API609 Lug Butterfly Valve
API 609 Lug Butterfly Valve is designed for reliable isolation and flow control in demanding industrial pipeline systems.
- Product Introduction
API 609 Lug Butterfly Valve is designed for reliable isolation and flow control in demanding industrial pipeline systems. It is widely used in oil & gas, petrochemical, power generation, marine, and water treatment industries where stable sealing performance, durability, and maintenance flexibility are required.
Product Features
Designed in compliance with API 609 standard for high-performance butterfly valves
Lug-type body structure for independent pipeline maintenance
Bidirectional sealing for reliable shut-off performance
Low operating torque for manual and automated systems
Pressure rating up to Class 600
Optional fire-safe and anti-blowout stem design
Compatible with pneumatic and electric actuators
Technical Specifications
| Size Range: | DN50 – DN1200 (2" – 48") |
| Pressure Rating: | Class 150 / 300 / 600 |
| Body Materials: | WCB / CF8 / CF8M / Duplex Stainless Steel |
| Disc Materials: | SS316 / Duplex SS / Aluminum Bronze |
| Seat Materials: | PTFE / RPTFE / EPDM / NBR / Metal Seat |
| Temperature Range: | -29°C to 425°C (depending on seat material) |
| End Connection: | Lug Type (threaded insert design) |
| Testing Standard: | API 598 |
Applications
Suitable for high-pressure, high-temperature, and corrosive media conditions requiring stable long-term operation.
Oil & Gas transmission pipelines
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Petrochemical and refinery systems
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Power generation cooling and auxiliary systems
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Water treatment and desalination plants
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Marine and offshore engineering systems
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Quality & Testing
Each valve is fully tested before delivery to ensure compliance with international standards:
☆Shell pressure test
☆Seat leakage test
☆Hydrostatic pressure test
☆Material traceability inspection (MTC 3.1 available)
All components are manufactured under strict quality control to ensure performance consistency in industrial applications.
FAQ
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