1.Nominal pressure (MPa): 1.6,2.0，2.5,4.0,5.0，6.3, 10.0，11.0
2.Applicable temperature: D type(-29～ 121℃),G type (-29～ 200℃)
3. Applicable media: ordinary type (petroleum, natural gas, water and other noncorrosive media), anti-sulfur type (petroleum,natural gas and water containing H2S, CO2 and other corrosive media）
4. Valve shut-off class: hard seal V class, soft seal VI class (Hard seal VI class is for special order.) conforms to GB/T4213 and ASME B16.104
5.Opxional driving modes: pneumatic, electric, manual
