... ,WC6,CF8,CF8M,CF3,CF3M API6D ISO9001 Through Conduit Gate Valve 1.Size:DN25-1000mm2.Pressure: PN1.0-16.0MPa ... control the production quality effectively Specification:1.Pipeline valve: API6D,API6002.Steel flat gate valve for pipeline: JB/t52983.Pipe flange and ... type: Flange,Butt welding.9.Design feature: Rising-stem parallel single-disc,Rising-stem parallel double-disc.10.Sealing formation:Hard alloy, ...