Kuo skiriasi slopinimas ir izoliacija?

Izoliacija sumažina perdavimo kelią tarp mašinos ir atraminio pagrindo. Slopinimas sugeria vibracijos energiją izoliatoriaus viduje. Geram vibracijos kontrolės projektui gali prireikti abiejų, ypač kai įranga turi kintamą greitį arba pasikartojančius paleidimo judesius.

Kuo skiriasi spyruokliniai izoliatoriai ir guminiai tvirtinimai?

Spyruokliniai izoliatoriai naudojami žemo dažnio vibracijai, kai įrangai reikia didesnio nukrypimo nuo atramos pagrindo. Guminiai ir elastomeriniai laikikliai užtikrina stipresnį vidutinio dažnio vibracijos slopinimą. Tinkamas variantas priklauso nuo įrangos apkrovos ir veikimo greičio. Tai taip pat priklauso nuo to, kiek judėjimo gali saugiai leisti įrenginys.

Kada vietoj tvirtinimo elementų reikėtų naudoti vibraciją slopinančius kilimėlius?

Sunkiosios technikos antivibraciniai kilimėliai naudojami, kai įrangai reikia paprasto paviršiaus izoliavimo ir apkrovos paskirstymo. Jie yra praktiški po mašinų pagrindais, kur svarbus greitas montavimas ir mažas surinkimo aukštis. Individualūs tvirtinimai yra geresni, kai kiekvienam atramos taškui reikia apskaičiuoto apkrovos valdymo arba apibrėžto nukrypimo. Trinkelės taip pat gali padėti atskirti mašinos pagrindą nuo grindų be sudėtingos tvirtinimo sistemos.

Kas yra suvaržyto spyruoklinio izoliatoriaus savybė?

Fiksuoto spyruoklinio tipo izoliatorius yra spyruoklinis laikiklis su įmontuotu judesio valdymu. Jis sumažina vibraciją ir kartu riboja per didelį poslinkį paleidimo arba išorinio apkrovimo metu. Todėl jis naudingas ten, kur įrangai reikia izoliacijos ir stabilumo tuo pačiu metu.

Ar visi vienos mašinos tvirtinimo elementai turėtų turėti tą pačią apkrovos ribą?

Ne visada. Kiekvienas tvirtinimo taškas turėtų būti parenkamas atsižvelgiant į jo faktinę apkrovą. Daugelis mašinų netolygiai paskirsto svorį ant pagrindo. Naudojant identiškus laikiklius, suspaudimas gali būti netolygus. Tai gali sumažinti izoliacijos efektyvumą ir paveikti įrangos stabilumą.

Kokie yra geriausi generatorių ir variklių vibracijos izoliatoriai?

Generatoriams ir varikliams paprastai reikalingi spyruokliniai izoliatoriai, pasižymintys didele apkrova ir kontroliuojamu judėjimu. Teisingas pasirinkimas priklauso nuo įrenginio svorio ir veikimo greičio. DECIBEL variantai, tokie kaip „Vibro-SMR“ ir „Vibro-MSH“, dažnai naudojami ten, kur reikalingas ir mažas natūralus dažnis, ir įrangos stabilumas. Fiksuotos sistemos gali prireikti, kai paleidimo jėgos sukuria per didelį judėjimą.

Ar man reikia izoliuoti vamzdynus kartu su įranga?

Taip. Vamzdynas gali perduoti vibraciją tolyn nuo izoliuotos mašinos. Tai įprasta, kai standžios vamzdžių atramos tiesiogiai jungiasi prie pastato konstrukcijos. Lanksčios jungtys ir izoliuotos vamzdžių atramos padeda išvengti vibracijos, kuri aplenktų pagrindinius įrangos izoliatorius.

Ar DECIBEL gali padėti, jei žinau tik įrangos svorį ir modelį?

Taip. DECIBEL gali naudoti įrangos svorį ir modelį kaip atspirties tašką. Atramos taškų skaičius taip pat svarbus. Veikimo greitis padeda patvirtinti izoliacijos tipą. Tada mūsų komanda gali rekomenduoti sprendimą, kuris tinkamai išlaikytų apkrovą ir sumažintų vibraciją prie šaltinio.

Ar DECIBEL gali padėti man išsirinkti tinkamą vibracijos izoliacijos sprendimą?

Taip. DECIBEL gali rekomenduoti tinkamą vibracijos izoliacijos sprendimą, remdamasi pagrindine įranga ir informacija apie vietą. Mūsų komanda gali peržiūrėti įrangos svorį ir atramos taškus. Taip pat galime patikrinti veikimo greitį ir montavimo paviršių. Tai padeda išvengti nepakankamai apkrautų tvirtinimo elementų, rezonanso problemų ir standžių kontaktų, kurie mažina našumą.

Ar mašina vis dar gali vibruoti po izoliacijos įrengimo?

Vibracija gali išlikti, jei izoliatoriai yra per mažai apkrauti, perkrauti arba sumontuoti su standžiais kontaktiniais takais. Netolygus suspaudimas taip pat gali sumažinti našumą. Reikėtų patikrinti, ar sumontuota tinkamai paskirstyta apkrova ir ar metalas kontaktuoja vienas su kitu.

Mašinų ir įrangos izoliacija – DECIBEL parduotuvė

Reduce Structural Vibration, Noise and Mechanical Stress at the Source

Machinery vibration control and equipment isolation reduce vibration transfer from industrial equipment into floors, foundations, and surrounding construction. Industrial machinery generates continuous vibration during operation. This can increase equipment wear, reduce operational accuracy, raise noise levels, and place long-term stress on machinery and buildings.

Proper vibration isolation breaks the transmission path by decoupling equipment from the supporting structure. Spring isolators and elastomeric mounts absorb and damp vibration at the source. Anti-vibration pads and specialised mounting systems help control movement before it can propagate.

Spring Isolators

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.

Anti-Vibration Mounts and Feet

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.

Isolation Pads and Tiles

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.

Spring Isolators

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

A blue spring, sandwiched between a black platform and a silver disk.

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.

Air conditioning unit with spring mounts on a concrete floor.

Exterior rooftop mechanical equipment with spring vibration isolators.

Silver coil spring with threaded bolt, washers, and black rubber base.

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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Several large air conditioning units resting on vibration isolation mounts on a tiled surface.

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.

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.

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.

Industrial machinery supported by anti-vibration mounts on concrete pads.

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 HVAC system with vibration isolation mounts.

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

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

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.

Close-up of industrial equipment with metal springs.

Industrial equipment with springs on tiled surface.

Industrial air conditioning unit mounted on springs on a rooftop.

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

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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Air conditioning unit on vibration isolation mounts.

Outdoor HVAC system with black cable secured by zip tie.

Close-up of industrial HVAC unit with metal frame.

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.

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 industrial machine on vibration dampening mounts.

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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Anti-Vibration Mounts and Feet

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

Close-up of HVAC unit with vibration dampeners.

Metal HVAC duct suspended from ceiling with vibration isolation mounts.

Gray suspended commercial air conditioner with metal rods and nuts.

Industrial ventilation system with metal ductwork.

Close-up of a white Samsung air conditioner unit with a circular fan grill, mounted on shock absorber feet.

Vibro-R

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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Vibro-Brick

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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Metal vibration isolator with bolt and rubber.

Wall-mounted black speaker with silver bracket.

Industrial pump and motor on vibration isolators.

Black pipe with a gray valve connected to a wall with a silver bracket.

Ceiling-mounted metal ductwork with support rods and various utility pipes.

Black industrial pump and motor mounted on vibration isolators.

Vibro-3D

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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Vibro-EM.2

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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Vibro-EM.3

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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Vibro-MPF

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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Vibration Isolation Pads and Tiles

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For direct placement, floating floors, and structural decoupling

Stacked, multi-colored rubber mats with circular cutouts.

A square, black, rubber material with red layers and round holes.

Close-up of a black metal frame with a tow hitch and ventilation holes, resting on a weathered concrete surface outdoors.

Close-up of an industrial machine base with yellow and black safety stripes.

A room with concrete floors and square pads arranged in rows.

A gray Cybex treadmill sits on a light-colored floor.

Close-up of pipes and a building exterior.

Exterior of a metal industrial air conditioning unit on a steel support frame.

A gray commercial air conditioning unit sits on a tiled surface.

Vibro-EP

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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Vibro-EPM

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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Vibro-EPMS

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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Close-up of an air conditioner's base, showing a black rubber foot with a bolt and washer.

Gray interlocking floor tiles with a white tool.

Gray interconnected blocks with circular designs and holes.

Black dual fastener with screw, anchor, and bolt.

Mechanical testing machine applying pressure to a black rubber component.

Vibro-TiLe

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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Vibro-Profi

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 Machinery Vibration Isolation Solution Is Right for You?

The right machinery vibration isolator depends on your equipment, operating frequency, load, and installation requirements. Use the comparison below to quickly identify whether spring isolators, AV mounts, or anti-vibration pads for machinery are the most suitable solution for your application.

Spring Isolators

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Anti-Vibration Mounts

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View

Isolation Pads

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View

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.

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Common Applications for Machinery Vibration Control

Industrial Machinery & Manufacturing Equipment

Machinery vibration control is used beneath manufacturing equipment where dynamic loads can affect machine bases and alignment. These solutions help reduce structure-borne noise, mechanical stress, and vibration transfer into the slab or frame.

Correct equipment isolation supports stable operation over long production cycles. They also help protect sensitive components and maintain consistent production accuracy.

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

Equipment vibration isolators are used beneath HVAC systems where vibration can transfer into floors, walls, pipework, and surrounding construction. Correct machine vibration isolation helps reduce structure-borne noise, protect supporting surfaces, and support stable system performance.

These solutions are practical for new installations and retrofit projects. They can be fitted beneath fans, pumps, chillers, and compact rooftop plants.

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

Machine vibration isolation is used beneath rotating machinery to control dynamic forces before they reach the foundation or frame. This helps reduce excessive vibration, resonance, and fatigue in the supporting construction.

In power generation settings, correct isolation supports stable operation under continuous load. It also helps protect mechanical components and reduce structure-borne noise around the installation.

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

Vibration isolation systems help control equipment mounted from ceilings, frames, or secondary support points. They are used where suspended services or structural connections can carry vibration into the wider building fabric.

For shock loads or multi-directional movement, the structural isolation method must manage vibration without creating rigid contact paths. This helps reduce vibration transfer through the building and supports better acoustic performance.

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

Effective machinery vibration control depends on the load, operating speed, and vibration pattern of the equipment. The criteria below explain what affects real isolation performance. They help match the vibration isolator to the machine, the support base, and the site conditions.

Load Capacity

Load capacity is the working load that each isolator can support while still performing as designed.

Small mounting points may carry 4 to 40 kg per isolator.
Medium-duty options can support 200 to 500 kg per isolator.
Heavy spring-based systems can reach 3,750 kg per isolator.

Underloading can limit deflection and reduce isolation performance. Overloading can cause excessive compression, shorten service life, and weaken machinery vibration control.

Natural Frequency

Natural frequency is the frequency at which an isolator naturally moves when loaded.

For effective machinery vibration control, the machine operating frequency should sit well above the isolator’s natural frequency. A minimum ratio of 3:1 is commonly used to avoid resonance and achieve stable isolation.

Low-speed equipment often needs spring-based isolation with a lower natural frequency. Higher-speed machinery can usually be controlled with elastomeric machine mounts, provided the load and frequency range are correctly matched.
If the two frequencies sit too close together, resonance can amplify vibration. This can increase noise, movement, and stress on the equipment.

Static Deflection

Static deflection is the compression an isolator reaches under its normal working load.

Lower-deflection mounts can sit around 3 mm at maximum load.
Suspension isolation points may use around 8 mm.
Spring-based systems commonly reach 25 mm, with 50 mm used for deeper low-frequency isolation.

Greater deflection usually lowers natural frequency. This supports machinery vibration control where slow-running equipment would otherwise transfer vibration into the support base.

Too little deflection can leave the system stiff. Excess movement can require restraint to keep equipment stable.

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 anti-vibration mounts for heavy machinery provide strong damping for medium-frequency vibration. They can also perform well where higher-frequency vibration needs controlled energy loss.
Spring isolators provide better low-frequency separation. They often need additional damping to control resonance during start-up or shutdown.
Hybrid isolation systems combine separation with controlled damping. This can improve stability where machines face shock loads or variable operating speeds.

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

Compression and shear performance describe how an isolator behaves under vertical load and sideways movement.

Multi-directional vibration isolators are used where machinery generates movement through more than one force path. Some systems can accommodate angular misalignment up to 15°, which helps when equipment movement is uneven or support points are difficult to align.

Correct isolation must control vertical load without allowing excessive sideways movement. This improves machinery stability, reduces vibration transfer, and protects the support base from uneven stress.

Environmental Resistance

Environmental resistance describes how well an isolator keeps its performance under site exposure.

DECIBEL vibration isolation for equipment use protected metal components and guarded isolation elements for demanding installations. Galvanised covers help protect the elastomer from UV exposure and oils. Water protection and corrosion-resistant metal parts support outdoor use.

This matters for outdoor installations such as HVAC equipment, cooling towers, heat pumps, and rooftop plant, where weather can affect long-term performance.

Restraint and Stability Requirements

DECIBEL’s restrained isolation range is used where vibration reduction must be combined with movement control.

The restraint controls vertical and horizontal movement without removing the isolation function. This helps stabilise equipment under wind loading, seismic activity, torque reactions, or sudden start-up forces.

Restrained spring systems are suited to rooftop plants, heavy machinery, and equipment exposed to changing operating forces. Heavy-duty options can work from 400 RPM upwards. Some configurations cover 50 to 750 kp per mounting point.

Unsure which equipment isolation system fits your needs? Contact DECIBEL and our team will help you select a solution that supports the load correctly and reduces noise where it starts.

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.

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Who Are These Products For?

HVAC Engineers and M&E Contractors

Mechanical design teams need vibration isolation details that can be coordinated with load schedules and service routes. The isolator must support the equipment correctly while leaving space for access and maintenance.

DECIBEL products help reduce vibration paths before they become acoustic issues in occupied areas. They are useful where mechanical systems must meet performance expectations without creating noise problems elsewhere in the building.

Industrial Engineers and Manufacturing Facilities

Industrial teams need machinery vibration control that protects accuracy and service life under continuous operating conditions. The chosen isolator must handle working loads without allowing excessive movement.

Our machinery isolation systems support stable equipment behaviour where dynamic forces can affect alignment or increase wear. They help reduce vibration at the support points, which protects both the machine and the floor base.

Building and Infrastructure Professionals

Building professionals need equipment vibration control details that can be resolved before construction reaches site. The isolation strategy must work with the slab, support frame and surrounding building fabric.

DECIBEL products help reduce vibration transfer through structural connections. They are useful where late acoustic problems could lead to complaints, redesign work or expensive corrective measures.

Equipment Manufacturers and OEMs

Original equipment manufacturers need isolation details that protect performance without complicating the final equipment design. The mount must be repeatable across units and stable under real operating loads.

DECIBEL heavy-duty vibration isolation helps reduce transmitted vibration at the source. This supports quieter operation, protects sensitive components and improves the installed performance of the finished equipment.

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

DECIBEL brings manufacturing experience and international project reach to machinery vibration control. Founded in 2012, the company has delivered more than 5,000 acoustic and sound insulation projects, with solutions available in over 40 countries.

What Do Our Customers Think?

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Relevant Standards, Codes and Compliance Requirements

Most industrial vibration isolators are not certified against a single project standard. Their value comes from correct selection within the wider compliance strategy. The references below show the main standards, codes, and guidance that may influence machinery and equipment isolation design.

Machinery Safety and Equipment Performance

Machinery vibration control can support equipment safety where vibration affects stability, mechanical stress, or predictable machine behaviour.

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

The specification should define load capacity, restraint behaviour, and long-term durability. It should also confirm how the isolation detail supports stable machine operation across the equipment lifecycle.

HVAC, Building Services and Technical Installations

In heating, ventilation and air conditioning projects, vibration isolation supports compliance by helping installed equipment meet expected performance and noise control targets.

Relevant frameworks can include:

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

The isolation detail must match the equipment weight, operating frequency, and support base. It also needs to control vibration paths that could affect plant stability, service connections, or acoustic verification.

Building Acoustics and Environmental Noise Control

Machinery vibration isolation can affect compliance where plant noise transfers through the building fabric or reaches nearby receptors. The isolation detail must prevent rigid paths through fixings and service connections.

Relevant frameworks can include:

Building Regulations 2010, Part E
Approved Document E, Resistance to the Passage of Sound
Environmental Protection Act 1990, Part III
Environmental Noise Regulations 2006
Environmental Noise Directive 2002/49/EC
EN ISO 12354, Building Acoustics

For these projects, the design needs more than a nominal isolator rating. It must show how vibration paths are controlled at the support points. It should also account for flanking routes that could affect acoustic testing or environmental noise assessment.

Vibration Isolation Efficiency

Vibration isolation efficiency matters where acoustic compliance depends on controlling mechanical or industrial equipment noise. It is especially important when structure-borne vibration can bypass the main acoustic build-up.

Relevant frameworks can include:

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

The isolation design must reduce vibration transfer before it becomes airborne noise elsewhere. Natural frequency and static deflection are key selection criteria. Isolation efficiency should also be checked against the acoustic target and the equipment operating frequency.

Structural Protection and Critical Infrastructure

Vibration isolation becomes compliance-sensitive when dynamic movement could affect machine condition, human response, or structural reliability.

Relevant frameworks can include:

Control of Vibration at Work Regulations 2005
Environmental Permitting Regulations 2016
ISO 4866, Vibration of fixed structures
ISO 20816, Measurement and evaluation of machine vibration
BS 6472-1, Human exposure to vibration in buildings
BS 7385-2, Vibration in buildings
CIBSE Guide B4, Noise and vibration control for building services systems
Project-specific structural engineer requirements

Selection needs to define natural frequency, load capacity, and movement control. For critical facilities, the isolation detail should also support measured vibration limits and equipment manufacturer requirements.

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 United States and Canadian projects, vibration isolation can affect code compliance where equipment stability or seismic restraint must be demonstrated. It can also support acoustic performance targets for mechanical systems.

Relevant frameworks can include:

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

Selection should be based on operating speed and load distribution. Seismic restraint requirements must also be checked against the expected vibration path. In higher-risk installations, restrained or seismic-rated isolation can help maintain support stability while reducing transmitted vibration.

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 the difference between damping and isolation?

Isolation reduces the transfer path between the machine and the support base. Damping absorbs vibration energy inside the isolator. A good vibration control design may need both, especially where equipment has variable speed or repeated start-up movement.

What is the difference between spring isolators and rubber mounts?

Spring isolators are used for low-frequency vibration where the equipment needs greater deflection from the support base. Rubber and elastomeric mounts provide stronger damping for medium-frequency vibration. The right option depends on the equipment load and operating speed. It also depends on how much movement the installation can safely allow.

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

Anti-vibration pads for heavy machinery are used when equipment needs simple surface isolation and load distribution. They are practical beneath machinery bases where fast installation and low build-up height matter. Individual mounts are better when each support point needs calculated load control or defined deflection. Pads can also help separate a machine base from the floor without a complex mounting system.

What is a restrained spring isolator?

A restrained spring isolator is a spring mount with built-in movement control. It reduces vibration while limiting excessive displacement during start-up or external loading. This makes it useful where equipment needs isolation and stability at the same time.

Should all mounts on one machine have the same load rating?

Not always. Each mounting point should be selected according to the load it actually carries. Many machines do not distribute weight evenly across the base. Using identical mounts can lead to uneven compression. This can reduce isolation performance and affect equipment stability.

What are the best vibration isolators for generators and engines?

Generators and engines usually need spring-based isolators with high load capacity and controlled movement. The correct choice depends on the unit weight and operating speed. DECIBEL options such as Vibro-SMR and Vibro-MSH are often used where low natural frequency and equipment stability are both required. Restrained systems may be needed when start-up forces create excess movement.

Do I need to isolate pipework as well as the equipment?

Yes. Pipework can carry vibration away from an isolated machine. This is common where rigid pipe supports connect directly to the building fabric. Flexible connections and isolated pipe supports help prevent vibration from bypassing the main equipment isolators.

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

Yes. DECIBEL can use the equipment weight and model as a starting point. The number of support points is also important. Operating speed helps confirm the isolation type. Our team can then recommend a solution that supports the load correctly and reduces vibration at the source.

Can DECIBEL help me select the correct vibration isolation solution?

Yes. DECIBEL can recommend the correct vibration isolation solution from basic equipment and site information. Our team can review the equipment weight and support points. We can also check the operating speed and the installation surface. This helps avoid underloaded mounts, resonance problems and rigid contact paths that reduce performance.

Can a machine still vibrate after isolation is fitted?

Vibration can remain if the isolators are underloaded, overloaded or installed with rigid contact paths. Uneven compression can also reduce performance. The installation should be checked for correct load distribution and metal-to-metal contact.

Contact Us For Personal Consultation

Get in touch by sending us a message, or book a free consultation to discuss your project with one of our experts.

We'll be happy to answer your questions and help you find the right solution.

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Machinery Vibration Control and Equipment Isolation

Reduce Structural Vibration, Noise and Mechanical Stress at the Source

Spring Isolators

Anti-Vibration Mounts and Feet

Vibration Isolation Pads and Tiles

Which Machinery Vibration Isolation Solution Is Right for You?

Common Applications for Machinery Vibration Control

Industrial Machinery & Manufacturing Equipment

HVAC & Building Services Equipment

Power Generation and Rotating Equipment

Suspended Systems and Structural Isolation

Key Performance Criteria for Machinery and Equipment Isolation

Who Are These Products For?

HVAC Engineers and M&E Contractors

Industrial Engineers and Manufacturing Facilities

Building and Infrastructure Professionals

Equipment Manufacturers and OEMs

Why Choose DECIBEL for Machinery Vibration Control?

What Do Our Customers Think?

Relevant Standards, Codes and Compliance Requirements

Frequently Asked Questions

Contact Us For Personal Consultation

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