Valve that has a rotating disk as a plug element.
They are simple, light and low cost. The maintenance cost is also low because they have minimal moving parts.
There are two types: Wafer Type Butterfly Valve and Lug Type.
Coating Material: Available with PTFE and PFA coatings, to suit different needs.
Multiple Operation Methods: They can be operated manually, through gears, or with electric, pneumatic and hydraulic actuators.
Various Connections: Available connection types include wafer, flange, lug, among others, offering flexibility in installation.
Variety of Sizes and Materials: Available in a wide range of sizes and additional materials, customized to specific application needs.
EDesign and Manufacturing standard | HG/T3704, GB/T 12238 | 608 API |
Face to Face Dimension Standard | HG/T 3704, GB/T 12221 | ASME B16.10 | ||
Flange Standard | HG/T 20592, GB/T 9119 | ASME B16.5 JIS B2220 | ||
Inspection and Testing Standard | GB/T 13927 JB/T 9092 | 598 API | ||
Nominal diameter | DN50~DN500 | 2”~20” | ||
Nominal Pressure (MPa) | 1.0 | 1.6 | 150 lbs | |
MPa Pressure Test | Body Pressure Test | 1.5 | 1.5 | 1.5 |
High Pressure Closure Test | 1.1 | 1.1 | 1.1 | |
Low Pressure Closing Test | 0.6 | 0.6 | 0.6 | |
Temperature Range (°C) | PFA: -30~200 FEP: -30~150 | |||
Applicable Medium | Strong corrosive media, i.e. Hydrochloric Acid, Nitric Acid, Hydrofluoric Acid, Liquid Chlorine, Sulfuric Acid and Aqua Regia, etc. | |||
