Kitchen Range Hoods Check Valve 150/160/180MM/200MM Pipe Double-ended Air Outlet Fresh ABS Highly Sealable And Heat Resisting

High-concerned chemical : None Structure : None Port Size : 150/160/180mm/200mm Material : Plastic Standard or Nonstandard : Standard Model Number : Valves Origin : Mainland China Range hood parts : Model Number pipe fitting : Kitchen Flue Check Valve Public Flue Check Valve : exhalation valve Vents : kitchen hood check valve air check valve : check valve for compressor Bathroom smoke-proof Check Valve : Valve Parts air outlet fresh system : Plumbing Home Improvement : Valves round pipe check valve : exhalation valve check valve for air : Ventilation Grill system

Kitchen Range Hoods Check Valve 150/160/180MM/200MM Pipe Double-ended Air Outlet Fresh ABS Highly Sealable And Heat Resisting

Description Check valve, made of durable material, resistant to oil and heat. The backdraft damper keeps odors and exhaust gases out of the house, preventing backflow. 【WORKING PRINCIPLE】 : 1. When the exhaust starts, the air pressure pushes the butterfly valve to open, and odor and exhaust is quickly discharged. 2. After the exhaust is completed, the pipeline butterfly valve will automatically close under the action of gravity. The check valve will always remain closed to prevent the exhaust, dust and odor from entering the room. 【VALVE OPENS AND CLOSES AUTOMATICALLY】: The Duct adaptor with butterfly Check valve design facilitates smooth opening of the valve when driven by during exhaust. After exhaust, the butterfly valve will automatically close under the action of gravity. 【EASY TO INSTALL】 : Wall mount air duct check valve, with duct adapter rings, can be perfectly match with soft and hard duct. Package includes: 1 piece of Check Valve Material:ABS Application scope :Standard Model: 150-180mm                               Upgraded Model: 150-200mm                               Capsule Model: 150-200mm