DN200mm DN250mm pp plastic round air release valve polypropylene pp air duct control valve for industrial/laboratory ventilation |Xicheng

DN200mm DN250mm pp plastic round air release valve polypropylene pp air duct control valve for industrial/laboratory ventilation |Xicheng

$19.90

simpleDN200mm DN250mm pp plastic round air release valve polypropylene pp air duct control valve for industrial/laboratory ventilation |Xicheng

Description

Air volume control valves are generally divided into the following types:

(1) Electric air volume control valve

(2) Manual air volume control valve

(3) Venturi air volume valve

(4) Variable air volume butterfly valve

(10) Check valve

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