... CE,ISO9001:2000 Certificate 3. 3-5 Years Guaranty Brass Ball Valve 1. Brass Material MS58,MS59 CW617 CW602N,CZ132 Lead free brass2. ... , 2" , 2-1/2" , 3" , 4"3. Surface Yellow brass color Nickel plated Chrome plated4. Point Thread: ISO228 ( Equivalent to ... CE, ISO9001:20006. Guaranty 3-5 Years GuarantyProducts Photos:Handle for choice:Produce Process: 4" Brass Ball Valves with stainless steel ...