Country of Origin is Indonesia
• ASTM A 197- Standard Spec for Cupola malleable Iron• ASTM A 153- Standard Spec for zinc coating (Hot Dip) on iron and steel• ANSI B 16.3- Malleable Iron Threaded...
All Malleable threaded fittings manufactured for and by PT TRI SINAR PURNAMA conform to, comply with, and are manufactured to the following standards.
• ASTM A 197- Standard Spec for Cupola...