Bolted cover or welded cover,three-piece Body, floating ball or fixed Ball Full or Reduced bore,Blowout Proof Stem Fire safe and Anti static Dual seat with injection and drain & outlet Valve seat material:PTFE､RPTFE､NYLON､DEVLON､Derlin､PEEK､PPL etc
● Design and manufacture: ANSI B16.34,API 608,API 6D,BS5351
● Face to face dimensions: ANSI B16.10,API 6D SW Socket welding ends according to ASME B16.11 NPT threaded connectors according to ASME B1.20.1
● Butt welded: ANSI B16.25
● Fire-safe: API 607~API 6FA
● Test and inspection: API 598,API6D
