Red Aluminum Return Air Grille with Adjustable Opposed Blade Damper - 300×300mm Size, DC 24V Control, Fire-Rated HVAC Component
Price:
reconsideration
MOQ:
100PCS
Delivery Time:
7-15 workdays
Brand:
Yaning
Product Description
Product Overview
Red aluminum return air grille with adjustable opposed blade damper designed for precise airflow control in HVAC systems. This fire-rated damper automatically closes during fire emergencies while providing excellent hermetic sealing.
Key Features & Specifications
Technical Specifications
- Air leakage volume: 700 m³/m².h at 300 Pa pressure
- Control voltage: DC 24V with 0.3A current action
- Micro switch contacts capacity: AC380V 3A
- Drag coefficient when fully open: < 0.5
- Automatic closure at 280°C temperature
- Manual operation and reset capabilities
Construction & Materials
| Component | Materials Available |
|---|---|
| Main Body | Aluminum, Stainless Steel, or Galvanized Sheet |
| Finish | White standard or custom RAL colors (e.g., RAL9010) |
| Fixing Method | Screws or clips |
Fire Safety Features
- Automatic closure when smoke sensor detects fire alarm
- Manual override operation available
- Electric signal output for fire control system interlock
- Remote control capability up to 6 meters
Applications
Widely used in industrial, mining, and civil building HVAC systems for precise airflow adjustment and fire prevention. Essential equipment for controlling ventilation modes in various environments with flexible operation, low noise, and reliable safety features.
Product Images
Additional Information
| Parameter | Details |
|---|---|
| Standard Size | 300×300 mm (custom sizes available) |
| Packing | Cardboard carton box |
| Delivery Time | 1-30 days after order confirmation |
| Payment Terms | 30% deposit by T/T, 70% before shipment |
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Get in Touch
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Company
Hongkong Yaning Purification industrial Co.,Limited
Location
No. 6, Sanhuan Rd, Chiling Industrial Zone , Houjie Town, Dongguan City, Guangdong Province, China
Contact Person
Nicole