Temperature Electric Double Control Door Closer - 30 N·m Torque, 290×51×75mm Stainless Steel Fire Door Device
Price:
Negotiable（very competitive）
MOQ:
1000 pieces
Delivery Time:
20 days to 40 days after receive the deposit
Brand:
GRH
Product Description
Product Overview
The Temperature Electric Double Control Door Closer is an advanced fire door control device designed for automatic door closure during fire emergencies. This normally-open fire door device maintains doors in open position during normal operation and automatically closes them when fire signals or high temperatures are detected.
Key Safety Features
- Automatic closure upon receiving DC24V fire signal
- Temperature-activated closure at 68°C ±5°C
- Manual operation capability with 0-180° positioning
- Dry contact signal feedback for system monitoring
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Dimensions | 290 × 51 × 75 mm |
| Material | 304 Stainless Steel |
| Closing Torque | 30 N·m |
| Monitoring Current | 0.7A (0.1 seconds) |
| Working Voltage | Normally passive, instant DC24V power supply |
| Door Opening Range | Manual operation, 0-180 degrees at any angle |
Operation Modes
- Normal Operation: Door remains closed or manually positioned
- Fire Emergency: Automatic closure upon DC24V signal or 68°C temperature
- Manual Override: Hand slide block down for manual control
Product Image
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Company
WENZHOU GRH MANUFACTURE CO.,LTD
Location
L3-6 BINGJIANG ROAD TENGQIAO TOWN WENZHOU CITY ZHEJIANG PROVINCE CHINA
Contact Person
Gracy