Heavy Duty Commercial Door Closer
DT-926
Heavy Duty Commercial Door Closer
Item No:DT-926
Material: Aluminum
Finish:Powder Painted
Color:Silver,Black, White, Champagne,Gold,Etc
Suitable for : Wooden Door, Steel Door, Fire Door
Power Size:2-6
Door Weight Capacity: 25-150kg
Difference Finish
Certificate
Rated Products
Heavy Duty Commercial Door Closer FQAs
What is the difference between standard duty and heavy duty door closers?
Feature | Standard Duty | Heavy Duty |
---|---|---|
Door Fit | Lightweight (<80 lbs) / narrow (<36″) doors (e.g., interior office/bedroom doors) | Heavyweight (>80 lbs) / wide (>36″) doors (e.g., exterior entry, fire-rated doors) |
Traffic | Low-moderate (500–2,000 uses/day) | High (2,000+ uses/day; public/commercial spaces) |
Durability & Build | Basic materials (light alloys); for calm, low-abuse areas | Reinforced parts (forged steel); resists weather/impact |
Key Features | Basic closing/latching speed adjustment | Includes backcheck (prevents wall slamming) + fire-code compliance (often required) |
Typical Use | Residential, small offices | Malls, hospitals, schools, building entrances |
What are the advantages of using a heavy duty Commercial door closer?
Key Advantages of Heavy Duty Commercial Door Closer
- Handles heavy/wide doors: Reliably controls doors >80 lbs or 36″+ wide (e.g., exterior, solid-core, or glass doors) that standard closers can’t manage.
- High durability: Reinforced materials (forged steel, corrosion-resistant parts) stand up to 2,000+ daily uses (hospitals, malls, schools) without premature wear.
- Safety/code compliance: Often fire-rated (meets NFPA 80) to seal fire/smoke doors—mandatory for commercial buildings.
- Resists harsh conditions: Withstands weather (wind, rain) for exteriors and physical impact (carts, high traffic).
- Precise control: Includes backcheck (prevents wall damage) and fine-tuned closing speed to avoid slamming.
- Cost-efficient long-term: Fewer replacements/maintenance vs. standard closers in demanding settings.
How to choose the right commercial door closer?
- Match to door size/weight: Use ANSI size ratings (1–6):
- Sizes 1–3: Light doors (<80 lbs, <36″ wide; interior offices).
- Sizes 4–6: Heavy/wide doors (>80 lbs, 36″+; exterior, solid-core).
- Consider traffic/abuse:
- Low-moderate use: Mid-duty (Size 3–4).
- High use (hospitals/malls): Heavy-duty (Size 5–6, forged steel).
- Location needs:
- Exterior: Weather-resistant (corrosion, wind-proof).
- Interior: Standard commercial models.
- Pick mounting (regular/parallel arm, top jamb) for your frame.
- Follow codes:
- Fire-rated doors: UL-listed, fire-rated closers (meets NFPA 80).
- ADA compliance: Adjustable speed (≤5 seconds to close).
- Add key features:
- Backcheck (prevents wall damage, must for heavy doors).
- Delayed action (for wheelchairs/carts, retail/hospitals).
Company information
Establish in year 2008, Dortec has more than 17 years experience for manufacturing panic bar trim.
Dortec has run business with more than 120 overseas companies in North America, Europe, South America, Middle East and Southeast Asia. Dortec always takes quality for its life.
Since the establishment of the company, Dortec always keeps this motto in their hearts: We would rather spend millions of dollars more to prevent even one piece of unqualified products go out of our workshop.
Dortec sincerely promises to guarantee the quality and to continually provide reliable and excellent products to our customers all over the world.
In the year 2001, Dortec have got ISO9001-2000 certification. Up to now, many of our products are certified under , CCC, the UL Fire-testing and CE certification for European market.
Our Workshop
Workflow Chat
- Bending
- Punching
- Painting
- Assemble
- Packing
Door Closer Project applications
exhibition
Get in touch
If you have demand for panic exit device, welcome to contact us
dortecdc@gmail.com
We reply within 24 hours
Have any questions?
+8613757740850
Working hours
Mon-Sat, 8am until 8pm
China Based
Hefei city