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Harfington 8 Inch Duct Backdraft Damper Manual Volume Damper for Vents Fans Heating System

8 Inch Duct Backdraft Damper Manual Volume Damper for Vents Fans Heating System

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AU$85.00 Regular price
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About this item
  • SPECIFICATION: Color: Silver; Outer Diameter: 200 mm / 7.87 inch; Inner Diameter: 8 mm / 0.31 inch; Thickness: 1 mm / 0.04 inch; Length: 190 mm / 7.48 inch; Packing List: 1Pcs Duct Backdraft Damper.
  • FEATURE: Manual operation method, by rotating the handwheel or handle, the air volume can be flexibly controlled, without the need for complex electronic control equipment, making it convenient for staff to make quick adjustments.
  • NOTE: Please avoid high temperature, flammable and explosive environments to install and reserve sufficient maintenance space.
  • INSTRUCTION: Choose an air valve matching the ventilation pipe diameter, clean the pipe connections, then use flanges and bolts to seal the valve to the pipe to avoid air leakage; turn the handle clockwise to reduce air volume and close the valve plate, or counterclockwise to increase air volume and open it.​
  • APPLICATION: This metal manual valve can accurately control the flow rate and direction of the airflow in the ventilation duct to ensure the stable and effective operation of the ventilation system. Suitable for exhaust fans, ventilation openings, circulation systems, etc. in bathrooms, kitchens, factories, and other places.
  • In stock, ready to ship
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About this item
  • SPECIFICATION: Color: Silver; Outer Diameter: 200 mm / 7.87 inch; Inner Diameter: 8 mm / 0.31 inch; Thickness: 1 mm / 0.04 inch; Length: 190 mm / 7.48 inch; Packing List: 1Pcs Duct Backdraft Damper.
  • FEATURE: Manual operation method, by rotating the handwheel or handle, the air volume can be flexibly controlled, without the need for complex electronic control equipment, making it convenient for staff to make quick adjustments.
  • NOTE: Please avoid high temperature, flammable and explosive environments to install and reserve sufficient maintenance space.
  • INSTRUCTION: Choose an air valve matching the ventilation pipe diameter, clean the pipe connections, then use flanges and bolts to seal the valve to the pipe to avoid air leakage; turn the handle clockwise to reduce air volume and close the valve plate, or counterclockwise to increase air volume and open it.​
  • APPLICATION: This metal manual valve can accurately control the flow rate and direction of the airflow in the ventilation duct to ensure the stable and effective operation of the ventilation system. Suitable for exhaust fans, ventilation openings, circulation systems, etc. in bathrooms, kitchens, factories, and other places.
Specification

Specification

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Product Description:
The manual air valve can accurately control the air flow rate and flow direction to ensure stable and efficient operation of the ventilation system. Whether it is a factory workshop, a commercial building, or residential fresh air system, it is necessary for its control over the circulation of the air.

Specification  
Color: Silver
Material: Galvanized iron, Silicone
Flange Outer Diameter: 200 mm / 7.87 inch
Duct Damper Outer Diameter: 150 mm / 6 inch
Thickness: 1 mm / 0.04 inch
Length: 190 mm / 7.48 inch
Packing List: 1Pcs Duct Backdraft Damper

Advantage
MATERIAL: The main body is made of galvanized iron, which has strong anti-rust ability, can effectively resist moisture, acid and alkali corrosion, adapt to a variety of complex environments. The silicone seals are tightly fitted, which can greatly reduce air leakage and ensure stable operation of the ventilation system.
FLEXIBLE OPERATION: Manual operation method, by rotating the handwheel or handle, the air volume can be flexibly controlled, without the need for complex electronic control equipment, making the duct damper convenient for staff to make quick adjustments.

Instruction
1. Select an air valve with adaptive specifications according to the diameter of the ventilation pipe. After cleaning the connecting parts of the pipe, use flanges and bolts (not included) to closely connect the air valve to the flanged pipes to prevent air leakage.
2. Position the air duct valve on accessible place and reserve sufficient maintenance space,turn the handle to adjust the air flow based on your requirement.

Note
Please check the size carefully before ordering.
Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
AU$85.00 Regular price
AU/
Wholesale Price
20%OFF
Order $5000+
  • 25%OFF
    Order $5000+
  • 20%OFF
    Order $2000+
  • 10%OFF
    Order $800+
  • 7%OFF
    Order $500+
  • 5%OFF
    Order $200+
  • In stock, ready to ship
Cart
Cart
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Description

Description

The manual air valve can accurately control the air flow rate and flow direction to ensure stable and efficient operation of the ventilation system. Whether it is a factory workshop, a commercial building, or residential fresh air system, it is necessary for its control over the circulation of the air.

Specification  
Color: Silver
Material: Galvanized iron, Silicone
Flange Outer Diameter: 200 mm / 7.87 inch
Duct Damper Outer Diameter: 150 mm / 6 inch
Thickness: 1 mm / 0.04 inch
Length: 190 mm / 7.48 inch
Packing List: 1Pcs Duct Backdraft Damper

Advantage
MATERIAL: The main body is made of galvanized iron, which has strong anti-rust ability, can effectively resist moisture, acid and alkali corrosion, adapt to a variety of complex environments. The silicone seals are tightly fitted, which can greatly reduce air leakage and ensure stable operation of the ventilation system.
FLEXIBLE OPERATION: Manual operation method, by rotating the handwheel or handle, the air volume can be flexibly controlled, without the need for complex electronic control equipment, making the duct damper convenient for staff to make quick adjustments.

Instruction
1. Select an air valve with adaptive specifications according to the diameter of the ventilation pipe. After cleaning the connecting parts of the pipe, use flanges and bolts (not included) to closely connect the air valve to the flanged pipes to prevent air leakage.
2. Position the air duct valve on accessible place and reserve sufficient maintenance space,turn the handle to adjust the air flow based on your requirement.

Note
Please check the size carefully before ordering.
Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
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