ABS venturi valve
The ABS Venturi valve is a pressure-independent constant air volume control device that can automatically maintain the set air volume when the system static pressure changes, achieving stable and accurate air flow control. The valve body is made of high-quality ABS material, which has the characteristics of light weight, corrosion resistance and easy installation.

Products are widely used in pharmaceutical clean rooms, biological laboratories, hospital operating rooms, electronic factories and various HVAC systems, providing reliable air supply and exhaust control solutions for key areas.



Specifications/ParametersFlange outer diameter
D1 (mm)
Inner diameter D (mm)Overall length
L (mm)
Maximum outer diameter InchFlow rate (CMH)
110 single valve16510248226880 -350
160 single valve215150455325100-700
200 single valve257190578438150-1600
2 50 single valve330248662482250-1800
250 (new style) single valve330248532389250-1500
315 single valve365 302/297641439300-2000
355 single valve435352765484300-2500



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Each damper will be calibrated before leaving the factory. Ensure the air volume is accurate



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The internal valve core changes according to the change of the air inlet pressure on the left side of the pipe, and the right outlet air is constant;

The internal execution valve stem changes according to the change of the required air volume, and the right outlet air speed changes with the left side;



Why choose ABS Venturi valve

Automatically maintain constant air volume

No matter how the pressure in the air duct system changes, the valve can automatically adjust the opening to ensure that the air volume is always within the set range.

No external power supply required

Adopting a mechanical self-balancing structure, no electric drive or complex control system is required, making the operation more stable and reliable.

Excellent corrosion resistance

ABS material has good acid and alkali resistance and corrosion resistance, and is suitable for humid environments and clean room applications.

Reduce system energy consumption

By accurately controlling the air volume, we can avoid energy waste caused by excessive air supply and improve the overall system operating efficiency.

Easy installation and maintenance

Compact structure, light weight, can be quickly installed in the air supply or exhaust duct, and the subsequent maintenance cost is low.

Support project customization

Customized solutions can be provided according to customer air volume requirements, pipe diameter size and project requirements.


Main features

  • Pressure-independent air volume control

  • Automatic mechanical adjustment

  • ABS high-strength material

  • High air volume stability

  • Low operating noise

  • Power-free operation

  • Easy to install and maintain

  • Support OEM/ODM customization



Typical applications

Pharmaceutical clean room

Used in GMP clean workshops, sterile production workshops and packaging areas to ensure stable air volume required for a clean environment.

Biological laboratories

Suitable for PCR laboratories, biosafety laboratories and scientific research institutions to meet strict air control requirements.

Hospitals and medical facilities

Widely used in key areas such as operating rooms, ICUs, isolation wards and testing centers.

Electronics and semiconductor industry

Used for air flow control in chip manufacturing, electronic assembly and precision manufacturing clean workshops.

Food and Beverage Factory

Ensure the air quality of the production environment and meet hygienic production requirements.

Industrial ventilation system

Applicable to HVAC systems of various industrial plants, production workshops and public buildings.



Customization capabilities

We can provide:

  • Customized air volume range

  • Customized connection size

  • Customized installation method

  • Special material requirements

  • OEM brand customization

  • Project supporting solutions



Our advantages

Professional manufacturing experience

Focus on the manufacturing of clean air conditioning and air control equipment, and have rich project application experience.

Strict quality control

Strict quality inspection processes are implemented from raw material procurement to finished products leaving the factory.

Fast delivery capability

Standard products are shipped quickly, and customized products are delivered according to the project cycle.

Global market services

Products are widely used in pharmaceutical, medical, electronics, food and industrial fields.

Technical support team

Provide customers with selection suggestions, technical consultation and project support services.



Get a quote

Looking for a reliable ABS venturi valve supplier?

Please send your project requirements, including:

  • Air volume requirements (CMH/ CFM)

  • Duct size

  • Application scenario

  • Project location

  • Purchase quantity

Our engineers will provide you with product selection suggestions and quotation plans within 12 hours.

Contact Us Now

Looking for a reliable manufacturer of air filtration, air distribution, and cleanroom equipment? We provide high-quality products, competitive factory pricing, and flexible OEM/ODM customization services for global customers, meeting the diverse needs of industrial, medical, cleanroom, and HVAC projects.

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Our Workshop

Our Advantages

  • Professional manufacturer of clean air systems and filtration products
  • Complete product system widely used in cleanrooms, medical facilities, pharmaceuticals, HVAC, and industrial environments
  • Strict quality control system to ensure stable and reliable product performance
  • Strong OEM/ODM customization capability to support diverse project requirements and engineering applications
  • Complete customer service, including careful packaging, fast delivery, and reliable after-sales support

Our Export Markets

  • North America: United States, Canada
  • South America: Brazil, Argentina, Chile, etc.
  • Europe: Spain, France, Germany, Netherlands, Russia, etc.
  • Asia and Oceania: Vietnam, Thailand, India, Australia, etc.
  • A total of 50 countries

About Us

  • With more than 20 years of industry experience, we focus on the R&D and manufacturing of air filtration, air distribution, and cleanroom equipment, providing stable and reliable clean air system solutions for global customers while supporting OEM/ODM customization services.
  • Large-scale production capability and strict quality control enable us to meet bulk order requirements and urgent delivery schedules, ensuring stable supply.
  • Our professional engineering team provides full-process services from solution design and product selection to production delivery and after-sales support, helping customers build long-term and stable partnerships.

About Our Factory and Business Background

Address: No. 458 Jiangping Road, Jingjiang City, Jiangsu Province, China

Payment Terms: L/C, T/T, D/P

International Trade Terms: FOB, CFR, CIF, DAP, EXW

Average Lead Time: Peak season: one month; off season: within 15 working days

Nearest Port: Shanghai

Our Production Capacity and Technical Expertise

  • We provide a complete range of air filtration grades (G3-H14), air distribution products (air dampers and diffusers), and customized clean air system solutions for HVAC and cleanroom applications.

Our Industry Experience and Global Business Record

  • Export Year: 2010
  • Main Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Middle East, East Asia, Western Europe

Air Filtration & Cleanroom Products | Get a Free Custom Quote

Looking for a reliable supplier of air filtration, air distribution, or cleanroom system products? We provide factory-direct pricing, customized OEM/ODM services, and complete engineering project solution support.

Submit your requirements, and our engineering team will provide a dedicated solution and quotation within 12 hours, including detailed product specifications and delivery lead time.