Product Overview
D371X butterfly valve. Our company developed the soft sealing center line intersecting butterfly valve, double eccentric flange butterfly is compact structure.90° rotary switch is easy, reliable sealing, long service life, widely used in water plants, power plants, steel mills, paper, chemical, food and other systems supply and drainage, as a regulation and cut-off use.
Structural Characteristics
- The valve adopts double eccentric structure, with the sealing function of tighter and tighter closing, and reliable sealing performance;
- The sealing accessory material is made of stainless steel and nitrile oil-resistant rubber, with a long service life.
- Rubber sealing ring can be located in the valve body, also can be located in the butterfly plate, can be suitable for different characteristics of media, for users to choose;
- Butterfly plate adopts frame structure, high strength, large flow area, small flow resistance.
- The overall baking paint, can effectively prevent corrosion and as long as the replacement of sealing seat material, can be used in different media;
- The valve body has two-way sealing function. The installation is not controlled by the flow direction of the media, nor affected by the spatial position. It can be installed in any direction.
- The valve has unique structure, flexible operation, labor-saving and convenient.
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
