Three eccentric butt butterfly valve
The Three Eccentric Butterfly Valve is a high-performance industrial valve designed with advanced triple-offset sealing technology. The unique three-eccentric structure eliminates friction between the disc and seat during opening and closing, ensuring reliable sealing performance, extended service life, and low operating torque.
This valve is widely used for demanding applications requiring tight shut-off, high temperature resistance, corrosion resistance, and frequent operation. Compared with conventional butterfly valves, the three eccentric design provides excellent sealing integrity, reduced wear, and superior operational stability, making it an ideal solution for critical pipeline systems.
Three eccentric butt butterfly valve
We provide comprehensive OEM and customized valve solutions according to customer requirements, including:
We provide complete technical documentation, inspection reports, material certificates, and testing records to meet global project requirements.
Parameter Specifications
| Parameter | Specification |
|---|---|
| Product Name | Three Eccentric Butterfly Valve |
| Valve Type | Triple Offset Butterfly Valve |
| Design Standard | API 609 / EN 593 / MSS SP-67 |
| Pressure Rating | Class 150–600 / PN10–PN100 |
| Nominal Size | DN50–DN3000 (2"–120") |
| Body Material | Carbon Steel / Stainless Steel / Duplex Steel / Alloy Steel |
| Disc Material | Stainless Steel / Duplex Steel / Customized Materials |
| Seat Type | Metal Seated / Laminated Seal / Soft Seal Optional |
| Connection Type | Wafer / Lug / Flanged / Butt Weld End |
| Operation Type | Manual / Pneumatic / Electric / Hydraulic |
| Temperature Range | -196°C to +600°C (Customized Available) |
| Media Compatibility | Water, Steam, Gas, Oil, Chemical Media, etc. |
| Leakage Standard | API 598 / EN 12266 Class A |
| Face-to-Face Dimension | API 609 / EN 558 |
| Actuator Mounting | ISO 5211 |
| Inspection Standard | API 598 / EN 12266 |
| Certification | ISO 9001, CE, API, PED (Optional) |
| Application Pressure | High Pressure & Vacuum Service Available |
| Customization | OEM Design, Material, Size, Coating, Actuation |
Industry Applications
Three Eccentric Butterfly Valves are widely applied in various industrial sectors due to their excellent sealing performance, reliability, and adaptability.
Material customization plan
Customized 316L stainless steel valves forGerman chemical enterprises. Resistant tostrong corrosion, suitable for their acidicmedium transportation systems, with aservice life extended to over 8 years.
Structural optimization design
For the Saudi desert project, the valve stemsealing structure was changed to a doublebellows design to address the leakage issuein the high-temperature and dustyenvironment, and it was highly recognizedby the customers.
Interface standard adaptation
Customized API 600 standard valves for acertain company in the United States. Theflange size is fully compatible with ANSIB16.5, ensuring zero error during on-siteinstallation and reducing the constructionperiod by 30%.
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