3pcs Bathroom Door Hinges Soft Closing | Hydraulic | Fire Rated | 4x 4 & 4.5x4.5 | 7ft | 260 lbs | 1 ¾” Thick | SS304 | K51M-400/450-B3

We need soft-closing hinges in 4-1/2", with three hinges per door, for four solid wood doors used in a school bathroom and gym. Each door measures 32" W × 7' H × 1-3/4" thick. Any suggestion?

Waterson bathroom door hinges soft closing deliver smooth, controlled closing for high-traffic commercial restroom compartments. Built from 304 stainless steel, our soft close hinges meet ADA bathroom door requirements, eliminate slamming, and outperform traditional spring hinges in long-term performance. 3-year warranty

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• DESCRIPTION
• DETAILS
• SPECIFICATIONS
• VIDEO

• Applications

  • Bathroom Door
  • Interior & Exterior
  • Soft Closing
  • Fire Rated
  • Stainless Steel 304
  • ADA compliance
  • Residential Door
  • Commercial Door

  Product Description and Features

  • Apply for door open ≤ 120°
  • Fully adjustable closing force and speed according to environment needs
  • Numerical adjustment panel on hinge end to set up precise tension
  • Include both mechanical and hydraulic mechanism supporting quiet close needs
  • Aesthetically pleasing compared to door closers -- without obtrusive arm
  • Hold-open feature to keep door stay open at 90°

• 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 : 4.5” x 4.5”
  • 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-B3 K51M-450-B3
  Hinge Type	Full Mortise, 4 1/2Inch x 4 1/2Inch
  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	o
  Hold-open	o
  Fixing Method	Screw-On, only spot weld AFTER speed adjustment
  Color/Finish	Satin Brushed,Black,Gold,ORB
  Combination/Quantity	DS.HA.SA,3 Pack

  
  
  

• Product Video