Vibration Damping Spacer - Series W8 - DN 40; L=70mm; EPDM BRA.W8.500

Product detailed description

Vibration damping spacers are essential in HVAC and water distribution systems where mechanical vibrations and noise transmission need to be controlled. These spacers are commonly used in heating, ventilation, and air conditioning systems, as well as in domestic and industrial water supply lines. They help isolate pipe segments from structural elements, reducing the risk of resonance and acoustic amplification. In industrial and commercial buildings, these spacers are installed in areas where piping runs through walls, floors, or ceilings, ensuring that mechanical disturbances are minimised. The design of the spacer ensures compatibility with standard pipe layouts and allows for easy integration into existing systems.

Technical parameters

Material: - flanges	Galvanised steel
Nominal diameter	DN 40
Nominal pressure	PN 10
Weight	3.614 kg
Code	W8500040
Brand	IVAR

The technical parameters of the vibration damping spacer are crucial for proper sizing and system compatibility. The nominal diameter (DN 40) determines the size of the pipe it can connect to, while the pressure rating (PN 10) defines the maximum allowable operating pressure. The material of the flanges and the EPDM sealing element are selected based on the operating conditions and the type of fluid in the system. These parameters ensure that the spacer can be correctly dimensioned for the intended application and that it will perform reliably under the expected load conditions.

Installation and connection

The vibration damping spacer is installed between two flanged pipe sections to isolate mechanical vibrations. The flanges must be cleaned and inspected for damage before assembly. The spacer is positioned between the flanges, ensuring that the EPDM sealing element is correctly seated. The flange bolts should be tightened evenly to avoid misalignment or uneven pressure distribution. Common installation mistakes include over-tightening the bolts, which can damage the sealing element, or failing to align the flanges properly, which can lead to leaks or reduced vibration damping effectiveness. It is important to follow the manufacturer's torque specifications and to use a calibrated wrench for tightening.

Compatibility and accessories

This vibration damping spacer is compatible with standard flanged pipe systems operating under PN 10 pressure conditions. It is suitable for use with water and glycol-based fluids but is not recommended for steam, gases, or hydrocarbon-based liquids. When ordering, ensure that the flange dimensions and bolt patterns match the existing system. No additional accessories are required for standard installation, but it is recommended to have spare sealing elements on hand for maintenance purposes. No related products are listed for this model.

Technical background for designers

The vibration damping spacer operates by absorbing mechanical energy through the flexible EPDM sealing element. This material is chosen for its resilience and resistance to water and glycol mixtures. The galvanised steel flanges provide a durable and corrosion-resistant connection point. The spacer is designed to allow slight movement between pipe sections, preventing stress transfer to surrounding structures. The operating temperature range (-10°C to +100°C) ensures that the spacer can be used in a wide range of environments. The service life of the spacer is influenced by the operating conditions, including the frequency and intensity of vibrations, the chemical composition of the fluid, and the maintenance schedule.

Service and operation

Regular inspection of the vibration damping spacer is recommended to ensure continued performance. Check for signs of wear, such as cracking or hardening of the EPDM sealing element, and for any misalignment of the flanges. If the sealing element shows signs of degradation, it should be replaced to maintain the effectiveness of the vibration damping. No specific service intervals are provided in the technical documentation, but it is advisable to inspect the spacer during routine system maintenance. Ensure that the system is depressurised and drained before performing any maintenance work.

Frequently asked questions

Can the vibration damping spacer be used with glycol-based fluids?
Yes, the spacer is suitable for use with water containing up to 50% glycol. The EPDM sealing element is compatible with this type of fluid.

Is the spacer suitable for steam systems?
No, the spacer is not recommended for use with steam. The operating conditions and material properties make it unsuitable for high-temperature steam applications.

Can the spacer be used in gas systems?
No, the spacer is not suitable for gas systems. The EPDM sealing element and the material of the flanges are not designed for gas applications.

Can the spacer be used with hydrocarbon-based liquids?
No, the spacer is not suitable for use with hydrocarbon-based liquids. The EPDM sealing element may degrade when exposed to such fluids.