4pcs Screen Door Closer Heavy Duty | Hydraulic | Fire Rated | 4x4 | 4.5x4.5 | 5x5 | 7ft | 260 lbs | 1 ¾” Thick | SS304 | K51M-B4

• Material: Stainless Steel 304
• Product Dimensions:
  • 4"H x 4"W
  • 4.5"H × 4.5"W
  • 5"H x 5"W 
• Mounting Type: Door Mount – Full Mortise
• Model's Feature: 
  
  • B4: Fire rated soft closing. (DS.SA.HA.SA)
    
• Door Size: 1150mm W x 2440mm H (4ft x 8ft)
• Door Weight: Min 40 lbs - Max 330 lbs
• Door Thickness:
  • K51M-400 : 1 3/8” - 1 3/4”
  • K51M-450 : 1 3/4”
  • K51M-500D : 1 3/4”-2 1/4”
• Unit: 4 pieces
• Warranty: 3 years

TALK TO SALES FIRST - NON REFUNDABLE

• FEATURES
• APPLICATIONS
• DETAILS
• SPECIFICATIONS
• ADJUSTMENT

• 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
  • Hydraulic fluid mechanism supporting precise speed and closing force adjustment 
  • Aesthetically pleasing compared to door closers -- without extrusive arms 
  • UL-certified cycle testing ensures many years of low maintenance.
    

• Applications

  • Interior Door
  • Bedroom Door
  • Bathroom Door
  • Livingroom Door
  • Front Door
  • Residential Door
    
  • Interior Use 
    
  • Standard Screw Pattern
  • Zigzag Screw Pattern

• 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  

• Specifications

  Compliance Standards

  • ANSI A156.17 Grade 1 : one million cycle testing  
  • ANSI A156.7 Template Hinge : 6” x 6”
  • 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

  Code note:

  Fire-rated doors cannot use hold-open features. 
  

  Waterson fire-rated soft-close garage door hinges are designed without hold-open, fully compliant with building and fire safety codes.

• Adjustment Video

  Check the Full Adjustment Guidance here:
  English Version 
  Spanish Version