CE 1/2 Chrome Brass water check valve 1)material:brass. 2)size:1/2"3/4"1. 3)packing:plastic bags. 4 ... )guarantee time:15 years CE 1/2 Chrome Brass water check valve 1)the material:ppr body,brass ... ball. steel handle. 2)the size:1/2,3/4,1"1"1/4,2 ... glue applied to join body & bonnet suitable medium:water,Non causticity liquid,saturated steam. CE 1 ...