Aluminum Interfold Closer Hinge

Waterson Self-Closing Aluminum hinges are ideal for concealed, interior and half doors of all kinds, as well as providing a suitable closing force for wood and lightweight metal doors under 75 kg (160 lbs).  They are very easy to install, adjust and maintain. Made from extrusion aluminum, this hinge looks great in any indoor environment and is a great cost-saving solution.

Interior door hinges - W41M,W41K
  • Non-Fire Rated
  • Soft Close Spring Hinge
  • Residential Applications
  • Good to the Eye
  • Easy Installation
  • UL Certified Mechanical Structure
  • Overcome Air Pressure Problem in Confined Space 
  • Replacement for the Traditional Door Closer

With Waterson Hinge, Life is Even Easier!

Waterson Hinge can keep kitchen smoke away.
  • Keep kitchen order away
  • Hygiene controlled
Waterson Hinge can give your house a cleaner look.
  • Cover up all the mess
  • Looks neat
Waterson Hinge can keep privacy for you.
  • Guard home security
  • Privacy kept
Waterson Hinge let property be hidden.
  • Property guarded
  • Expensive belongings guarded

SPECIFICATION

TEMPLATE

CASE STUDY

W41K- Compatible With Your Current Doors; Seamless Replacement For Your Hinge!

No need to consider the thickness of hinge leaves or gap sizes of door and frames.
Simply install and enjoy the self-closing convenience right away.

Interior door with door closer - before
Waterson interior hinge vs door closer - before

Before

After interior door hinge installation-W41K
After interior door hinge installation-W41K

After

W41K – Other Countries

Aluminum Interfold Hinge

ModelFull Name
Door Thickness
W41KSelf-closing-
Aluminum Interfold hinge-
Non-mortise
40~50 mm
Retrofit
 W41KSelf-closing-
Aluminum Interfold hinge-
Mortise on frame
40~50 mm
lightweight metal doors-W41K-645

Configuration

W41K – US STANDARD 

Door InfoModel#Self-closingFluid Motion

– door open ≤ 120°
– temperature > 32°F  

Hold-openClosing Tyoe

– Mechanical(M)
– Hydraulic Hybrid(H)

Qty of HingeFinish
1-3/4″
< 6’-0 x 4′-0
≤ 150 lbs
W41K-A2M2 hinges/door (SA.SA1)US28-628-
Anodized ClearUS19-617-
Flat Black Coated
W41K-B2H2 hinges/door (DS.HA)
W41K-D2H2 hinges/door (SB.HS)
1-3/4″
< 7’-0 x 4′-0
≤ 200 lbs
W41K-A3M3 hinges/door (SA.SA.SA1)
W41K-B3H3 hinges/door (DS.HA.SA1)
W41K-C3M3 hinges/door (SB.SA.SA1)
W41K-D3H3 hinges/door (DS.HA.SB)

Quick Tips For Installing Interfold Hinge – W41K

Waterson Aluminum Flush Hinge is non-handed. No need for mortise and grooving. Lightening-fast installation.
After these 3 tips, you will have wonderful self-closing hereafter:

1. Major leaf for Frame, minor leaf for door
W41K Installation Tips
2. Use only Waterson screws
W41K-waterson screws
3. No mortise/grooving needed
W41K Installation Tips

Catalog

US AREA
NON US AREA

Specification

Download

Product Size

W41K-645

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