Norton 8501-DA Surface Mounted Door Closer, Delayed Action, Push or Pull Side, Tri-Packed, Adjustable Size 1 to 6, Plastic Cover, Grade 1, Non Handed

The Norton 8501-DA is a commercial-grade surface-mounted door closer engineered for institutional applications requiring delayed action control. This Grade 1 closer accommodates door sizes 1 through 6 with adjustable tension settings, functioning seamlessly on both push and pull sides. Its durable plastic cover protects internal mechanisms while maintaining a professional appearance. Non-handed design eliminates installation confusion, and the tri-packed configuration ensures efficient deployment across multiple doorways. Ideal for high-traffic facilities demanding reliable, code-compliant door management.

Norton 8501 Series Closers

Architectural Tri-Style® door closer.

• 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