4 inch manual duct damper – Plastic Duct Damper https://ppairvalve.com Polypropylene Plastic air volume control damper Fri, 18 Mar 2022 07:37:30 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://ppairvalve.com/wp-content/uploads/2022/01/cropped-cropped-xicheng-logo-32x32.png 4 inch manual duct damper – Plastic Duct Damper https://ppairvalve.com 32 32 Ventilation Pipe Fittings Polypropylene Plastic Manual Air Damper https://ppairvalve.com/product/ventilation-pipe-fittings-polypropylene-plastic-manual-air-damper/ Fri, 18 Mar 2022 07:37:29 +0000 https://ppairvalve.com/?post_type=product&p=868
  • Ventilation Pipe Fittings Polypropylene Plastic Manual Air Damper
  • The manual rectangular duct damper is made of PP polypropylene, which is resistant to acid and alkali corrosion. The production process of the manual rectangular duct damper is relatively complicated. It needs to be carved and cut from polypropylene PP sheet, and then produced by company A by manual welding. Production cannot be automated, so the cost of the rectangular duct damper is high.
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    Picture Example:1.Introduction

    PP Manual air valve , also called Anti-corrosion pp Manual air control valve, is the industrial plant, civil building ventilation, air conditioning and air purification works in the indispensable ventilation equipment, used to regulate the air duct, air conditioning can also be used for air conditioning and air conditioning.

    Specifications DN100/DN150/DN200/DN250/ …DN1500

     

    2.Features 

    • The wind valve material is PP and PVC, which is characterized by anti-corrosion, anti-aging,     price concessions, easy installation.
    • The current manual air valve mold a molding, high strength, good sealing, smooth appearance,   low resistance. Its specifications are diameter 63mm, 75mm, 90mm, 110mm, 160mm, 200mm, 250mm, 315mmd. ThEdiameter of it is more than 355 can be customized.
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