IS 1538 Pt.13-1976 Specification for cast iron fittings for water, gas and sewage pressure pipes, Part XIII, specific requirements for crosses and all sockets
This standard ( Part XIII) lays down the requirements for dimensions and masses of cast iron pressure pipe fittings of crosses, all sockets type.
IS 1538 Pt.13-1976 history
1976IS 1538 Pt.13-1976 Specification for cast iron fittings for water, gas and sewage pressure pipes, Part XIII, specific requirements for crosses and all sockets