Jianqiao Valve Industry Group Co., Ltd. Jianqiao Valve Industry Group Co., Ltd.
High-temperature butterfly valve

High-temperature butterfly valve

High-temperature butterfly valve
High-temperature butterfly valve
High-temperature butterfly valve

High-temperature butterfly valve
High-temperature butterfly valve
High-temperature butterfly valve

High Temperature Flanged Butterfly Valve Metal Seated Industrial Control Valve

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The High-Temperature Butterfly Valve is a specially engineered industrial valve designed for controlling and isolating high-temperature fluids, gases, and exhaust media in extreme operating environments. It features a robust structure, heat-resistant materials, and advanced sealing technology to ensure reliable performance under continuous high-temperature service conditions.

The valve is widely used in industries requiring high thermal resistance, corrosion protection, and long-term operational stability, such as power generation, metallurgy, chemical processing, petrochemical, and industrial furnace systems.

With optimized disc design, high-strength materials, and customized sealing solutions, the high-temperature butterfly valve provides excellent flow control, low operating torque, reduced maintenance requirements, and extended service life.

Key Features

  • High Temperature Resistance
    • Designed for high-temperature applications up to 600°C or higher with customized materials.
    • Suitable for hot gas, flue gas, steam, and thermal process systems.
  • Durable Construction
    • Manufactured with high-strength heat-resistant alloys and stainless steel materials.
    • Ensures reliable operation under harsh industrial conditions.
  • Advanced Sealing Technology
    • Metal sealing structure provides excellent leakage control.
    • Maintains stable performance under thermal expansion and temperature fluctuations.
  • Low Torque Operation
    • Optimized valve structure reduces operating torque and actuator requirements.
  • Long Service Life
    • Wear-resistant components minimize maintenance frequency.
    • Suitable for continuous industrial operation.
  • Flexible Automation Options
    • Available with manual, pneumatic, electric, hydraulic, and intelligent actuator systems.

High-temperature butterfly valve

OEM Capability Range & Customization Capability

We provide professional OEM manufacturing and customized solutions for high-temperature butterfly valves according to different industrial requirements.

1. Customized Valve Design

  • Customized valve structure and dimensions
  • Special pressure and temperature ratings
  • Large diameter valve design
  • Special connection methods
  • Engineering drawings and technical support

2. Material Customization

Available materials include:

  • Carbon Steel
  • Stainless Steel (304 / 316 / 316L)
  • Duplex Stainless Steel
  • Heat-Resistant Alloy Steel
  • Nickel-Based Alloy Materials
  • Special High-Temperature Materials

3. Sealing System Customization

  • Metal-to-metal sealing
  • High-temperature graphite sealing
  • Laminated sealing systems
  • Special corrosion-resistant sealing solutions

4. Actuator Customization

  • Manual gearbox operation
  • Pneumatic actuator
  • Electric actuator
  • Hydraulic actuator
  • Smart actuator with position feedback and control system

5. Surface Treatment & Protection

  • High-temperature coating
  • Anti-corrosion coating
  • Wear-resistant coating
  • Thermal protection treatment

6. Complete Valve Industry Certifications

Our high-temperature butterfly valves are manufactured according to international quality standards and can be supplied with complete certification documentation, including:

  • ISO 9001 Quality Management System
  • CE Certification
  • API Valve Standards (Applicable Products)
  • ASME Standards
  • ANSI Standards
  • DIN / EN Standards
  • ISO 5211 Actuator Mounting Standard
  • API 598 Pressure Testing Standard
  • EN 12266 Leakage Testing Standard

Quality documents provided:

  • Material Test Certificate (MTC)
  • Product Inspection Report
  • Pressure Test Report
  • Dimensional Inspection Report
  • Certificate of Conformity

Parameter Specifications

Parameter Specification
Product Name High-Temperature Butterfly Valve
Valve Type High Temperature Butterfly Valve
Application Media Hot Gas, Flue Gas, Steam, Air, Industrial Gas
Nominal Size DN50–DN4000 (2"–160")
Pressure Rating PN6–PN40 / Class 150–300 (Customized Available)
Design Standard API 609 / EN 593 / MSS SP-67
Body Material Carbon Steel / Stainless Steel / Alloy Steel
Disc Material Stainless Steel / Heat Resistant Alloy / Customized Material
Shaft Material Stainless Steel / Alloy Steel
Seat Type Metal Seat / Graphite Seal / High Temperature Seal
Connection Type Wafer / Lug / Flanged / Customized Connection
Operation Type Manual / Pneumatic / Electric / Hydraulic
Temperature Range -40°C to +600°C (Higher Temperature Customized)
Maximum Working Temperature Up to 800°C (Special Design Available)
Leakage Class API 598 / EN 12266
Face-to-Face Dimension API 609 / EN 558
Actuator Mounting ISO 5211
Surface Treatment High Temperature Coating / Anti-Corrosion Coating
Installation Position Horizontal / Vertical
Maintenance Requirement Low Maintenance Design
Certification ISO 9001, CE, API, PED (Optional)
OEM Capability Size, Material, Temperature Rating, Design, Actuator Customization

Industry Applications

High-Temperature Butterfly Valves are widely used in industries requiring reliable flow control under extreme temperature conditions.

Power Generation Industry

  • Boiler air and gas systems
  • Flue gas pipelines
  • Exhaust gas control systems
  • Thermal power plant auxiliary equipment

Steel & Metallurgy Industry

  • Blast furnace systems
  • Steel heating furnaces
  • Hot air circulation systems
  • High-temperature gas pipelines

Chemical & Petrochemical Industry

  • High-temperature process pipelines
  • Chemical reaction systems
  • Refinery exhaust systems
  • Thermal processing equipment

Cement Industry

  • Rotary kiln systems
  • Preheater systems
  • Hot gas circulation pipelines
  • Dust collection systems

Glass Industry

  • Glass melting furnace systems
  • Combustion air control
  • High-temperature exhaust systems

Waste Incineration Industry

  • Waste gas treatment systems
  • Incinerator air control
  • High-temperature exhaust pipelines

Mining & Mineral Processing

  • High-temperature ventilation systems
  • Smelting equipment
  • Gas handling systems

Environmental Protection Industry

  • Flue gas desulfurization (FGD) systems
  • Air pollution control equipment
  • Industrial emission treatment systems

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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