AS 4087-1993

Specifies flanges principally intended for waterworks purposes, with working and test pressures for Classes 14, 16, 21 or 35 at temperatures not exceeding 80 degrees Celsius, that have bolting details compatible with the appropriate table of AS 2129. Dimensions are given for copper alloy plate and integral without neck flanges, ductile cast iron screw-on and integral with neck flanges, grey cast iron integral with neck (for pipe fittings) and integral without neck (for other than pipe fittings) flanges and steel blank, plate and integral without neck flanges for ranges of nominal size and class. Specifies grades of material and requirements for selection of bolting and assembly of flanged joints.