3/4" PLUS shut-off valve for diaphragm vessels
The IBO PLUS shut-off valve for diaphragm vessels is a brass fitting that connects a diaphragm vessel to a central heating or domestic hot water system. In everyday use, it ensures a secure connection between the vessel and the system, while when needed it enables quick removal—for pressure checks, maintenance, or replacement—without draining the entire system. The built-in shut-off pin stops the flow, preventing water from running out automatically.
Who it is for
- Central heating installers and plumbers – it allows the vessel to be disconnected without draining the entire system, shortening installation and servicing times.
- Heating system service technicians – replacing or inspecting the vessel takes only a moment, without the risk of flooding the boiler room.
- Home users and boiler room owners – it facilitates maintenance of the diaphragm vessel in central heating and domestic hot water systems.
- System designers – the valve can be included as a permanent component to facilitate servicing of the expansion vessel.
Applications
The PLUS shut-off valve for diaphragm vessels is used when installing diaphragm vessels in central heating and domestic hot water systems. It is installed between the system and the vessel, usually in the boiler room or near the safety group.
It is suitable wherever the vessel requires periodic pressure checks, maintenance, or replacement. Thanks to the valve, these tasks can be performed without draining the entire system, which is particularly convenient in extensive heating systems. The brass PLUS shut-off valve for diaphragm vessels is suitable for both new installations and modernizations of existing ones.
Features of the PLUS shut-off valve
The valve is made entirely of brass—a material resistant to corrosion and well suited to working with hot water in heating systems. One side has a connection thread, while the other has a union nut, allowing the vessel to be conveniently connected and disconnected without interfering with the rest of the system.
Inside the body is a shut-off pin that automatically closes the flow when the vessel is removed. It prevents liquid from flowing out when the vessel is dismantled. The valve is designed to work with water temperatures of up to 100°C and pressures of up to 10 bar, corresponding to typical conditions in central heating and domestic hot water systems.
- Material: brass
- Connection: G ¾"
- Max. operating pressure: 10 bar
- Max. operating temperature: 100°C
- Application: central heating and domestic hot water systems
IBO – 24 months (2 years) manufacturer’s warranty. Dambat provides warranty and post-warranty service.
Dambat – a trusted manufacturer of pumps and hydrotechnical equipment with quality certifications.
Frequently asked questions (FAQ) – what is the isolation valve for diaphragm vessels used for?
What is the isolation valve for diaphragm vessels used for?
The isolation valve is used to connect a diaphragm vessel to a central heating or domestic hot water system so that it can be quickly disconnected for inspection or replacement. Once the vessel is removed, the valve automatically shuts off the flow, so the entire system does not need to be drained.
How does the valve prevent water from flowing out when the vessel is removed?
The valve body contains a shut-off stem. When the vessel is connected, the flow is open; when the vessel is unscrewed, the stem closes the channel and stops the medium in the system. This prevents water from flowing out on its own, speeding up servicing and reducing the risk of flooding.
Is the valve suitable for central heating and domestic hot water systems?
Yes. The PLUS isolation valve for diaphragm vessels is designed for use in both central heating and domestic hot water systems. It is suitable for a medium temperature of up to 100°C and pressure of up to 10 bar.
How do I install the isolation valve for a diaphragm vessel?
Before installation, disconnect the heat source and release the pressure in the system. Install the valve between the system and the vessel, and properly seal the threaded connections. After installation, a leak test and adjustment of the system pressure to the correct level are recommended.
Is the PLUS isolation valve covered by the manufacturer’s warranty?
IBO – 24 months (2 years) manufacturer’s warranty. Dambat provides warranty and post-warranty service.
Where can I buy the PLUS isolation valve for diaphragm vessels?
As a manufacturer, we do not sell directly. The PLUS isolation valve for diaphragm vessels is available from our trade partners, plumbing wholesalers, and authorized online distributors.
