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EN 124 does not apply for gratings of prefabricated drainage channels (according to EN 1433) or floor and roof gullies in buildings (specified in EN 1253-1).^[30]

2. Sealing Capability Gate valves can create a robust seal when closed, preventing leakage and ensuring that water does not flow through when it is not needed.

Conclusion

Conclusion

To ensure that gate valves operate effectively, regular maintenance is essential. One common issue with gate valves is the accumulation of debris around the gate, which can hinder proper opening and closing. To combat this, operators should routinely inspect and clean valves, especially in systems where sediment or particulates are prevalent in the fluid being transported.