Jianqiao Valve Industry Group Co., Ltd. Jianqiao Valve Industry Group Co., Ltd.
Three eccentric butt butterfly valve

Three eccentric butt butterfly valve

Three eccentric butt butterfly valve
Three eccentric butt butterfly valve
Three eccentric butt butterfly valve

Three eccentric butt butterfly valve
Three eccentric butt butterfly valve
Three eccentric butt butterfly valve

Triple Eccentric Butt Weld Butterfly Valve High Temperature Industrial Valve

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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.

Key Features

  • Triple Eccentric Design:
    The three-offset structure ensures a cam action between the disc and seat, preventing rubbing and reducing wear during operation.
  • Metal-to-Metal Sealing:
    Provides bubble-tight shut-off performance and excellent durability under high pressure and high temperature conditions.
  • Low Operating Torque:
    Optimized valve design reduces actuator size requirements and lowers energy consumption.
  • Long Service Life:
    Wear-free sealing technology significantly extends maintenance intervals and valve lifespan.
  • Wide Application Range:
    Suitable for water treatment, oil & gas, chemical processing, power generation, metallurgy, and other industrial systems.

Three eccentric butt butterfly valve

OEM Capability Range & Customization Capability

We provide comprehensive OEM and customized valve solutions according to customer requirements, including:

  • Custom Valve Design & Engineering Support
    • Customized valve dimensions and connection standards
    • Special pressure and temperature ratings
    • Customized sealing solutions for different media
  • Material Customization
    • Carbon steel
    • Stainless steel
    • Duplex stainless steel
    • Alloy steel
    • Special corrosion-resistant materials
  • Actuator & Control Customization
    • Manual operation
    • Pneumatic actuator
    • Electric actuator
    • Hydraulic actuator
    • Intelligent control systems
  • Surface Treatment Options
    • Anti-corrosion coating
    • Epoxy coating
    • Special alloy coating
    • Customized surface protection
  • Standard & Certification Compliance
    Our valves are manufactured under strict quality control systems and comply with international valve industry standards, including:
    • ISO 9001 Quality Management System
    • API Standards
    • CE Certification
    • ISO 5211 Actuator Mounting Standard
    • EN / DIN / ASME / ANSI Standards
    • Pressure testing according to API 598 / EN 12266

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.

Oil & Gas Industry

  • Crude oil pipelines
  • Natural gas transmission systems
  • Refinery process lines
  • Storage and transportation facilities

Chemical & Petrochemical Industry

  • Chemical processing pipelines
  • Corrosive media handling systems
  • Petrochemical production equipment

Power Generation Industry

  • Steam systems
  • Cooling water circulation
  • Boiler auxiliary systems
  • Thermal power plants

Water Treatment Industry

  • Water supply pipelines
  • Wastewater treatment plants
  • Desalination systems
  • Pumping stations

Metallurgy & Mining Industry

  • Slurry pipelines
  • High-temperature process systems
  • Mineral processing equipment

HVAC & Building Infrastructure

  • District heating systems
  • Cooling water systems
  • Large-scale ventilation systems

Marine & Shipbuilding Industry

  • Ballast systems
  • Seawater pipelines
  • Offshore platforms

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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