Mode: through single-seat cast ball valve
Nominal diameter: 20、25、40、50、65、80、100、150、200mm
Nominal pressure: ANSI 125、150、300、600
JIS 10、16、20、30、40K
PN1.6、4.0、6.4MPa
Connection mode: flange connection: FF、RF、RJ、LG、groove-type, embedded
Flange standard: JIS B2201-1984、ANSI B16.5-1981、GB/T9112～9124-2000, etc
Welding connection: welding of embedded SW
Material: cast steel（ZG230-450）、cast stainless steel（ZG1Cr18Ni9Ti、ZG1Cr18Ni12Mo2Ti、ZG00Cr18Ni12Mo2Ti）、titanium, etc
Upper cover: general temperature（P）：-17～+230℃
Elongation of type Ⅰ（E1）: -45～-17℃ +230～+566℃
Elongation of type Ⅱ（E2I）: -100～-45℃
Elongation of type Ⅱ（E2W）: -196～-100℃
Notes: working temperature should not exceed allowed range of all kinds of materials
Gland type: bolt clamp
Packing: V type PTFE filler、asbestos packing impregnated with PTFE、asbestos braided packing graphite packing
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