Cam&groove coupling Brass. Size:1/2"-- 6", Type: A,B,C,D,E,F,DC,DP, Qualified member ... ", 11/2", 2 , 21/2", 3", 4", 5", 6" 5) Type: A,B,C,D,E,F,DC,DP/Brass6) Cast ... method available : Gravity Cast, Sand Cast7) Gasket : Nitrile rubber8) Processing : CNC machining9) Packing: International seaworthy packaging, or according to customers’ requirements ...