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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

 

heavy duty commercial door closer
Heavy duty commercial door closer

Difference Finish

Heavy duty commercial door closer
Heavy duty commercial door closer
Heavy duty commercial door closer

Certificate

PANIC EXIT DEVICE
PANIC DEVICE
PANIC BAR
PANIC EXIT DEVICE

Rated Products

DT-F1401RA-P
RIM PANIC DEVICE
DT-H106
Exit Device Trim
DT-H203
Panic Bar Trim

Heavy Duty Commercial Door Closer FQAs

What is the difference between standard duty and heavy duty door closers?

The key differences boil down to door size/weight, traffic, durability, and use case:

 

FeatureStandard DutyHeavy Duty
Door FitLightweight (<80 lbs) / narrow (<36″) doors (e.g., interior office/bedroom doors)Heavyweight (>80 lbs) / wide (>36″) doors (e.g., exterior entry, fire-rated doors)
TrafficLow-moderate (500–2,000 uses/day)High (2,000+ uses/day; public/commercial spaces)
Durability & BuildBasic materials (light alloys); for calm, low-abuse areasReinforced parts (forged steel); resists weather/impact
Key FeaturesBasic closing/latching speed adjustmentIncludes backcheck (prevents wall slamming) + fire-code compliance (often required)
Typical UseResidential, small officesMalls, hospitals, schools, building entrances

What are the advantages of using a heavy duty Commercial door closer?

Key Advantages of Heavy Duty Commercial Door Closer

  1. 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.
  2. High durability: Reinforced materials (forged steel, corrosion-resistant parts) stand up to 2,000+ daily uses (hospitals, malls, schools) without premature wear.
  3. Safety/code compliance: Often fire-rated (meets NFPA 80) to seal fire/smoke doors—mandatory for commercial buildings.
  4. Resists harsh conditions: Withstands weather (wind, rain) for exteriors and physical impact (carts, high traffic).
  5. Precise control: Includes backcheck (prevents wall damage) and fine-tuned closing speed to avoid slamming.
  6. Cost-efficient long-term: Fewer replacements/maintenance vs. standard closers in demanding settings.

How to choose the right commercial door closer?

  1. 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).
  2. Consider traffic/abuse:
    • Low-moderate use: Mid-duty (Size 3–4).
    • High use (hospitals/malls): Heavy-duty (Size 5–6, forged steel).
  3. Location needs:
    • Exterior: Weather-resistant (corrosion, wind-proof).
    • Interior: Standard commercial models.
    • Pick mounting (regular/parallel arm, top jamb) for your frame.
  4. Follow codes:
    • Fire-rated doors: UL-listed, fire-rated closers (meets NFPA 80).
    • ADA compliance: Adjustable speed (≤5 seconds to close).
  5. 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. 

DORTEC
Door Closer Hydraulic
heavy duty commercial door closer
heavy duty commercial door closer
DORTEC

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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

Ask For A Quick Quote

We will contact you within 1 working day, please pay attention to the email with the suffix “dortecdc@gmail.com”

Ask For A Quick Quote

We will contact you within 1 working day, please pay attention to the email with the suffix “dortecdc@gmail.com “

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