All metal flange butterfly valve butterfly valve
The All Metal Flange Butterfly Valve is a high-performance industrial valve designed for applications requiring maximum durability, high-temperature resistance, excellent sealing performance, and long service life. Featuring a fully metal sealing structure, the valve eliminates the limitations of traditional soft-seated valves and provides reliable operation under extreme working conditions.
The valve adopts an advanced metal-to-metal sealing design, ensuring outstanding resistance to high temperature, pressure fluctuations, abrasion, corrosion, and harsh operating environments. The flanged connection provides excellent mechanical strength and stability, making it suitable for large-diameter pipelines and critical industrial systems.
With optimized disc design, low operating torque, and reliable shut-off capability, the All Metal Flange Butterfly Valve is widely used in industries involving steam, hot gas, high-temperature fluids, chemical media, and abrasive applications where conventional valves cannot meet performance requirements.
All metal flange butterfly valve
We provide professional OEM manufacturing and customized valve solutions according to customer requirements, including:
Our All Metal Flange Butterfly Valves are manufactured under strict quality management systems and comply with international valve industry standards, including:
Parameter Specifications
| Parameter | Specification |
|---|---|
| Product Name | All Metal Flange Butterfly Valve |
| Valve Type | Fully Metal Seated Flange Butterfly Valve |
| Valve Structure | Double Offset / Triple Offset Butterfly Design |
| Nominal Size | DN50 – DN3000 (Customized Available) |
| Pressure Rating | PN10 – PN420 / Class 150 – Class 2500 |
| Connection Type | Flanged Connection |
| Valve Body Material | Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel |
| Disc Material | Stainless Steel, Alloy Steel, Hardened Metal Materials |
| Shaft Material | Stainless Steel / Special Alloy |
| Seat Material | Metal Seat / Alloy Seal Ring / Graphite |
| Sealing Type | All Metal-to-Metal Sealing |
| Operation Type | Manual / Pneumatic / Electric / Hydraulic |
| Actuator Type | Quarter-Turn Actuator |
| Operating Temperature | -196°C to +800°C (Depending on Material Selection) |
| Applicable Media | Steam, Gas, Oil, Chemical Fluids, Hot Air, High Temperature Media |
| Leakage Class | ANSI Class IV / V / VI |
| Flow Direction | Bidirectional (Optional) |
| Design Standard | API 609 / ASME B16.34 |
| Pressure Test Standard | API 598 / EN 12266 |
| Flange Standard | ANSI B16.5, ASME B16.47, EN1092, JIS, GB/T |
| Offset Design | Double Offset / Triple Offset |
| High Temperature Design | Available |
| Fire Safe Design | Optional |
| Anti-Static Design | Available |
| Blowout Proof Shaft | Available |
| Corrosion Protection | Coating / Special Surface Treatment |
| Automation Accessories | Positioner, Solenoid Valve, Limit Switch, Controller |
| Certification | ISO, API, CE, SIL, Fire Safe, Fugitive Emission |
| OEM Service | Available |
Industry Applications
✔ Fully metal sealing structure
✔ Excellent high-temperature resistance
✔ Superior wear and corrosion resistance
✔ Long service life under harsh conditions
✔ Suitable for high-pressure applications
✔ Reliable shut-off performance
✔ Low operating torque design
✔ Suitable for large-diameter pipelines
✔ Multiple actuator options available
✔ Full OEM customization capability
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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