Type: single-seat casting ball valve
Nominal diameter: 25、40、50、80mm
Nominal pressure: ANSI 900、1500、2500 JIS 63K
Connection type: flange connection: ：RF、RJ
Welded connection: embed welding SW（25～80mm）Butt welding BW(80mm)
Material: carbon（ZG230-450））、CrMo steel、carbon steel（ZG1Cr18Ni9Ti、ZG1Cr18Ni12Mo2Ti、ZG00Cr18Ni12Mo2Ti）
Upper cover: normal temperature（P）：-5～+230℃
Elongation of type Ⅰ（E1）： +230～+566℃
Notes: working temperature should not exceed allowed range of all kinds of materials
Cover type: Bolt Clamp
Packing: V type PTFE packing、PTFE asbestos packing、asbestos braided packing、graphite packing
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