3-1/2" x 8" Black Pipe Nipple size_3" x 3" 4 Class 125 NPT threads

4 Class 125   NPT threads on fittings conform to ASME B1

Ductile Iron Conforms to ASTM A 536

material:   Black Malleable Iron connection:   Threaded Thread Type:   One Male & One Female Features:   Meets or exceeds all applicable ASTM and ANSI standards   100% pressure tested before leaving the factory

material:    Brass connection:    PEX x FIP    Lightweight and Strong    ASTM F1960    NSF ASTM F877

To form dielectric connection

3-1/2" x 8" Black Pipe Nipple size_3" x 3" 4 Class 125 NPT threadsmaterial: Black Steel connection: Threaded Thread Type: Male Features: Meets or exceeds all applicable ASTM and ANSI standards Made in The U. S. A.