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
D371X-150LB American Standard Butterfly Valve Series
Sizes: 50~1200mm Pressure: 150Lb
D343H Metal-Seated Butterfly Valve Series
Sizes: 50~2000mm Pressure: 1.0~4.0MPa
D671F Pneumatic Wafer Butterfly Valve Series
Sizes: 50~1200mm Pressure: 0.6~2.5MPa
D71X Wafer Centerline Butterfly Valve Series
Sizes: 50~300mm Pressure: 0.6~2.5MPa
D941X Electric Flange Butterfly Valve Series
Sizes: 50~3000mm Pressure: 0.6~2.5MPa
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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
Butterfly Valve Internal Leakage: How to Judge and Handle, Pressure Test Steps
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 ]
Butterfly Valve Stem Leakage Repair: Packing Tightening and Replacement
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 ]
Butterfly Valve Not Closing Tightly: Leak Fix and Rubber Seat Replacement Steps
A butterfly valve that refuses to shut off completely is a common but solvable problem. [2026-11-02 ]
Yibengfa D341X-16Q Turbine Butterfly Valve: Pressure-Temperature Parameters and Installation Guide
The D341X-16Q is a flanged, wafer-style soft-seated butterfly valve operated by a worm gear (turbine) actuator. [2026-10-30 ]
