The LCN closer fluid "Liquid X" will perform without variation between:
-30° F to +120° F - for manual closers.
+35° F to +120° F - for electrical closers and automatic operators.
At around ...
Hold Open Closers & Magnets (Fire/Life safety products) provide a wide range of solutions. Single or multi-point hold open closers
Utilize an electromechanical closer.
Hold the door o...
The 3130 Series closer is UL listed- Fire Rated (UL-10C) for up to 3 Hr.
The Door and Frame Manufacturer needs to be contacted to verify their Door/Frame rating would not be ...