4 Inch Ball Bearing Hinge Polished Brass
This CE marked Grade 11 ball bearing hinge features a polished brass finish and is suitable for standard doors & fire doors with a combined mass of up to 80kg. This fire door hinge is suitable for both FD30 & FD60 fire doors.
102 mm Ball Bearing Hinge Polished Brass
This 102mm ball bearing hinge is CE marked and tested to BS EN 1935:2006 and manufactured from 2.7mm thick stainless steel and measures 4"(102mm) long by 3"(76mm) wide when fully open and featuring a polished brass finish.
Polished Brass Ball Bearing Hinge
This 4" ball bearing hinge is supplied in single units complete with matching brass screws. This brass hinge is suitable for internal applications only, three hinges should be fitted to fire rated doors.
To extend the working life of this polished brass ball bearing hinge an occasional clean with a spray polish is recommended. We would also advise that once a year hinges are treated with a WD40 type oil, this will also increase the lifetime of the hinge. After initial installation subsequent oiling there may be slight oil seepage which should be cleaned off immediately with a dry cloth.
In order to fully comply with BS EN 1935:2002 it is recommended that when this ball bearing hinge is fitted to a fire door it should be bedded on a 2mm intumescent pad.