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High quality fireproof door closer
Product Features HD-4000 Performance Parameters HD-4000 Model Applicable UL and ANSI Standard Class 1 Max. door width 600-1400 mm Max. door weight 20-150 kg (EN1-5) Hole diameter 19 mm Function option Reverse braking function Locking speed adjustment...
Description
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Product Features
| HD-4000 Performance Parameters | |
| Model | HD-4000 |
| Applicable standard | UL and ANSI Class 1 |
| Max. door width | 600–1400 mm |
| Max. door weight | 20–150 kg (EN1–5) |
| Hole diameter | 19 mm |
| Function option | Reverse braking function |
| Adjusting the locking speed | 0°–20° |
| Closing speed adjustment | 20°–90° |
| Operating temperature range | -40° to 60° |
| Dimensions (L×W×H) | 246×44×70 mm |
| Color | Many colors to choose from |
| Material | Aluminum |
| Service life | More than 2,000,000 cycles |
| Warranty | 5 years |
Product Description
For door closers, in addition to spring, oil and other factors, aspects such as opening, precise adjustment of piston bore and others are also very important. High-end door closers often use automatic opening to ensure precise opening and hole alignment. HEINDA adheres to the principle of "quality first" and uses Taiwanese fully computerized rotary one-pass molding equipment to ensure that the center of the hole made is on the same horizontal line, and the matching of the shaft guide head, rod and spring is good and durable.
If there are any quality problems during the 5-year warranty period, you can send photos and videos to us for complaint or replacement, we will take full responsibility for it.
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