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Door closer hinge-function

Guide for Waterson Hinge

Feature highlight – the special characteristics of our hinges
Installation guide – What you should pay attention to when installing our hinges
Adjustment guide – How to adjust Waterson hinge easily

Feature
Installation
Adjustment
Automatic fire door closers-K51M

Full Mortise Hinge – K51M Stainless Steel Material

Fire rated commercial grade self-closing hinge – Quite Close Spring Hinge – Aesthetic- Fully Adjustable – Adjust Closing Force – Adjust Closing Speed. ADA Compliant – ANSI Grade 1 – UL Listed- 3hr Fire-rated

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Full Mortise & Flush Hinge – W41K.W41M Aluminum Material

Non fire rated residential application – Soft close spring hinge – good to the eye – easy installation – UL certified mechanical structure – overcome air pressure problem in confined space – replacement for traditional door closer

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Outdoor gate hinge-K51P, K51MP

Gate and Fence Hinge – K51P. K51MP Stainless Steel Material

Speed adjustable gate door closer  – very Durable – super Reliable – field tests for more than 4 years – Heavy duty construction – Salt spray test – Optimal weather resistance – Meet ADA code – Easy to open

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Glass to glass hinges-K51G

Frameless Glass Door Hinge – K51G stainless Steel Material

Quiet closer for glass door – Commercial grade – Good for high traffic – Replacement for traditional floor spring or closer – Pre-drilling of glass required – Good for glass 8-12mm – the most costs saving solutions for glass door application

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heavy duty door closer-K51L-3D

Entrance Door Hinge – K51L-3D Stainless Steel Material

Optimized for residential project and designed for minimum maintenance. Save you the labor and cost of installing concealed door closer or floor spring. Suitable for Fire-rated door.Cost efficiency, zero maintenance, fire safety all covered.

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1 million cycles,
our certificate,
your confidence.

1 million times of opening and closing equal to approximately 20 years of use for 100 daily cycles. This test gives us the certificate for our design, and also gives our customers the confidence in our quality.

To fully control every single factor in the testing processes, we designed the testing apparatus based on official regulation, and consequently passed the highest safety standard of ANSI/BHMA A-156.17 Grade1 with UL (Underwriters Laboratories Inc.).