Butterfly Valve Series
- Cast Iron Butterfly Valves
- Ductile Iron Butterfly Valves
- Stainless Steel Butterfly Valves
- Triple Offset Butterfly Valves
- AWWA C504 Butterfly Valves
- Large Diameter Butterfly Valves
- Sanitary Butterfly Valves
- Flanged Butterfly Valves
- Lug Butterfly Valves
- Wafer Butterfly Valves
- High Vacuum Butterfly Valves
Product drawing»
Structural drawing»
Cooperation
Technology
- Butterfly development history, definition and specification parameters
- Butterfly valve model preparation and standards
- Principles, structural features and applied scope
- Classifications
- Advantages and disadvantages
- Butterfly Valve Installation and Maintenance notes
- Butterfly valve failure may occur and methods to eliminate
- Butterfly valve installation and maintenance instructions
- Torque
- The use of different conditions and occasions
News
When a pneumatic butterfly valve receives an open command but drives toward the closed position, or fails to move at all, reversed air tubing is the most likely cause. [2026-11-13 ]
A reversing electric butterfly valve is the most common wiring fault on site. When an open command drives the valve toward closed, the cause is almost always an incorrect motor pha [2026-11-09 ]
Internal leakage in a butterfly valve means the disc does not seal tightly against the seat when the valve is closed. The medium continues to pass downstream even though the valve [2026-11-06 ]
Stem leakage is one of the most common external leaks on butterfly valves. It appears as a drip or seepage at the point where the valve stem passes through the bonnet or body, and [2026-11-04 ]
