Specifies the principal dimensions of loose backing flanges for butt or socket fusion welded flange adaptors and clamping flanges. It applies to flanges for pipe sizes from 16 to 315 mm outside diameter and for nominal pressure up to 1 MPa.
Status : WithdrawnPublication date : 1976-11
Edition : 1Number of pages : 2
Technical Committee:Plastics pipes and fittings for water supplies