... Alumninum. Size:1/2"-- 6", Type: A,B,C,D,E,F,DC,DP,DA,SA,AA, Standard: DIN EN 14420 ... -7-2005. Cam&groove CouplingAluminum Cam Lock CouplingUsed in a wide variety of applications for petroleum handling ... ", 3", 4", 5", 6" 5) Type: A,B,C,D,E,F,DC,DP,DA,SA,AA/Aluminum6) Cast method available ... customers’ requirements.10) We are qualified member of NFPA. cam lock coupling