Floor springs A range of door closers suitable for doors weighing up to 300 kg with a maximum width of 140 cm, and for accessories to be used with metallic or wooden doors. The perfect complement to TESA's range of fittings for glass doors. CTSU71 Door CloserCTSU71 series floor spring, available with closing force … CTSU100 Door Closer CTSU200 Door Closer CTSU300 Door Closer CTSU80 Door Closer