Fire protection fluid

RELATED FAQS

Question
Answer
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 ...
The fluid in an LCN closer must not be refilled in the field. See attached Warranty and Repair Communication 
Oil, Closer Fluid, Fluid
Fire Rating, Label, UL, WH, FM
Yes, Steelcraft doors we are approved up to 48" in height or not to exceed a total 2304 square inches per face. Protective plates are usually flat sheets of metal or plastic applied to one or both...
Concealed Closers, UL, Underwriters Laboratories