{"title":"Power Transmission • Pneumatics • Automatic Airflow Dampers","description":"","products":[{"product_id":"p-1192253","title":"MSV-86522PP 1\/4BSP 5 Way 2 Position Momentary Flat Push Button Pneumatic Mechanical Valve","description":"1. Steady performance, easy installation.\u003cbr\u003e2. This pneumatic mechanical valve is used for controlling pilots or diaphragms of larger valves or small cylinders or any pressure system that is alternatively pressurized and exhausted.\u003cbr\u003e","brand":"uxcell","offers":[{"title":"Default Title","offer_id":42110031298809,"sku":"a16042300ux0491","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/products\/ux_a16042300ux0491_ux_g02.jpg?v=1638195960"},{"product_id":"p-1004445","title":"Air Pneumatic 2 Position 3 Way Roller Lever Mechanical Valve","description":"\u003cul\u003e \u003cli\u003e2 position 3 way mechanical valve. Mechanical valves are reversing valves controlled by external mechanical force. When the external force disappears, the valve will reset itself and reverse the direction. Normally used to control the output signal of pneumatic systems. Roller Lever mechanical valve.\u003c\/li\u003e \u003c\/ul\u003e","brand":"uxcell","offers":[{"title":"Default Title","offer_id":42153104769273,"sku":"a12022300ux0016","price":16.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/products\/ux_a12022300ux0016_ux_g02.jpg?v=1638828251"},{"product_id":"p-1327258","title":"6\" Backdraft Damper Ducting Insert Backflow Preventer Draft Blocker w Clamp","description":"The backdraft damper is used to prevent the backflow of smoke or exhaust gas through air duct when the ventilation fan is off, it also prevents debris, dust and odor from entering your room. Widely used in dryers, extractors or range hoods, and other HVAC applications. You can install it in your home, kitchen, bathroom, office or living room which needs a ventilation system.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: Silver\u003cbr\u003eMaterial: 201 Stainless Steel\u003cbr\u003eOuter Diameter of Interface: 149 mm \/ 5.87 inch\u003cbr\u003eOverall Size: 190 x 190 x 42 mm \/ 7.48 x 7.48 x 1.65 inch (L*W*T)\u003cbr\u003ePacking List: 1 Set - 1 x Backdraft Damper, 1 x Aluminum Foil Tape, 1 x Clamp, 1 x Sponge Seal Strip, 1 x Glue, 2 x Gloves \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Made of durable 201 Stainless Steel, which has high hardness and no rust, not easy to scratch and resist corrosion, moisture-proof and easy to clean, can be used for a long time;\u003cbr\u003e2. When the exhaust starts, the air pressure will push to open the valve for air discharging; after the exhaust stops, the damper valve will automatically close and remain closed all the time to prevent odor from entering your room, making your indoor environment full of fresh air.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003e1. Apply sealing glue to seal strip and attach it to the bottom of the backdraft damper;\u003cbr\u003e2. Then Fix the damper to the vent hole on the wall with spring clips;\u003cbr\u003e3. Finally fit the the proper size of pipe hose with clamp to the return damper.\u003cbr\u003e\u003cstrong\u003e\u003cbr\u003eNOTE: Please confirm the outer diameter of the backdraft damper before placing an order.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":43540122730745,"sku":"a22082600ux0640","price":20.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a22082600ux0640_ux_g03.jpg?v=1776691103"},{"product_id":"p-1327265","title":"7 Inch Metal Backdraft Damper, Airflow Backflow Preventer Vent Draft Blocker Duct Connector for Kitchen Bathroom Exhaust Fan HVAC, Red","description":"The backdraft damper is used to prevent the backflow of smoke or exhaust gas through air duct when the ventilation fan is off, it also prevents debris, dust and odor from entering your room. Widely used in dryers, extractors or range hoods, and other HVAC applications. You can install it in your home, kitchen, bathroom, office or living room which needs a ventilation system.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: Red\u003cbr\u003eMaterial: Iron\u003cbr\u003eOuter Diameter of Interface: 175 mm \/ 6.89 inch\u003cbr\u003eOverall Size: 220 x 220 x 45 mm \/ 8.66 x 8.66 x 1.77 inch (L*W*T)\u003cbr\u003ePacking List: 1 x Backdraft Damper\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Made of durable iron material, which has high hardness and not easy to scratch, resist corrosion, waterproof, moisture-proof and easy to clean, can be used for a long time;\u003cbr\u003e2. When the exhaust starts, the air pressure will push to open the valve for air discharging; after the exhaust stops, the damper valve will automatically close and remain closed all the time to prevent odor from entering your room, making your indoor environment full of fresh air.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003e1. Fix the damper to the vent hole on the wall with spring clips;\u003cbr\u003e2. Then apply sealing glue around the bottom of the backdraft damper;\u003cbr\u003e3. Finally install the vent hose to the damper with pipe clamps and seal with tape if necessary.\u003cbr\u003e\u003cstrong\u003e\u003cbr\u003eNOTE: Please confirm the outer diameter of the backdraft damper before placing an order. Also, please note that sealing glue is not included.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":43540123386105,"sku":"a22082600ux0655","price":22.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a22082600ux0655_ux_g03_7cd9b4ed-5ddc-4e65-9017-b65579dc70c2.jpg?v=1747973634"},{"product_id":"p-1327266","title":"4 Inch Backdraft Damper, Stainless Steel Flexible Airflow Ducting Insert Backflow Preventer Draft Blocker for Kitchen Bathroom Exhaust Fan, Silver","description":"The backdraft damper is used to prevent the backflow of smoke or exhaust gas through air duct when the ventilation fan is off, it also prevents debris, dust and odor from entering your room. Widely used in dryers, extractors or range hoods, and other HVAC applications. You can install it in your home, kitchen, bathroom, office or living room which needs a ventilation system.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: Silver\u003cbr\u003eMaterial: 201 Stainless Steel\u003cbr\u003eOuter Diameter of Interface: 98 mm \/ 3.86 inch\u003cbr\u003eOverall Size: 145 x 145 x 42 mm \/ 5.71 x 5.71 x 1.65 inch (L*W*T)\u003cbr\u003ePacking List: 1 x Backdraft Damper\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Made of durable 201 Stainless Steel, which has high hardness and no rust, not easy to scratch and resist corrosion, moisture-proof and easy to clean, can be used for a long time;\u003cbr\u003e2. When the exhaust starts, the air pressure will push to open the valve for air discharging; after the exhaust stops, the damper valve will automatically close and remain closed all the time to prevent odor from entering your room, making your indoor environment full of fresh air.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003e1. Fix the damper to the vent hole on the wall with spring clips;\u003cbr\u003e2. Then apply sealing glue around the bottom of the backdraft damper;\u003cbr\u003e3. Finally install the vent hose to the damper with pipe clamps and seal with tape if necessary.\u003cbr\u003e\u003cstrong\u003e\u003cbr\u003eNOTE: Please confirm the outer diameter of the backdraft damper before placing an order. Also, please note that sealing glue is not included.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":43540123910393,"sku":"a22082600ux0641","price":11.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a22082600ux0641_ux_g03.jpg?v=1747481475"},{"product_id":"p-1327267","title":"Backdraft Damper, Metal HVAC Ducting Insert Backflow Preventer Draft Blocker Duct Adaptor for Kitchen Bathroom Exhaust Fan","description":"The backdraft damper is used to prevent the backflow of smoke or exhaust gas through air duct when the ventilation fan is off, it also prevents debris, dust and odor from entering your room. Widely used in dryers, extractors or range hoods, and other HVAC applications. You can install it in your home, kitchen, bathroom, office or living room which needs a ventilation system.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: \u003cbr\u003eMaterial: \u003cbr\u003eOuter Diameter of Interface: \u003cbr\u003eOverall Size: \u003cbr\u003ePacking List:  x Backdraft Damper\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Made of durable iron material, which has high hardness and not easy to scratch, resist corrosion, waterproof, moisture-proof and easy to clean, can be used for a long time;\u003cbr\u003e2. When the exhaust starts, the air pressure will push to open the valve for air discharging; after the exhaust stops, the damper valve will automatically close and remain closed all the time to prevent odor from entering your room, making your indoor environment full of fresh air.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003e1. Fix the damper to the vent hole on the wall with spring clips;\u003cbr\u003e2. Then apply sealing glue around the bottom of the backdraft damper;\u003cbr\u003e3. Finally install the vent hose to the damper with pipe clamps and seal with tape if necessary.\u003cbr\u003e\u003cstrong\u003e\u003cbr\u003eNOTE: Please confirm the outer diameter of the backdraft damper before placing an order. Also, please note that sealing glue is not included.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"1","offer_id":43540124139769,"sku":"a22082600ux0645","price":11.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/products\/ux_a22082600ux0645_ux_g03_1191400d-8e11-43da-9be9-2cb361fabeae.jpg?v=1669920601"},{"product_id":"p-1340000","title":"HVAC Duct Manual Volume Damper, Metal Adjustment Airflow Ducting Backdraft Damper Control for Air Ventilation System","description":"The manual volume damper is used for air volume regulation in an air ventilation system, widely used in HVAC industry. With that installed in your HVAC systems, you can easily control the air flow rate or close off an air duct if needed, to some extent, it will increase the energy efficiency of your system.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: \u003cbr\u003eMaterial: \u003cbr\u003eOuter Diameter of Interface: \u003cbr\u003eOverall Size: \u003cbr\u003ePacking List:  x Duct Manual Volume Damper\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Made of durable Galvanized Iron, which has high hardness and high temperature resistance, not easy to deform and corrosion, moisture-proof and fade resistant, can be used for a long time;\u003cbr\u003e2. The side is designed with a rotary handle, which can adjust the air volume from multiple angles and is easy to operate;\u003cbr\u003e3. The interface is smooth and flat, easy to disassemble and install. Silicone rubber ring design can prevent the air duct valve from leaking when it is closed.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just simply slide the volume damper into the pipe you are attaching to, and fix with pipe clamp and tape.\u003cbr\u003e\u003cstrong\u003e\u003cbr\u003eNOTE: Please confirm the outer diameter of the volume damper before placing an order.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"3 inch","offer_id":43604243546361,"sku":"a22082300ux0548","price":22.57,"currency_code":"USD","in_stock":true},{"title":"5 inch","offer_id":43604243251449,"sku":"a22082300ux0549","price":32.21,"currency_code":"USD","in_stock":true},{"title":"6 inch","offer_id":43604243218681,"sku":"a22082300ux0550","price":32.99,"currency_code":"USD","in_stock":true},{"title":"8 inch","offer_id":43604243448057,"sku":"a22082300ux0551","price":53.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/products\/ux_a22082300ux0549_ux_g03.jpg?v=1672475227"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/collections\/MRO64b0c4a970f90y0fFbOrefajomkGa3JF8hoUS.jpg?v=1697171379","url":"https:\/\/www.harfington.com\/en-de\/collections\/automatic-airflow-dampers-c-301481.oembed","provider":"Harfington","version":"1.0","type":"link"}