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Norton UNI8501H-42-48 Parallel Arm Door Closer, Push Side, Hold Open, Unitrol Arm, Multi-Size 1 to 6, For 42 Inch to 48 Inch Doors, Plastic Cover, Grade 1, Non-Handed
The Norton UNI8501H-42-48 delivers professional-grade door control with its parallel arm design and push-side mounting configuration. Engineered for doors ranging from 42 to 48 inches, this Grade 1 closer features adjustable hold-open functionality and a Unitrol arm mechanism that accommodates size settings 1 through 6. The non-handed design simplifies installation across various door applications, while the durable plastic cover provides lasting protection. Ideal for commercial environments demanding reliable, consistent door closure performance.
Norton 8501 Series Closers
Architectural Tri-Style® door closer.
The 8000 Series Door Closers offer the ideal combination of appearance, reliability and durability in today's market. With features such as staked valves, precise valve adjustment and a complete range of arm and cover options, this closer can meet virtually any application challenge.
- Exceeds 15 million cycles (witnessed and verified by UL)
- Adjustable spring sizes 1 through 6
- Tri-Style® packaging standard (regular arm, top jamb and parallel arm mounting)
- Non-handed
- Staked valves
- Cast aluminum body
- Rack and pinion design
- 1-1/4" (32mm) diameter piston
- 5/8" (16mm) diameter pinion journals
- 2-1/8" (54mm) projection (standard covers)
- All standard arm applications (with slim, full or metal covers) allow doors to swing 180 degrees, conditions permitting
- Full size template
- Metal, architectural plastic or architectural metal covers (8501 only)
- Lead lined metal cover - suffix MLL
- Application specific arms: Regular (S), Top Jamb (JS) and Parallel (P)
- Heavy-duty arms; Regular Rigid, Parallel Rigid, CloserPlus®, CloserPlus Spring™, Unitrol®
- Slide Tracks: push or pull side mounting
- 25-year limited warranty
| Manufacturer | Norton |
| SKU | UNI8501H-42-48 |
| Grade | Grade 1 |
| Installation | Commercial |
| Origin | USA |
| Unit of Measure | Each |
| UL Listing Type | UL 10C |
| ANSI Number | ANSI A156.4 |
| BAA Qualified | Yes |
| Limited Warranty | 25 Years |
| Fire Rated | 3 Hours {A} |
| ADA Compliance | Yes |
| Type | Surface |
| Technology | Hydraulic |
| Mounting Location | Push or Pull Side |
| Mounting Style | Tri Mount |
| Hold Open | Yes |
| Closer Size | 1 to 6 |
| Arm Type | Double Lever Arm, Regular |
| Hand | Non-Handed |
| Back Check | Adjustable |
| Cover | Plastic |
| Cold Weather Fluid | Yes |
| Product Type | Surface Closers |





