The ul listing number is for the fusible link arms is r1943.
Fusible link door closer.
Fusible link closer arms incorporate a link made from pieces of metal held together by solder that is designed to melt when it reaches a certain temperature releasing the hold open and allowing the door closer to close the door.
The fusible link is a lead clip that melts at roughly 115 degrees and releases the door so it can close and contain a fire.
With this closer you can select the color and hand you prefer.
A smoke detector can sense smoke in the air and sends a signal to close the fire door before flames can reach the door.
The 4010 series can be templated for 100 or 140.
A fusible link is heat activated meaning it must be exposed to fire before it can melt and release the fire door to close.
The 4010 4020 and 4110 series are heavy duty closers that meet demands for high traffic installations and each are designed specifically for unique mounting applications.
The 4110 and the 4020 series can be templated for 100 140 or 180.
Style 1 5 links are for use on fire doors windows and lids.
Style 9 links are good for range hood applications.
4020fl add to cart add to compare lcn 4010 fusible link door closer.
Lcn fusible link closers.
This helps prevent the spread of flame but a fusible link will not help to slow the spread of smoke.
The fusible link arm is available with the 4010 4020 and 4110 series closers.
They all use the same fusible link arm.
Style 8 links are commonly used on fire doors smoke and heat vents and ducts.
They are ul and cul listed meet ansi bhma grade 1 standards and boast 30 year warranties.
Lcn 4110 fusible link door closer 385 00.
4110fl add to cart add to compare lcn 4020 fusible link door closer 385 00.
The fusible link arm is available with the 4010 4020 and 4110 series closers.
Style 6 and 7 links are often used on fire doors windows hatches dampers and blowers.
They all use the same fusible link arm.
Use links in straight pull applications only.
Fusible link door closers and arms.
I would agree the amount of force needed to be set on the fusible link arm would indeed need to be set quite high to simply contend with the size 6 spring and pulling the door loose from the hold open position i could imagine would severely stress the arm door door frame and fasteners.
The ul listing number is for the fusible link arms is r1943.
The lcn fusible link closers that can be used with this item are the 4010 fl 4110 fl and the 4020 fl.
The lcn door closer 4111 fl is known as the smoothee and is one of the heaviest duty door closers made the fl stands for fusible link.
Lcn door closer fusible links.
