SEP Priority Demand Valve – DN15-DN50 – Actuated Ball
Sale Engineering Products
£236
The Requirement BS9251 – the standard for ‘fire sprinkler systems for domestic and residential occupancies’ – states in broad terms that IF: • the mains water supply flow rate available to the fire sprinkler system is liable to be affected by domestic water usage (e.g. shower, washing machine etc). • THEN a valve must be fitted to cut off supply for domestic use in the event of a sprinkler activation. • AND that valve must close in the event of a power loss (otherwise known as ‘normally closed’). • PLEASE NOTE that our PDVs are ‘normally closed’ as standard. However, if you require a ‘normally
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