ABOUT THIS DOOR CLOSER
The Dorma TS83 Door Closer – Non Hold Open (NHO) in EN7 is an extra heavy-duty hydraulic surface mounted door closer designed for very large and high-use doors.
Door closers improve safety, security, and energy efficiency by ensuring doors return to the closed position.
This EN7 version of the TS83 is built for maximum closing force, making it ideal for demanding commercial and industrial environments.
KEY FEATURES
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Brand: Dormakaba
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Model: TS83
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Function: Non Hold Open (NHO)
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Door Closer Type: Surface Mounted Door Closer
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Mechanism: Rack & Pinion
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EN Rating: EN7 (Fixed Power)
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Maximum Door Width: 1400mm
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Maximum Door Weight: ±140–180kg
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Arm Type: Standard Arm
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Finish: Silver
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Fire Rated: Yes
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Adjustable Power: No (Fixed EN7)
HOLD OPEN OR NON HOLD OPEN
This product is the Non Hold Open (NHO) version.
Hold Open (HO)
Allows the door to remain open when pushed fully open.
Ideal for industrial and high-traffic environments.
Non Hold Open (NHO)
The door always closes automatically.
Required for fire doors and safety applications.
ARM TYPES EXPLAINED
Standard Arm
Mounted perpendicular to the door.
Provides maximum closing force for very heavy doors.
Parallel Arm (PA)
Mounted parallel to the frame:
• More secure
• Ideal for commercial buildings
• Slightly reduced closing force
DELAYED ACTION (OPTIONAL)
Delayed Action (DC) slows the closing cycle before final closing.
Ideal for:
• Large industrial doors
• Trolleys and deliveries
• Accessibility compliance
SUITABLE FOR
• Industrial buildings
• Large commercial entrances
• High traffic environments
• Extra heavy doors
Door Materials
• Timber doors
• Aluminium doors
• Steel doors
WHERE THIS PRODUCT FITS
Entry Level → TS Nano
Standard → TS77
Mid Range → TS68
Commercial → TS71
Premium → TS73V
Premium Cam Action → TS93
Heavy Duty → TS83 EN3–6
Extra Heavy → TS83 EN7 (Maximum Force)
Architectural → ITS96
HOW TO CHOOSE THE CORRECT DOOR CLOSER
Door closers are selected according to door width and weight.
Typical guideline:
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EN2–3 → light internal doors
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EN3–4 → standard commercial doors
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EN5–6 → heavy duty doors
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EN7 → extra heavy doors
The TS83 EN7 is designed for maximum closing power in demanding applications.
INSTALLATION INFORMATION
Surface door closers can usually be installed in:
• Door leaf installation
• Frame (transom) installation
• Parallel arm installation
The correct installation depends on the door configuration.
WHAT’S INCLUDED
• Door closer body
• Arm assembly
• Fixing screws
• Installation instructions
DOOR CLOSER QUICK SELECTION GUIDE
| Door Width | Typical Door Weight | Recommended Door Closer |
|---|---|---|
| Up to 850mm | Up to 60kg | TS Nano |
| Up to 950mm | Up to 80kg | TS77 |
| Up to 1100mm | Up to 100kg | TS68 |
| Up to 1100mm | Medium traffic commercial | TS71 |
| Up to 1250mm | Premium smooth operation | TS93 |
| Up to 1400mm | Heavy duty doors | TS83 |
| Extra heavy doors | Industrial use | TS83 EN7 |
| Concealed installation | Architectural doors | ITS96 |
NEED HELP CHOOSING A DOOR CLOSER?
Not sure which door closer you need?
Send us your door width, door weight, or a photo of the door, and we will recommend the correct model.
If you are unsure which door closer is suitable for your door, please contact The Stickman Store and we will gladly assist.
Email: hello@thestickman.co.za
Call / WhatsApp: 082 508 7708