This range of inlet breechings, cabinets and valves are designed in accordance with BS 5041 and recommended for us in multi floor buildings up to 60 mtrs, High. Buildings exceeding this height are usually protected by a wet rising main. A typical system comprises a vertical riser pipe of 100mm or 150mm nominal bore with landing valves titled on each floor and an inlet breeching at street level, an automatic air release valves is used to release trapped air when the riser is charged with water. After use the system in manually drained by use of the drain valve on inlet breeching. The valves and inlet breeching are normally enclosed in wire glass fronted red cabinets.
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