, air handling units, and rooftop plant installations.

Should all spring mounts on one unit have the same load rating?

Not always. Many machines are heavier on one side, especially units with compressors, motors, or uneven internal components. Each spring should be selected for the load it actually carries. If one side is overloaded and another is underloaded, the unit may sit unevenly and isolation performance can drop. Users testing spring isolators often find different front and rear loads rather than one equal weight across all points.

Can I add spring isolators myself to a small outdoor unit?

For simple small units, this may be possible, but the load rating and fixing detail still matter. The unit must remain level and secure. Refrigerant lines, electrical connections, and warranty conditions should be checked before lifting or altering the installation.

Can DECIBEL help if I only know the equipment weight and model?

Yes. Send the equipment weight, operating speed, support points, and installation location. DECIBEL can help narrow the choice to a suitable spring isolator, so the spring supports the load correctly and avoids common problems such as poor deflection, instability, or underperformance after installation.

Can spring vibration isolators be used for suspended equipment?

Yes. Not all spring isolators are designed for floor-mounted equipment. Spring hangers such as Vibro-SS are specifically designed to isolate vibration from suspended mechanical systems including ductwork, pipework, ceiling-mounted air handling units, ventilation equipment, and other building services. By isolating vibration before it reaches the building structure, spring hangers help reduce structure-borne noise and improve occupant comfort. 

How to calculate the correct spring load capacity?

Start by determining the total operating weight of the equipment, including fluids, accessories, and connected components. Divide this weight by the number of mounting points and select spring isolators that operate within their recommended load range. Proper load distribution is essential for achieving the expected vibration isolation performance. 

When should I use spring hangers instead of floor-mounted spring isolators?

Use spring hangers when the vibration source is suspended from above. This applies to ductwork, pipework, suspended fans, and ceiling-mounted mechanical services. Vibro-SS is designed for this type of suspended vibration isolation.

How do I choose the right spring vibration isolator?

The most important factors are equipment weight, operating speed (RPM), number of mounting points, installation environment, and isolation performance requirements. If you are unsure which solution is best, our engineers can help you select the most suitable spring vibration isolator based on your equipment specifications and project requirements.

Can vibration remain after spring isolators are installed?

Vibration may bypass the spring through rigid contact points. Common paths include wall brackets, pipework, electrical conduit, tight restraints, and metal-to-metal fixings. The spring isolator works only when the surrounding installation does not create a hard bridge.

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