Product Overview
Soft seal butterfly valve the double eccentric flange butterfly valve developed by our company has a compact structure. The 90° rotary switch is easy, reliable and has a long service life. It is widely used in water supply and drainage of water plants, power plants, steel mills, papermaking, chemical industry, catering and other systems, as adjustment and cut-off use.
Structural Characteristics
- The valve adopts double eccentric structure, which has the sealing function of closing more tightly, and the sealing performance is reliable;
- Stainless steel and NBR oil resistant rubber are used as sealing materials, which have long service life,
- The rubber seal ring can be located on the valve body or butterfly plate. It can be used for different media for users to choose;
- The butterfly plate adopts frame structure with high strength, large flow area and small flow resistance
- As long as the sealing valve seat material is replaced, it can be used in different media;
- The valve body has two-way sealing function. It can be installed in any direction without the control of medium flow direction and space position,
- The valve has unique structure, flexible operation, labor saving and convenience.
Execution Standard
Design specification: GB/T 12238
Structure length: GB/T 12221
Flange connection: GB/T9113, JB/T172416
Test and inspection: GB/T 13927
Performance Parameter
Nominal diameter: DN50~1200mm
Nominal pressure: PN0.6~ 4.0mpa
Applicable temperature: ≤120℃
Main materials: WCB, QT450-10, HT200, HT250
Applicable medium: air, water, sewage, steam, gas, oil, etc
Product Dimensions
