ball valve

• Industrial valves . cupro - aluminium ball valves . specification
  工业阀门.铜铝合金球阀.规范
• Fine casting full flow stainless ball valve to
  精铸不锈钢全流量阀
• All carbon steel body ball valves come with carbon steel handles
  所有碳钢阀体球阀都配置碳钢手柄。
• Reduced bore nonferrous metal ball valves
  变径孔有色金属球阀
• 16 1 2f aluminium plastic pipe ball valve
  16 1 2f铝塑管球阀
• Metal ball valves for petroleum , petrochemical and allied industries
  石油石化和相关工业用金属球阀
• Specification for cast iron and carbon steel ball valves for general purposes
  通用铸铁和碳钢球阀规范
• Remove the relief valve hose from fitting below inlet ball valve
  从进口球阀下面连接件拆卸安全阀软管。
• Brass ball valve ppr female ball valve
  黄铜丝口球阀美制
• Full bore nonferrous metal ball valves
  满孔有色金属球阀