brass ball valve 1/2"-4" CE, ISO9001:2008,ISO9001:14001 CERTIFICATED more than 15 years experience on valve industrial PN40 full flow heavy duty brass ball valve, made of lead free or DZR brass, chrome plated ball, nickle plated body, brass stem with PTFE and additional Viton O-Ring seals, 2 pcs O-Rings, Female x Female BSP or NPT threaded connection size from 1/2 to 4 inch, DN15 to DN100 Other ...