YBGD

Features:     HIGH GRADE DUCTILE IRON WITH BETTER CORROSION RESISTANCE AND GREATER YIELD STRENGTH ( 2"、3"、4") RPTFE  (6") DELRIN SEAT STANDARD PORT NACE VALVES INCIUDE 316 STAINIESS STEEL BALL AND STEM LOCKING DEVICE STANDARD GROOVED DIMENSIONS CONFORM TO ANSI/AWWA C606