... :water,oil,gas 3.Certification:CE. Durable Forged Brass Mini Ball Valve.1.Model No. : LDM-BV222.Material: Body Brass,Hpb57-3 ... ,CW617n, CuZn39pb3,CuZn40pb2,CW3770,DZR. Ball Brass as above,lead free brass,Brass ball. chrome coated,Iron ball chrome coated. Stem Brass Stem ... processing,assembly,pressure test and packing,etc,all by ourselves.With the advantage of one stop production service,we are able ...