NORMATIVE
- ANSI B16.9 e ANSI B16.11
- MSS SP95
- SP 83
- BS 3799
NORMATIVE MATERIALI
- ASTM A234/WPB
- ASTM A420/WPL6
- ASTM A105
- ASTM A350/LF2
- ASTM A312 TP316L
- ASTM A312 TP304L
- ASTM A182 F316L
- ASTM A182 F304L
NORMATIVE DI FABBRICAZIONE
- ANSI B16.9 e ANSI B16.11
- MSS SP95
- BS 3799
- EN10226-1
NORMATIVE LAVORAZIONI
norme ASA B2.1 (NPT)
GAS UNI 338/339 o ISO