4pcs 316 Stainless Door Hinges | Soft Closing | 4x4 | 8ft | 330 lbs | 1 3/4" Thick | SS316 | K51M-400-B4-316

If you need anti slam door hinges that control speed, eliminate hard impact, and stay compliant under daily exterior commercial use, this hydraulic hinge for exterior doors gives you adjustable tension and no overhead hardware.

Built from 316 stainless steel for superior rust and corrosion resistance in outdoor and coastal environments, Waterson hinges function as door closure hinges through a hydraulic damper, giving you predictable closing performance for exterior 4x4 full mortise doors up to 330 lbs. 3 years warranty

Attention: This model is non-refundable

• DESCRIPTION
• DETAILS
• SPECIFICATIONS
• VIDEO

• Applications

  • 316 stainless steel
    
  • Interior & Exterior
  • Pool door
  • Exterior entry door
  • Arch Top 
  • Heavy Duty
  • Courtyard Style
  • 8ft 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

• 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-B4-316
  Hinge Type	Full Mortise, 4 Inch x 4 Inch
  Hinge Material	Stainless Steel 316
  Door Weight	From 40lbs to 330lbs
  Approx Door Size	1150mm W x 2200mm H (4ft x 8ft)
  Door Thickness	1 ¾” (40-50 mm)
  Self-closing	o
  Fluid Motion	o
  Hold-open	x
  Fixing Method	Screw-On, only spot weld AFTER speed adjustment
  Color/Finish	Satin Brushed,Black,Gold,ORB
  Combination/Quantity	DS.SA.HA.SA,4 Pack

  
  
  

• Product Video