Dorma BTS 75 V 
Adjustable strength floor spring suitable for internal or external doors up to 1100mm wide and 120kg weight, left or right hand, single or double action. Closing force and speed adjustable, backcheck protection, optional fixed-position hold-open.
See also clause 451 for Dorma MOB-approved floor springs.
Consult Dorma technical literature for details. Dorma can also provide a design and specification service and it is recommended that they are consulted early in the design process.

To BS EN 1154, CERTIFIRE approved, cert. no. CF 127
Manufacturer and reference: 

DORMA UK Limited 
Door Controls Division
Wilbury Way
Hitchin  
Hertfordshire
SG4 0AB

Tel:  01462 477600
Fax: 01462 477601 
Email: hardware@dorma-uk.co.uk


Reference: Dorma BTS 75 V
Finish:
Satin brass
Satin stainless steel
Others to special order