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
How to Repair a Broken Butterfly Valve Handle – Emergency Operation Tips and Replacement
A broken butterfly valve handle is one of those unexpected failures that can bring a process line to a standstill at the worst possible moment. [2026-10-07 ]
How to Correct a Butterfly Valve Installed in the Wrong Direction – Confirming the Flow Arrow
Butterfly valves are widely used for flow control in water treatment, HVAC, chemical processing, and industrial piping systems. [2026-09-28 ]
Butterfly Valve Stiff Operation and Excessive Torque: Causes and Solutions for Turbine Gearbox Lubrication
A butterfly valve that suddenly becomes difficult to turn—or one that has gradually stiffened over months of service—is a common but entirely solvable problem. In many cases, the [2026-09-23 ]
Manufacturers_of_Butterfly_Valves_for_Oxygen_and_Oxygen-Enriched_Service_–_Strict_Degreasing_and_Cleaning
In oxygen-enriched environments, even the smallest trace of hydrocarbon contamination can trigger a catastrophic fire or explosion. This fundamental safety principle drives the ent [2026-09-18 ]
