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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.
914x914mm Clear Opening. Air Valve Ductile Iron Cover & Frame, 2 Part Concrete Infill, with 2x 225mm Dia. Clear Opening Class D
914x914mm Clear Opening. Stop Control Valve Ductile Iron Cover & Frame, 2 Part Concrete Infill, with 1x 225mm Dia. Clear Opening Class D