Source factory | Professional custom air filters and ventilation valves
ABS venturi valve
The Venturi valve is a high-precision, high-response (< 1s) pressure-independent air valve specially used for air supply and exhaust. It has a self-adjusting mechanical structure that can accurately maintain the set air supply volume without being affected by changes in static pressure in the pipeline.

Made of ABS flame retardant material, it has good consistency and corrosion resistance.



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;


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  • China's leading industrial filter manufacturer
  • We offer a wide range of products widely used in cleanrooms, healthcare, HVAC and industrial manufacturing industries
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  • With more than 20 years of expertise, we are an integrated manufacturer and trader specializing in high-quality air filter media and high-efficiency filtration systems. We provide customized OEM/ODM solutions at factory direct prices, delivering certified and stable-performance products to global B2B clients.
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Factory & Business Profile

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

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

Incoterms: FOB, CFR, CIF, DAP, EXW

Average Lead Time: 1 month in peak season; within 15 working days in off-season

Nearest Port: Shanghai

Production Capacity & Technical Expertise

  • Primary air filters (G3/G4), medium efficiency air filters (F5-F9), high efficiency air filters (H10-H14), dampers, air outlets and customized air filtration & purification solutions

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  • Export Started: 2010
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