... brass water valve1)the material:brass.2)the size:1'1/2,1/2,3/4.3)the packing:plastic bags /carton. Out ... 'requirement. 4)the guarantee time:15years.5)Thecertificate:ISO9001,CE,CPU.6)The colour:bronze.7)the surface:polishing,chrome plated ... ,zinc plated ,nickel plated.8)the pressure:1.6 Mpa. Anti-OXYGEN glue applied to join body & bonnet ...