Vibration Damping Spacer - Series W8 - DN 65; L=70mm; EPDM BRA.W8.500

Product detailed description

Vibration damping spacers are essential in industrial and commercial HVAC systems, water distribution networks, and compressed air installations. These systems often experience mechanical vibrations due to pump operation, fan movement, or fluid flow. Installers and technicians must ensure that such vibrations are isolated to prevent structural resonance, noise propagation, and potential damage to connected equipment. This vibration damping spacer is specifically designed for use in systems where mechanical isolation is required to maintain operational stability and acoustic performance.

In building services, these spacers are commonly used between pipe segments, pump units, and heat exchangers. They help to decouple vibrating components from the rest of the system, reducing the risk of fatigue failure in piping and supporting structures. The design allows for installation in both horizontal and vertical orientations, depending on the system layout and access constraints.

Technical parameters

Material: - flanges	Galvanised steel
Nominal diameter	DN 65
Nominal pressure	PN 10
Weight	4.912 kg
Code	W8500065
Brand	IVAR

The nominal diameter of DN 65 ensures compatibility with standard pipe sizes in HVAC and water supply systems. The PN 10 pressure rating indicates that the spacer is suitable for systems operating at up to 10 bar. These parameters are critical for proper sizing and selection, ensuring that the component can withstand the mechanical and thermal loads of the system without failure.

Installation and connection

The spacer is installed between two flanged pipe sections using standard flange connections. The flanges must be aligned carefully to ensure even load distribution across the EPDM sealing element. The 70 mm length allows for some axial movement, which is important in systems with thermal expansion or dynamic loading. During installation, it is essential to check that the flange surfaces are clean and free from burrs or debris that could damage the sealing element. A common mistake is over-tightening the bolts, which can compress the EPDM beyond its elastic limit and reduce its damping effectiveness.

Compatibility and accessories

This spacer is compatible with standard PN 10 flanged connections and is suitable for use with water-based media containing up to 50% glycol. It is not recommended for use with steam, gases, or oil-based fluids. When ordering, ensure that the flanged pipe sections are compatible with the PN 10 rating and that the system temperature remains within the -10°C to +100°C range. No additional accessories are required for standard installation.

Technical background for designers

The spacer operates by absorbing and dissipating mechanical energy from vibrations through the deformation of the EPDM sealing element. The material's elasticity allows it to return to its original shape after each cycle, maintaining long-term performance. The galvanised steel flanges provide structural support and ensure a secure connection. The effectiveness of the spacer depends on the correct alignment of the flanges and the absence of lateral or torsional forces that could overload the sealing element. The system's operating temperature and media composition also influence the service life of the EPDM seal.

Service and operation

No specific maintenance is required for this spacer during normal operation. However, periodic visual inspections should be carried out to check for signs of mechanical damage, such as cracks or compression set in the EPDM seal. If the system is exposed to high levels of contamination or chemical exposure, the sealing element may need to be replaced more frequently. There are no defined service intervals in the technical data provided.

Frequently asked questions

Can this spacer be used in steam systems?
No, it is not suitable for use with steam. The EPDM sealing element is not designed to withstand the high temperatures and pressures typically found in steam applications.

Is this spacer compatible with glycol-based fluids?
Yes, it is suitable for water with up to 50% glycol content. This makes it appropriate for use in chilled water systems and other low-temperature applications.

Can the spacer be used in vertical pipe runs?
Yes, it can be installed in both horizontal and vertical orientations. However, care must be taken to ensure that the flange connections are properly aligned and that the sealing element is not subjected to lateral forces.

What is the maximum operating temperature for this spacer?
The maximum operating temperature is +100°C.