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esDuct Dampers & Valves

OEM volume control dampers (VCD) for HVAC air balancing. Opposed blade & parallel blade, manual/motorized options. ISO 9001 factory direct.
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OEM motorized HVAC dampers with 24V/230V actuators. On/off or modulating, BMS/BACnet compatible. UL listed, factory direct pricing.
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UL/AMCA listed fire and smoke dampers for HVAC ductwork. Fire dampers, smoke dampers, combined fire/smoke, ceiling radiation dampers. NFPA compliant.
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Backdraft, gravity, barometric & relief dampers for HVAC. Prevent backflow, balance airflow, quiet operation. Galvanized/aluminum construction.
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HVAC zone dampers for residential and commercial zoning systems. Round/rectangular, 24V spring return. Compatible with Honeywell, Venstar, Ecobee.
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Product Feature

ABOUT

Learn More About Deiiang esDuct Dampers & Valves

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Deiiang esDuct Dampers & Valves Quality Control Flowchart

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Industry Applications

How to Work With Us

Requirements Consultation

Submit Requirements

Provide your site dimensions, required ISO class, and industry-specific needs (GMP, ESD, etc.) to our experts.

Technical Proposal

Custom Technical Proposal

Receive a detailed design proposal within 24 hours, including airflow strategies, material lists, and transparent pricing.

Precision Manufacturing

Modular Production

We manufacture your modular panels, HVAC units, and FFUs with strict QC to ensure full compliance with ISO 14644 standards.

Installation & Validation

Global Shipping & Setup

Fast global logistics followed by onsite installation guidance and performance validation to get you operational quickly.

Case Center

Customer feedback reflects our value—take a look at what our customers say about our products and services.

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