One-piece flange ball valve WCB  

Design Features:  ◆Design standard:GB/T 12237，API608，JPI 7S-48 ◆Flanged ends:GB/T 9113，JB/T 79，HG 20596，ANSI B16.5，JIS B2212-B2214 ◆Test & inspection:JB/T9092，GB/T 13927，API598  ◆Applicable Medium: Water,oil,gas Etc