use in stormwater control pits to create a high head of pressure at the outlet orifice opening.
flap valve is fitted over the inlet pipe from the stormwater detention
storage area and regulates
the flow of stormwater into the local council system.
Flap valves are used in conjunction with other
WILMAC environmental products e.g. Trash Screens, Orifice Plates etc. We supply
only one size
which can be used over inlet pipes 50mm to 225mm.
WITH LOCAL COUNCIL AND WATER AUTHORITY REQUIREMENTS