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City Plumbing GB£14.65Visit shop Plumbright Single Check Valve 28Mm Dzr Sgv28dzr
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The Plumbright 28mm Single Check Valve is an essential component for professional plumbers and DIY enthusiasts managing residential or commercial water systems. Its primary benefit is providing reliable, one-way flow control to prevent backflow and protect your infrastructure from potential contamination. While it is highly durable due to its DZR construction, users should note that this valve is strictly for single-direction applications and cannot be adjusted for flow rate regulation.
| Model Part Number | SGV28DZR |
|---|---|
| Brand | Plumbright |
Yes, the materials used in the Plumbright 28mm DZR valve are suitable for standard domestic potable water supply systems.
Yes, this check valve can be installed in both horizontal and vertical positions, provided the flow direction matches the indicator on the valve.
DZR stands for Dezincification Resistant, meaning the brass is specifically alloyed to prevent the loss of zinc, which can weaken standard brass in certain water environments.
The valve is designed as a sealed, maintenance-free unit. If the internal mechanism fails, the valve should be replaced.
Please refer to the technical data sheet for your specific batch, but generally, this valve is designed for standard residential pressure ratings up to 10-16 bar.
Verify that the directional arrow on the valve body aligns with the actual flow of the pipe; if installed backward, the check mechanism will not function.
Check that sufficient thread sealant was used during installation and ensure the pipe ends are square and free of debris.
Inspect the internal check disc for debris or mineral deposits that may be preventing the valve from fully opening.
To install, ensure the flow direction arrow on the valve body is pointing in the intended direction of water movement. Use appropriate pipe joint compounds or PTFE tape on the threads to ensure a leak-proof connection. Because the valve is designed for 28mm plumbing, it is compatible with most standard copper and PEX-to-brass adapters. Regular maintenance involves inspecting the valve annually for mineral buildup. In hard water areas, consider flushing the system occasionally. Do not use excessive force when tightening the connections, as this may compromise the structural integrity of the valve body.
