Does the product help with noise reduction?

Yes, it features an internal foam strip and foam seal to keep blades from rattling and enhance airtightness, reducing noise.

What customization options are available?

We offer full customization, minor customization, flexible customization, and options to customize from samples or designs.

What is the minimum order quantity?

The minimum order quantity is 1000 pieces.

Factory Price HVAC Ventilation Spare Parts Galvanized Duct Round Backdraft Damper

Name: Factory Price HVAC Ventilation Spare Parts Galvanized Duct Round Backdraft Damper
Brand: Superair Group Limited
SKU: 1914492666

Zhejiang, ChinaSuperair Group Limited

US$1.00-2.00

1,000 Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Usage

for Air Conditioner

Model NO.

PVA

Type

Air Grille

Venetian-Style Air Layers

Fixed Blade

Installation

Outlet

Certification

SGS

Transport Package

Carton

Specification

powder coating

Trademark

SUPERAIR

Origin

China

Production Capacity

50000/Month

Key features

One-Way Air Valve Design: Aluminium flaps open with airflow and close automatically to prevent backdraft, odors, and noise.

Versatile HVAC Application: Suitable for AC, dryers, extractor fans, kitchen hoods, and whole-house ventilation systems.

Wide Size Range: Available in duct diameters from 100 mm to 315 mm to fit various ventilation pipes.

Noise Reduction Feature: Internal foam strip and foam seal ensure airtightness and prevent blade rattling during operation.

Flexible Installation: Can be installed horizontally or vertically in flexible or non-flexible ducts (excluding plastic ducts).

Spring-Loaded Mechanism: Smooth-running spring ensures automatic opening and closing even at low air volumes.

SGS Certified Quality: Product meets SGS certification standards for safety and performance in ventilation systems.

Customization Options: Offers full customization, minor customization, and flexible options from samples or designs.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExperienced Team

Superair Group Limited

Zhejiang, China

Business Type: Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤1.35h

About Our Factory & Business Background

Address268 Xiulian Road, Gaoqiao Town, Haishu District, Ningbo, Zhejiang, China

Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment

International Commercial Terms(Incoterms)CIF, FOB, CFR, EXW

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays

Minimum Order Quantity1000 Pcs

Supply Chain Partners1200

Our Production Capability & Technical Expertise

Main ProductsRefrigeration, HVAC, Ventilation, Washing Machine Parts, Dryer Parts, Air Conditioning Parts, Customized Metal Products, AC Installation Products, Electrical

R&D Engineers1 people

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia

Number of Foreign Trading Staff7

Overseas Agent/BranchNo

New Products Launched in Last yearYes

Product Q&A

Q:What is the function of the Back Draught Shutter?

It acts as a one-way valve that prevents return air, odors, and cold drafts from entering your home through the duct while allowing air to flow out.

Q:Which duct materials are compatible with this product?

It can be inserted into flexible or non-flexible ventilation ducts. However, it cannot be used with plastic ducts due to size differences.

Q:What sizes are available for the duct diameter?

The shutters are available in sizes ranging from 100 mm to 315 mm in diameter to accommodate various duct runs.

Q:How should the product be installed?

Insert the flap into the ventilation pipe until it stops. For horizontal installations, ensure the spring is positioned horizontally for optimal opening and closing.

Q:What are the main applications for this damper?

It is designed for air conditioners, dryers, extractor fans, cooker hoods, heating ducts, and other HVAC applications including heat recovery systems.