Product detailed description
Expansion vessels are essential components in closed heating and cooling systems, particularly in residential and commercial buildings with central heating systems. They manage the thermal expansion of water as the system heats up, ensuring pressure remains within safe limits. Installers and system designers must ensure correct sizing and positioning to maintain system integrity and prevent overpressure scenarios. These vessels are typically installed near the boiler to avoid issues with freezing and to allow for easy access during maintenance.
Proper integration of an expansion vessel ensures the system remains sealed, reducing water loss due to evaporation and preventing corrosion from oxygen ingress. The IBO 50L is suitable for systems where thermal expansion is a regular occurrence, such as in systems with frequent temperature fluctuations or those operating at high temperatures. It is commonly used in conjunction with boilers, heat pumps, and other closed-loop systems.
Technical parameters
| EAN | 5903887246163 |
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| Dimensions H x W x D (cm) | 75x35 |
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| Code | PR_38956 |
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| Brand | IBO |
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The technical parameters of the IBO 50L are critical for correct system sizing and selection. The vessel has a total capacity of 50L, with the internal
membrane separating the water and
gas chambers. The pre-charged gas pressure is 1.5
bar, and the maximum allowable water temperature is 99°C. These values must be considered when calculating the required expansion volume to ensure the vessel can accommodate the system's thermal expansion without exceeding safe pressure limits.Installation and connection
The IBO 50L should be installed in a location where the static water height does not exceed the pre-charged gas pressure indicated on the vessel's label. This ensures the gas chamber is not compressed beyond its design limits. The vessel is connected to the system using standard pipe fittings, with the connection size determined by the system's
flow rate and pressure requirements. It is important to check the manufacturer's guidelines for recommended connection sizes and
thread types to ensure compatibility and prevent leaks.
Common installation mistakes include incorrect positioning relative to the boiler or neglecting to verify the pre-charged gas pressure before installation. The vessel must also be mounted in a stable position to prevent mechanical stress on the membrane. After installation, the system pressure should be monitored to ensure the vessel is functioning correctly and that pressure fluctuations remain within acceptable limits.Compatibility and accessories
The IBO 50L is compatible with a wide range of closed heating and cooling systems, including those with boilers, heat pumps, and solar thermal systems. It is typically used in conjunction with pressure relief valves and safety devices to ensure system safety. No additional accessories are required for standard installation, but it is recommended to verify compatibility with the system's existing components before installation. This vessel is designed to integrate seamlessly into existing systems without requiring major modifications.Technical background for designers
The IBO 50L operates on a thermodynamic principle, where the thermal expansion of water is accommodated by the
compression of a pre-charged gas chamber. The
rubber membrane or bladder ensures that the water and gas remain separated while allowing for pressure equalisation. The membrane is made from a special rubber compound that is resistant to thermal cycling and chemical exposure from the system's water. The vessel's design ensures that the system remains sealed, preventing water loss and reducing the risk of corrosion. The service life and efficiency of the vessel depend on the correct sizing, installation, and maintenance of the system's pressure and temperature parameters.Service and operation
Regular checks should be performed to ensure the vessel is functioning correctly. This includes monitoring the system pressure and verifying that the gas pressure in the vessel remains at the pre-charged level. If the pressure drops below the recommended level, the vessel may need to be recharged. There are no specific service intervals provided in the brief, but it is recommended to inspect the vessel periodically for signs of wear or damage to the membrane. Any leaks or pressure irregularities should be addressed immediately to prevent system failure.Frequently asked questions
Can the IBO 50L be used in a closed-loop cooling system?
Yes, the IBO 50L is suitable for both heating and cooling systems that operate within the specified temperature and pressure limits.
Is the gas pressure in the vessel adjustable?
No, the gas pressure is pre-charged to 1.5 bar and should not be adjusted after installation.
Can the vessel be installed in a vertical position?
Yes, the IBO 50L can be installed vertically, provided it is mounted in a stable position to prevent mechanical stress on the membrane.
