Combined Pipe Specifications

The inbuilt pipework database contains certain selections which are a combination of materials:

  • Steel, 1387 Heavy/3600: Pipes up to and including 150mm dia (6") are EN 10255/BS1387 'Heavy' sizes; 200mm dia (8") and above are EN 10220/BS3600 sizes.

  • Schedule 40/ST: Pipes up to and including 200mm dia (8") are Schedule 40 sizes; 250mm dia (10") and above are ST sizes.

  • Typical Pipe Materials

    The inbuilt pipework database contains certain selections which have typical dimensions that should be treated as being preliminary, subject to confirmation by the manufacturer:

  • BS EN 10220 (ex BS3600) Typical: Nominal and outside diameters are based upon standard dimensions given by EN 10220/BS3600, with wall thickness incrementing up to the maximum of 25mm (1in) given in the standard.