A High-Performance Butterfly Valve (Wafer Type) is a versatile and reliable valve designed for precise flow control in various industrial applications. The wafer-type design allows for easy installation between flanges, making it space-efficient and cost-effective. Known for its ability to handle high-pressure, high-temperature, and abrasive environments, this valve features a robust construction that ensures tight shutoff and minimal leakage. The high-performance characteristics stem from its specially designed disc and seal, which provide excellent sealing capabilities and low torque operation, even in demanding conditions.
These valves are ideal for industries where reliable flow control, durability, and efficiency are crucial. With their high sealing capabilities, the wafer-style high-performance butterfly valves are commonly used in sectors such as oil and gas, chemical processing, power generation, and water treatment. They offer excellent performance across a wide range of applications, from regulating the flow of fluids to providing on/off isolation in pipelines and systems.
High performance butterfly (Wafe) Valve is trusted across various industries for its precision, durability, and reliability. Explore its wide-ranging applications below:
Used to regulate the flow of crude oil, natural gas, and refined products in pipelines, ensuring reliable performance and tight shutoff under high-pressure conditions.
Employed in steam, feedwater, and cooling systems, offering precise flow control and tight sealing for efficient operation in high-pressure, high-temperature environments.
Handles the flow of chemicals and gases in pipelines, providing a durable and reliable valve solution with excellent sealing capabilities in both low and high-pressure applications.
Installed in water distribution systems and treatment plants, providing efficient flow regulation and tight sealing for both municipal and industrial applications.
Used in HVAC systems to regulate air or water flow, ensuring optimal performance and energy efficiency in heating, ventilation, and cooling applications.
Installed in marine and offshore systems, controlling fluid flow in ballast water, fuel, and cooling systems, providing reliable operation in harsh environments.
Generally high performance butterfly valves are single eccentric or double eccentric. As to double eccentric structure, valve shaft is designed deviated from the centerline of sealing face to form up the first eccentric, and slightly deviated from the centerline of pipe to form up the second eccentric. The eccentrics are to make seat disengaged from sealing ring to lower the friction O when disc is opened to approximately 20 . . Soft seal seat, made of TFE, PTFE or RTFE, fireproof construction conforming to API607 fire test, provided with sealing property in case of fire.
Hard seal structure is provided with intrinsical fireproof property, Two-way-leak-proof seal. Seat replaced with no need to take off disc and stem. The upper and lower stems provided with low-friction sleeves to lower the frictional force of stem when valve is opened or closed. Double eccentric structure to lower the abrasion at the upper and lower ends of seal in case of frequent open and close, The interface between valve and drive unit conforms to ISO5211. Product qua-lity is under rigorous control according to ISO9001.
| No. | Part Name | Materials | Optional Materials |
|---|---|---|---|
| 1 | Body | Cast Steel | SS, Monel |
| 2 | Spacer | SS | SS, Monel |
| 3 | Bushing | PTFE+Bronze | Lubrized Bronze |
| 4 | Disc | Cast Steel | SS, Monel |
| 5 | Gasket | Graphite | Graphite |
| 6a | Seal Ring | PTFE/PTFE+SS | SS+Graphite |
| 6b | Seat | Carbon Steel+13Cr | SS, Monel |
| 6c | Gasket | Graphite | Graphite |
| 6d | Seal Ring | SS | -- |
| 7 | Gasket | Graphite | Graphite |
| 8 | Metalseat tongue | SS | Graphite |
| 9 | Gasket | Graphite | Graphite |
| 10 | Retainer | NBR | FPM |
| 11 | Retainer Flange | Carbon Steel | SS, Monel |
| 12 | Stem | SS | 316, Monel |
| 13 | Spacer | SS | SS, Monel |
| 14 | Bushing | PTFE+Bronze | Lubrized Bronze |
| 15 | Packing Seat | SS | SS, Monel |
| 16 | Packing | Graphite | Graphite |
| 17 | Gland | Carbon Steel | SS |
| 18 | Packing Bushing | SS | PTFE |
| 19 | Yoke | Carbon Steel | SS |
| 20 | Limit Disc | Carbon Steel | -- |
| 21 | Lever | Carbon Steel | -- |
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