Fittings and valves
in category: Fittings and valves
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Installation fittings and valves: brass fittings, unions and strainers
The Fittings and valves category includes brass fittings, extensions, unions and half unions, valves, strainers, safety groups and water meter brackets. These components are used to build and upgrade water and heating systems. The range is intended for installers and contractors looking for components in sizes from 1/4" to 2".
What you’ll find in this category
- Brass fittings - nipples, tees, reducers and caps for connecting system components.
- Tap extensions - brass extensions in 3/8", 1/2", 3/4" and 1" sizes, in various lengths from L-10 to L-90.
- Pipe unions - detachable connections, including straight, angled and full-bore types, for water meters and pumps.
- Valves and strainers - ball and check valves, Y-strainers and safety groups for central heating and domestic hot water systems.
- Water meter brackets - mounting brackets from 1/2" (DN 15) to 6/4" (DN 40).
How to choose
- Thread size: match it to the existing system. Sizes in the category include 1/4", 3/8", 1/2", 3/4", 1", 5/4", 6/4" and 2".
- Connection type: check whether you need a female or male thread. You’ll find this information in the product drawing and dimension table.
- Length and dimensions: for extensions and nipples, check the L designation, such as L-10 or L-90. Half unions have separate body and nut threads.
- Operating parameters: the fittings have a maximum operating pressure of 10 bar and a temperature range of 5–95°C. Ball valves for thermometers are rated to 70°C.
- Safety group: choose the correct pressure for the circuit: 3 bar for central heating, 6 bar for domestic hot water. Brass, steel and stainless steel versions are available.
Frequently asked questions
How do I choose a water meter bracket?
The variant designation specifies the bracket connection size, including the DN and thread. Choose one that matches your water meter. The category includes brackets from 1/2" (DN 15) to 6/4" (DN 40).
What threads does a 1/2" L-30 water meter half union have?
The body has a G1/2" male thread and the nut has a G3/4" female thread. Before purchasing, check both threads and compare the dimensions with the drawing.
What pressure are the safety groups rated for?
Central heating safety groups are rated at 3 bar, while domestic hot water safety groups are rated at 6 bar. Some versions have an automatic air vent.
Not sure which thread, valve or bracket to choose? Contact technical support and we’ll help you select the right components.