1.Nominal pressure (MPa):1.6,2.0,2.5, 4.0,5.0,6.3, 10.0, 11.02.
2.Applicable temperature:low temperature type (-46～ 345℃), normal temperature type (-29～ 250℃), medium temperature type (-29～ 425℃),high temperature type ( 425～ 600℃)
3.Applicable media:water,steam,gas,oil
4. Bonnet type: standard type (-20～ 300'℃), high temperature (cooling fin) type ( 300～ 600℃) low temperature (extension)type(-60～-20℃)
5. Valve shut-off class: hard seal V class,soft seal VI class (Hard seal VI class is for special order.) conforming to GB/T4213and ASME B16.104
6. Opxional driving modes: pneumatic,electric,manual
