As a standard, AIL Valves are made in Carbon Steel to ASTM A216 Gr. WCB. For valves in other materials and for accessories like gear operation and electrical actuators, suffix suitable abbreviations to the above ordering code such as :
- WC6 for ASTM A217 Gr. C6
- WC9 for ASTM A217 Gr. WC9
- LCB for ASTM A352 Gr. LCB
- LCC for ASTM A352 Gr. LCC
- C5 for ASTM A217 Gr. C5
- C12 for ASTM A217 Gr. C12