1 Scope
2 Definitions
2.1 Piping
2.2 Field Piping
2.3 Direct process piping
2.4 Signal piping
2.5 Air
2.6 Pneumatic supply
2.7 Signal air
3 General
3.1 Application
3.2 Reference standards or recommended practices
4 Pneumatic piping
4.1 Pneumatic supply
4.2 Signal piping
4.3 Fittings
5 Direct process piping