Jianqiao Valve Industry Group Co., Ltd. Jianqiao Valve Industry Group Co., Ltd.
Ventilation Regulating Butterfly Valve

Ventilation Regulating Butterfly Valve

Ventilation Regulating Butterfly Valve
Ventilation Regulating Butterfly Valve

Ventilation Regulating Butterfly Valve
Ventilation Regulating Butterfly Valve

Ventilation Regulating Butterfly Valve

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Nominal Diameter: DN 100 ~ 1400 mm

Nominal Pressure: PN 0.05 ~ 0.25 MPa

Applicable Mediums: Coal gas and toxic, harmful gases

Applicable Temperature: ≤ 300°C

Ventilation Regulating Butterfly Valve

Product Overview

The Ventilation Regulating Butterfly Valve is specifically designed for regulating and isolating airflow in ventilation, exhaust gas, dust collection, and low-pressure air handling systems. Featuring a lightweight structure, low operating torque, and excellent flow control characteristics, the valve provides accurate airflow regulation while ensuring reliable operation in industrial ventilation networks.

The valve is widely used in power plants, metallurgy, cement plants, chemical facilities, environmental protection systems, and HVAC applications. Its optimized butterfly disc design minimizes flow resistance and allows smooth airflow adjustment across a wide operating range.

OEM & Customization Capabilities

We offer comprehensive OEM and ODM manufacturing services to satisfy various industrial ventilation requirements:

  • Custom valve diameters and pressure ratings
  • Circular, rectangular, and custom-shaped valve designs
  • Carbon steel, stainless steel, alloy steel, and special material options
  • Electric, pneumatic, manual, and worm gear operation available
  • High-temperature and corrosion-resistant configurations
  • Customized flange standards (ANSI, DIN, EN, JIS, GB)
  • Special sealing materials for dust-laden and corrosive gases
  • Explosion-proof actuator options
  • Customized logos, nameplates, and packaging
  • Surface treatments including galvanizing, epoxy coating, and anti-corrosion painting

Certifications

Our Ventilation Regulating Butterfly Valves can be manufactured and tested according to international standards:

  • ISO 9001 Quality Management System
  • CE / PED Certification
  • ISO 5208 Pressure Testing Standard
  • API 609 Butterfly Valve Standard (where applicable)
  • ISO 14001 Environmental Management System
  • ISO 45001 Occupational Health & Safety Management System
  • ATEX Explosion-Proof Certification (Optional)
  • IECEx Certification (Optional)
  • SIL Functional Safety Certification (Optional)

Parameter Specifications

Parameter Specification / Range
Valve Type Ventilation Regulating Butterfly Valve
Structure Type Centerline Butterfly Valve / Ventilation Damper Type
Body Material Carbon Steel, Stainless Steel, Alloy Steel
Disc Material Carbon Steel, Stainless Steel
Seal Material Metal Seal, Graphite, Silicone, EPDM (Optional)
Size Range DN100 – DN5000 (NPS 4" – 200")
Pressure Rating PN0.1 – PN2.5
Connection Type Flanged, Welded
Applicable Medium Air, Flue Gas, Exhaust Gas, Dust-Laden Gas
Operating Temperature -20°C to +450°C
High-Temperature Option Up to +800°C
Operation Method Manual Lever, Worm Gear, Electric, Pneumatic
Control Function On-Off / Flow Regulation
Leakage Rate Low Leakage Design / Customizable
Testing Standard ISO 5208
Surface Treatment Epoxy Coating, Galvanized, Heat-Resistant Paint

Industry Applications

Ventilation Regulating Butterfly Valves are widely used in air handling and gas regulation systems requiring precise airflow control and reliable shut-off.

Power Generation

  • Boiler air supply systems
  • Flue gas ducts
  • Desulfurization and denitrification systems
  • Air preheater systems

Metallurgical Industry

  • Blast furnace ventilation systems
  • Hot blast stove pipelines
  • Dust collection systems
  • Industrial exhaust networks

Cement Industry

  • Kiln exhaust systems
  • Clinker cooling air ducts
  • Dust filtration systems
  • Process ventilation pipelines

Chemical & Petrochemical Industry

  • Process gas ventilation systems
  • Exhaust gas treatment facilities
  • Corrosive gas handling systems
  • Industrial ventilation networks

Environmental Protection Projects

  • Waste gas treatment systems
  • Air pollution control equipment
  • Industrial emission control facilities
  • Scrubber and filtration systems

HVAC & Building Services

  • Commercial ventilation systems
  • Central air-conditioning systems
  • Smoke exhaust systems
  • Fresh air supply networks

Mining Industry

  • Mine ventilation systems
  • Dust extraction pipelines
  • Underground air circulation systems

Key Advantages

  • Excellent airflow regulation performance
  • Lightweight structure with low operating torque
  • Suitable for large-diameter ventilation ducts
  • Low pressure loss and high flow efficiency
  • Available for high-temperature gas applications
  • Corrosion-resistant and wear-resistant designs available
  • Compatible with automated control systems
  • Easy installation and maintenance
  • Cost-effective solution for air and gas regulation systems
  • Designed for long-term, reliable industrial operation under demanding conditions.

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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