Reviews Damper Valve

iPower 4 Inch 8 Feet Non-Insulated Flex Air Aluminum Foil Ducting and Backdraft Shutter Damper for HVAC Extractor Fan Vent, Range Hoods, 2 Clamps Included

  • Ducting size: 4 inches (diameter) x 8 feet (length) when fully extended. Temperature endurance range from 0 ~ 185°F. (-18℃ ~ 85℃). A pair of 4 inch stainless steel metal clips makes the installation firmer.
  • Fire proof coating ducting: Flexible ventilation ducting made from high-quality flame-retardant aluminum and built-in corrosion-resistant wire helix for reinforcement and lasting performance.
  • Backdraft Shutter Damper: Made of a Galvanized steel. Withstand temperatures from 14 to 140 °F. Back-flow valve with 2 spring-loaded wings prevents the reverse airflow movement through the ventilation duct when the ventilation system is turned off.
  • Low noise design: An internal foam strip and a smooth-running spring to keep the valve wings from rattling. The position of the spring should be horizontal for backdraft shutter damper horizontal installations so that it can open and close optimally.
  • Wide applications: A pair of metal clamps makes ducting and damper securely fixed. Designed for use with range hoods, bathroom fans, kitchen and other home HVAC applications. Essential for HVAC ventilation.
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iPower 6 inch Backdraft Shutter Damper Back Draft Blocker, One-Way Airflow Ducting Insert Backflow Preventer with 2 Inline Springs Loaded Folding Blades, 6\

  • Lightweight valve wings: The valve wings open under the pressure created by the airflow and then automatically close with the spring work. The backflow flap closes automatically at low air volumes. The Backdraft shutter is installed so that the damper blades open only in the outflowing air direction.
  • Keep away from rattling: It has an internal foam strip and a smooth-running spring to keep the valve wings from rattling. The position of the spring should be horizontal for horizontal installations so that it can open and close optimally.
  • One-way airflow ducting insert: Back-flow valve with 2 spring-loaded wings prevents the reverse airflow movement through the ventilation duct when the ventilation system is turned off.
  • Material: The 6 inch Backdraft damper is made out of a Galvanized steel, the flap leaves are made of aluminum, while the Axis and spring are made of stainless steel and can withstand temperatures from 14 to 140 °F.
  • Wide applications: Back draught valves can be inserted into ventilation ducts which are flexible or non-flexible. Designed for use with range hoods, bathroom fans, kitchen and other home HVAC applications. Essential for HVAC ventilation.
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iPower 4 inch Backdraft Shutter Damper Back Draft Blocker, One-Way Airflow Ducting Insert Backflow Preventer with 2 Inline Springs Loaded Folding Blades, 4", HVAC Extractor Fan Vent, Range Hoods

  • Lightweight valve wings: The valve wings open under the pressure created by the airflow and then automatically close with the spring work. The backflow flap closes automatically at low air volumes. The Backdraft shutter is installed so that the damper blades open only in the outflowing air direction.
  • Keep away from rattling: It has an internal foam strip and a smooth-running spring to keep the valve wings from rattling. The position of the spring should be horizontal for horizontal installations so that it can open and close optimally.
  • One-way airflow ducting insert: Back-flow valve with 2 spring-loaded wings prevents the reverse airflow movement through the ventilation duct when the ventilation system is turned off.
  • Material: The 4 inch Backdraft damper is made out of a Galvanized steel, the flap leaves are made of aluminum, while the Axis and spring are made of stainless steel and can withstand temperatures from 14 to 140 °F.
  • Wide applications: Back draught valves can be inserted into ventilation ducts which are flexible or non-flexible. Designed for use with range hoods, bathro....
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Vent Systems 8 Inch Backdraft Damper - Backflow Shutter - Heavy-Duty Inline Springs Loaded - One-Way Airflow Ducting Insert - Inline Fan Vent Deflector

  • Back draft damper for insertion into 8 inch ventilation ducts. The backflow damper opens and closes automatically. It has a strong spring and can be....
  • A tight sealing and fastening of the duct is achieved by the rubber strip attached to the inside of the draft blocker damper. The rubber seal prevents....
  • Designed for use in AC, dryer vent, exhaust, extractor or range hoods, heating systems, fans, vents and other residential, commercial and industrial....
  • Duct draft stopper prevent cold air or wind from entering the ventilation pipe. In this case, the flap is installed in such a way that the flap leaves....
  • The backflow Preventer valve is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be....
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Backdraft Exhaust Damper Seal 4 Inch by Calimaero One Size Fits All 4 Duct Backdraft Damper Gravity Powered Made in Germany 4 Inch HVAC Damper Dryer Vent Valve Keep Cold Air Out

  • PRODUCT FEATURES This 4inch damper vent air blocker does what it is designed to do. It prevents outside air from entering back into your house via dryer, bathroom fan, and grow tent. You will be very pleased with the quality, functionality, value, and ease of installation of this product..
  • EASY INSTALLATION The 4 inch backflow preventer is easy to install. You will only cram these in the 4" duct and the rubber flap will seal off drafts coming in from your dryer vent or bathroom exhaust fan. Make sure the flaps open away from the ventilator. The outer rubber ring creates a seal around the strong plastic body giving you the perfect vent damper..
  • FLEXIBLE This backdraft damper's main recycled plastic part is small enough to fit into almost all PVC, metal, and other ducts with 4 inch size. No need to buy multiple products to find the one that works. Purchase with ease and relax in your draft free living space..
  • CONVENIENT This 4 inline damper duct valve gummi flaps are easy to open for almost all dryers or booster fans. The lack of moving spring will ensure a long lifespan that will save you time and money. As the product ....
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.500\ Lift Valve Spring Set Compatible with Chevy SBC 400 350 327 307 305 283 5.7L 1955-1993 Small Block Chevy Engines Towing RV Valve Springs (16 Pcs)

  • ▲ High Performance Valve Springs Set. Good for towing, rv, and mild camshaft applications with lifts up to .500".
  • ▲ Compatible with small block chevy engines from 1955-1993.
  • ▲ Spring Type: Single Spring with damper. Engineered and Tested to Exceed Original Equipment Standards and Performance.
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Kazeffi Synchron Motor 24V 4RPM Replacement for Honeywell Motor 802360JA，Used in V8043/8044 Zone Valve Control

  • 【Higher Performance】:802360JA Zone Valve motor Adapt to Honeywell zone valve motor V8043/V8044 . This Zone Valve Motor 24V, 4rpm at 50/60HZ. Cable....
  • 【Save time and money】:This Replacement motor for v8043 zone valves motor Easy to install. No need to replace brand new actuators or other HVAC....
  • 【High Quality】:Quality tested for over 100K cycles for flawless operation,Metal gears can be perfectly compatible with Honeywell V8043 or V8044....
  • 【More Applicable Scenarios】:802360JA can be replaced: HVAC damper control motor, Actuator Zone Valve motor etc. After many professional debugging,....
  • 【After-sale service】:100% after-sale guarantee, if you have any dissatisfaction with the product, you can ask for a replacement or a full refund.....
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RKI 4" - Professional Backdraft Damper Inline Spring Loaded for Dryer Duct

  • Back draft damper for insertion into 4 inch ventilation ducts. The backflow damper RKI opens and closes automatically. It has a strong spring and can be installed either horizontally or vertically. The flap is suitable for retrofitting, since it is completely inside the duct.
  • A tight sealing and fastening of the duct is achieved by the rubber strip attached to the outside of the draft blocker damper. The rubber seal prevents loud rattling when the flap blades open and close. The housing of the flap is made of galvanized steel, the flap blades are made of aluminum, the axle and spring are made of stainless steel.
  • Designed for use in AC, dryers, exhaust, extractor or range hoods, heating systems, vents and other residential, commercial and industrial HVAC applications.
  • FUNCTIONALITY: Duct draft stopper prevent cold air or wind from entering the ventilation pipe. In this case, the flap is installed in such a way that the flap leaves only open into the outgoing air direction. This means that no (cold) air / wind can penetrate the ventilation pipe from the outside..
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Exhaust Fan, MYGHKO Ultra Silent Kitchen Bathroom Exhaust Fan with Anti-backflow Check Valve, 4 inch Window Exhaust Fan Ventilation Fan Ceiling Wall Fan Extractor Blower household Ventilation Fan

  • 4INCH HOUSEHOLD VENTILATION FAN - You may be aware excess moisture and muddy air lead to poor air quality and life quality. It is necessary to choose a high-efficiency exhaust fan with a backdraft damper for your room. This functioning ceiling wall exhaust fan can promote air circulation, take the muddy air away and maintain proper humidity and a healthy living environment.
  • HIGH-EFFICIENCY PERFORMANCE - The upgraded high-efficiency motor and stable fan frame can reduce the friction coefficient and operation noise, increase the performance of kitchen bathroom fan and savings in the electrical bill effectively. Ultra silent bathroom exhaust fan provides quiet and effective exhaust ventilation at 122 CFM to eliminate humidity, tobacco smoke, and cooking odors to keep your house smelling fresh.
  • SPEEDY EXHAUST & BACKFLOW-PROOF SHUTTER- MYGHKO exhaust extractor fan with light and thin backdraft damper sleeve, which can expand the exhaust opening angle for speedy elimination of turbid and moist air. A spring-loaded auto-closing damper valve can prevent smoke, debris, dust, and odors of the public flue from entering rooms.
  • BUILT WITH CARE - Our commitment to making things that last means we source materials carefully. The mainframe consists of a waterproof ABS ....
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MYGHKO Exhaust Fan, Ultra Silent Kitchen Bathroom Exhaust Fan with Anti-backflow Check Valve, 6 inch Window Exhaust Fan Ventilation Fan Ceiling Wall Fan Extractor Blower household Ventilation Fan

  • 6 INCH HOUSEHOLD VENTILATION FAN - You may be aware excess moisture and muddy air lead to poor air quality and life quality. It is necessary to choose a high-efficiency exhaust fan with a backdraft damper for your room. This functioning ceiling wall exhaust fan can promote air circulation, take the muddy air away and maintain proper humidity and a healthy living environment.
  • HIGH-EFFICIENCY PERFORMANCE - The upgraded high-efficiency motor and stable fan frame can reduce the friction coefficient and operation noise, increase the performance of kitchen bathroom fan and savings in the electrical bill effectively. Ultra silent bathroom exhaust fan provides quiet and effective exhaust ventilation at 142 CFM to eliminate humidity, tobacco smoke, and cooking odors to keep your house smelling fresh.
  • SPEEDY EXHAUST & BACKFLOW-PROOF SHUTTER- MYGHKO exhaust extractor fan with light and thin backdraft damper sleeve, which can expand the exhaust opening angle for speedy elimination of turbid and moist air. A spring-loaded auto-closing damper valve can prevent smoke, debris, dust, and odors of the public flue from entering rooms.
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Brian Tooley BTR Turbo LS Stage 1 Cam, Spring Kit with Titanium Retainers, Chromoly Pushrods and Install Gasket Kit LS1 LS2 LS3 LQ4 LQ9 LM7 4.8 5.3 6.0 6.2 (Camshaft, Spring Set and Gasket Kit)

  • Brian Tooley Turbo Stage I Cam includes Spring Kit, Pushrods and Install Gasket Kit.
  • Turbo Stage I Cam 222/227 .602"/.598" 113+3 and comes a 3 bolt timing gear pattern..
  • Includes 7.400" LS Chromoly Pushrods, BTR Platinum dual springs, Titanium Retainers, Spring Locators.
  • .505" ID, .060" Thick, LS Valve Seal Kit.
  • Set of 8 Black Intake Seals and 8 Brown Exhaust, LS VALVE LOCKS 7 DEGREE BEAD LOCK SET OF 32.
  • Includes CAM INSTALL GASKET KIT, Front Timing Cover Gasket, Timing Cover Damper, Seal Water Pump Gaskets, LS CRANKSHAFT DAMPER BOLT.
  • When the combination calls for something a little milder, the stage 1 is where to look. It will let a 4.8 turn 7k rpm with a 7675, and it works great in daily driver 6.0's with 68-72mm turbine wheel turbos that don’t see over 6200. A very well-mannered cam with a noticeable idle but nothing too crazy..
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COMP Cams 972-16 Single Valve Spring

  • Seat pressure: 124 lbs. @ 1.800 inch, Open Pressure: 293 lbs. @ 1.250 inch.
  • Approximately .530 inch max lift at recommended installed height.
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COMP Cams 901-16 Single Valve Springs

  • Seat pressure: 101 lbs. @ 1.650 inch, Open Pressure: 242 lbs. @ 1.250 inch.
  • Approximately .490 inch max lift at recommended installed height.
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