... Coupling: 1) Type: A, B, C, D, E, F, DC, and DP; 2) Size: 1/2", 3/4", 1", 1- ... applications for petroleum handling, chemical processing, dry bulk handling, agricultural, and water, etc. 1) Material: brass 2) Type: A, ... B, C, D, E, F, DC, and DP.3) Size: 1/2", 3/4", 1”, 1- ... : (1) Precisely machined for accurate fit, join fast and save effort. (2)Recess holds gasket firmly in place ...