Galvanized damper

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This round damper blade is designed to regulate air volume in duct systems, suitable for both manual adjustment and automatic control applications. Made from galvanized steel, it offers reliable performance in low to medium velocity HVAC systems requiring positive shutoff, low leakage, or modulating airflow.Available in sizes from 4″ to 20″ (including 4″, 5″, 6″, 7″, 8″, 9″, 10″, 12″, 14″, 16″, 18″, and 20″), with thickness options ranging from 20GA to 28GA. Configuration includes spring‑loaded or stamped bearings, stud, wing nut, washer, and handle for smooth operation and secure installation.Manufactured through precision stamping, this round damper is ideal for use in round ductwork systems to control supply or return air volume in commercial, industrial, and residential HVAC installations. Custom sizes and OEM options are available upon request.

Product : Damper blade

Material: Galvanized steel

Size : 4”-20”(4”, 5”, 6”, 7”, 8”, 9”, 10”, 12”, 14”, 16”, 18”, 20”)

Thickness: 20GA,22GA,24GA,26GA,28GA

Configuration: Spring loaded bearing, stamped bearing, stud, wing nut, washer, handle

Shape: Round

Technical: Stamping

Application : Used in the round ductwork system for adjusting supply or return air volume

OEM SERVICE

Custom Packaging

ISO 9001

SGS

Parameter

Description

Ruichi has been invited several times to participate in the U.S. AHR Ventilation Exhibition, demonstrating international market recognition for its superior product quality. Currently, more than 200 ventilation accessories are available for sale, covering a full range of components such as damper blade, regulators, access doors, duct corner, and g-clamp, These products are widely compatible with various ventilation engineering installation and maintenance needs, providing customers with one-stop procurement convenience.

Production

Packaging

Entire Line

Ruichi Hardware is specialized in the production and sales of HVAC accessories series products and has attended AHRI exhibitions many times in the United States. There are 200 types of products in production and sales. That including damper blade, regulator, access door, duct corner, G clamp and other accessories.

Service Team

Sales Team

Provide 3-6 person service teams based on customer tier.

Reaponse Time: Provide responses within 30 minutes to 2 hours based on customer tier.
Quotation Speed: 4 hours for five major product series; 48hours for customized series.

Technical Team

Provide technical services and support by engineers/engineering directors based on customer tier.
Provide product design, mold design, technical drawings, technical consultation, Q&A and other services based on customer tiers.
Proactively sharing real-time updates on industry advancements and offering professional guidance on trends and product enhancements.