Stop Valve (SV) and Air Valve (AV) Concrete Infilled Covers are robust Ductile Iron Covers manufactured to AS 3996-2019 and in accordance with Sydney Water DTC requirements.
SV Covers have a single sealed port, whilst the AV Covers have twin vented ports. Both cover types are installed as covers over pits housing water main valves.
|AV99D||914x914mm Clear Opening. Air Valve Ductile Iron Cover & Frame, 2 Part Concrete Infill, with 2x 225mm Dia. Clear Opening Class D|
|SV99D||914x914mm Clear Opening. Stop Control Valve Ductile Iron Cover & Frame, 2 Part Concrete Infill, with 1x 225mm Dia. Clear Opening Class D|