The table below is the typical options for Waterson Closer Hinges. Many people are curious about the difference between Self-closing (K51M-450-A3) and Fluid Motion (K51M-450-B3). Here are some more detailed explanations.
|Door Info||Full mortise|
< 7’0 x 4’0
≤ 260 lbs
*Fluid motion only works when the door opens ≤ 120° and temperature is above 0° area.
The table below is the typical options for Waterson Closer Hinges. Many people are curious about the difference between K51M-450-A3 and K51M-450-B3. Here are some more detailed explanations.
Waterson pure mechanical hinges are ideal for high frequency use heavy doors. State-of-the-art heat treated carbide components and EN-certified springs ensure durability, effectiveness and longevity. Your heavy duty commercial doors will close effectively at a controlled speed every time.
On the other hand, if quiet is a chief concern then you may want to consider choosing the Waterson hydraulic hybrid self-closing hinge due to oil-controlled dynamic braking. Also an effective closing component, particularly in breezy environments, Waterson hydraulic hinges respond well to wind changes with exceptional quietness without leaking.
The video below tells a better story than just words. Check it out.
= Mechanical Only
Fluid Motion= Hydraulic Hybrid
*ie. acid, chemical, clean room, chlorinated pools, salt water areas and more
The difference between the two types defines how your door closes:
- Mechanical type: self-closing; closing speed remains mostly average from swing to latch.
- Hydraulic type:soft closing; the door specifically slows down in the hydraulic zone.
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