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May . 07, 2025 19:14 Back to list

6 Lug Butterfly Valve Durable & Bolt Chart-Compliant Design



  • Overview of 6 Lug Butterfly Valve Applications
  • Technical Advantages in Design and Performance
  • Comparative Analysis of Leading Manufacturers
  • Custom Solutions for Industrial Requirements
  • Case Studies: Real-World Implementations
  • Bolt Chart Specifications Across Models
  • Why Partner with Trusted 6 Lug Butterfly Valve Suppliers

6 lug butterfly valve

(6 lug butterfly valve)


Understanding the Versatility of 6 Lug Butterfly Valves

6 lug butterfly valve
s are critical components in industrial fluid control systems, designed for high-pressure sealing and rapid shutoff. These valves feature a lug-style configuration, enabling direct pipeline mounting without additional flange kits. Industries such as chemical processing, water treatment, and HVAC rely on their leak-proof performance, with 92% of surveyed engineers citing durability as a key factor in valve selection.

Technical Advantages in Design and Performance

Engineered with dual-offset stems and reinforced EPDM seats, 6 lug butterfly valves withstand pressures up to 250 PSI and temperatures ranging from -30°F to 400°F. The lug-style bolt pattern ensures uniform stress distribution across the valve body, reducing deformation risks by 47% compared to wafer-style alternatives. Advanced models incorporate fire-safe certifications (API 607) and anti-blowout stems for hazardous environments.

Comparative Analysis of Leading Manufacturers

Feature Supplier A Supplier B Custom Factory
Max Pressure 200 PSI 250 PSI 300 PSI
Body Material Ductile Iron 316 Stainless Duplex Steel
Lead Time 8 Weeks 6 Weeks 3 Weeks

Custom Solutions for Industrial Requirements

Specialized factories now offer API 609-compliant valves with customized bolt charts to match existing flange patterns. A recent project for a Middle Eastern oil refinery required 6 lug valves with Inconel seats and 22-bolt configurations, achieving 100% compatibility with legacy pipelines. Such tailored solutions reduce retrofit costs by 33% on average.

Case Studies: Real-World Implementations

In a 2023 wastewater treatment upgrade, lug-style butterfly valves with modified bolt charts enabled seamless integration with 40-year-old concrete discharge lines. The project documented 18% energy savings through improved flow control and zero maintenance incidents over 12 months of continuous operation.

Bolt Chart Specifications Across Models

Standard 6 lug patterns follow ASME B16.5 specifications for 150 and 300 flanges, with drilling templates available for ANSI, DIN, and JIS standards. Critical measurements include pitch circle diameter (PCD) tolerances within ±0.15mm and bolt hole parallelism maintained below 0.1mm/meter.

Why Partner with Trusted 6 Lug Butterfly Valve Suppliers

Established exporters maintain ISO 9001-certified quality systems and provide complete documentation packages, including torque specifications and 3D CAD models. A leading supplier recently introduced blockchain-based material tracing, ensuring 100% origin verification for all valve components – a crucial advantage for projects requiring MTR-certified materials.


6 lug butterfly valve

(6 lug butterfly valve)


FAQS on 6 lug butterfly valve

Q: What is a 6 lug butterfly valve bolt chart used for?

A: A 6 lug butterfly valve bolt chart specifies the bolt size, quantity, and pattern required to securely fasten the valve between flanges. It ensures proper alignment and pressure distribution in piping systems.

Q: How can I identify reliable lug style butterfly valve bolt chart suppliers?

A: Look for suppliers with certifications (e.g., ISO, API), industry experience, and positive client reviews. Reputable suppliers provide detailed product specifications and compliance with international standards.

Q: What standards do exporters follow for lug style butterfly valve bolt charts?

A: Exporters typically adhere to global standards like ANSI, ASME, or DIN. These ensure compatibility with international piping systems and compliance with safety and performance regulations.

Q: Why choose a factory-direct lug style butterfly valve bolt chart?

A: Factory-direct purchases reduce costs, ensure quality control, and allow customization. Factories often provide technical support and faster lead times compared to third-party vendors.

Q: Are lug style butterfly valve bolt charts interchangeable between suppliers?

A: Compatibility depends on adherence to standardized dimensions and flange ratings. Always verify bolt patterns and sizing with the supplier’s chart to avoid mismatches in your application.


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