Complies with the following standards:
Mechanical Properties of Ductile Iron in accordance with ASTM A536 (Grade 65-45-12)
Fittings are manufactured in accordance with ASME B16.3 and ASME B16.14
Hardness: 131-222 BHN
Threads NPT per ASME B1.20.1
Design Test Pressure: 500 PSI
UL Tested and FM Approved