What is BS 5433 – Specification for underground stopvalves about?
Underground stopvalves are usually used to stop or maintain a steady regulated flow of liquid running through the underground pipes.
BS 5433 is a British Standard that discusses the specifications for safe and adequate use of underground stopvalves.
BS 5433 applies to copper alloy screwdown stopvalves of nominal sizes from ½ to 2 for installation on underground water service pipes.
The nominal size is that corresponding to the pipe size of the thread at the end connection. It includes stopvalves with ends screwed internally or externally or arranged in accordance with clause 25, and fitted with a crutch or with a square head.
Who is BS 5433 - Specification for underground stopvalves for?
BS 5433 on specification for underground stopvalves is relevant to:
- Underground stopvalve manufacturers
- Product designers
- Quality control and testing personnel
- Local authorities involved with water supply systems
- Regulatory bodies
Why should you use BS 5433 - Specification for Underground stopvalves?
Underground stopvalves are required to regulate the fluid flow through the pipes. However, the quality and performance of these products play a vital role in the overall operational efficiency of underground water service pipes.
In this regard, BS 5433 covers best industry guidance on size, materials, dimensions and provides reference standards for testing of underground stopvalves and its components to ensure they play a positive role in the performance of water supply systems.
Moreover, best practices on workmanship and design and construction of underground stopvalves and its parts are also covered.
Thus, complying with BS 5433 requirements can ensure your underground stopvalves are safe, durable and effective at the point of use. As a result, incidents of corrosion, defects and overall product failures can be minimized.
