Priority Demand Valve V2 - Ball Valve/Butterfly Valve
| Size Range | 25mm - 50mm (1" - 2") - Ball Valve 50mm - 200mm (2" - 8") - Butterfly Valve |
|---|---|
| Maximum Working Pressure | 16bar (232psi) |
| Working Temperature Range | -10ºC to 70ºC (14ºF to 158ºF) |
| Connections | BSP female thread according to ISO 228/1 - Ball Valve Semi lug wafer pattern to suit PN16 Flange according to BS EN 1092 and Table D/E flanges according to BS 10 - Butterfly Valve |
Rapidrop's innovative electrically driven Priority Demand valve for use with mains water supply or stored water supply residential sprinkler systems. Upon activation of a flow switch/relay, the valve will automatically close the domestic supply allowing all water to flow to the sprinkler system
The priority demand valve is available in ball or butterfly type body(depending on connection) attached to a specific actuator (dependant on size). The appropriate PDV control box will need to be ordered separately.
Priority demand valve on Datasheet 7.21 is designed to meet the requirments of BS9251:2014
Priority demand valve on Datasheet 7.22 is designed to meet the requirments of BS9251:2021
Priority demand valves are available in two different configurations:
- Single PDV - Used in systems designed with a single priority demand valve
- Multiple PDV - Used in systems designed with multiple priority demand valves. Up to 25 PDVs can be simultaneously activated through a single flow switch/alarm relay or tank low level switch