3pcs Mechanical Self Closing Door Closer | Fire Rated | 4x4 | 7ft | 260 lbs | 1 ⅜ or 1 ¾” Thick | SS304 | K51M-400-A3

If you’re working with a residential or commercial opening, and can’t use an overhead closer, this mechanical self-closing door closer lets you pull all closing control back to the hinge line.

Waterson mechanical door closer set provides precise control, speed adjustment, and fire-rating needed for heavy 6ft doors without adding hardware that disrupts the arch geometry. 10 years warranty

Attention: Special finishes (US4) is non-refundable

• DESCRIPTION
• DETAILS
• SPECIFICATIONS
• VIDEO

• Applications

  • Hotel Rooms 
  • 3Hr Fire-rated  
  • Arch Top 
  • Heavy Duty
  • Interior & Exterior
  • Courtyard Style
  • What sets Waterson door closer for arched door apart from the rest? discover now!

  Product Description and Features

  • Fully adjustable closing force and speed according to environment needs
  • Numerical adjustment panel on hinge end to set up precise tension
  • Mechanical only mechanism supporting heavy duty and fully exterior  
  • Aesthetically pleasing compared to door closers -- without extrusive arms 
  • UL certified cycle testing ensures many years of low maintenance.
    

• Installation Kits  

  • Both machined #12-24 UNC ½”L and wooden tapping #12 x 1 ¼” screws included -- eight (8) of each type per hinge. Pack contains five (5) spares as well.
  • Three steel adhesive shims for gap adjustment between door and frame as needed
  • Tension Crook: Keeps hinge open during installation  
  • 5mm & 3mm hex allen wrenches  

  Compliance Standards

  • ANSI A156.17 Grade 1 : one million cycle testing  
  • ANSI A156.7 Template Hinge : 4” x 4”
  • CSI Spec 08 7100 Door Hardware & 08 7808 Self-closing Hinges  
  • ADA Force : opening force no more than 5 lbs
  • ADA Closing Speed: at least 5 sec to move from m 90° to 12°
  • ADA Vertical Clearance: Does not intrude into the doorway as do some overhead closers

• Specifications

  Product SKU	K51M-400-A3
  Hinge Type	Full Mortise, 4 Inch x 4 Inch
  Hinge Material	Stainless Steel
  Door Weight	From 40lbs to 260lbs
  Approx Door Size	1150mm W x 2200mm H (4ft x 7ft)
  Door Thickness	1 ¾” (40-50 mm)
  Self-closing	o
  Fluid Motion	x
  Hold-open	x
  Fixing Method	Screw-On, only spot weld AFTER speed adjustment
  Color/Finish	Satin Brushed,Black,Gold,ORB
  Combination/Quantity	SA.SA.SA1,3 Pack

  
  
  

• Product Video