Dorma BTS75V Floor Spring / Closer
A highly adaptable hold open floor spring suitable for all doors with a width up to 1100mm and up to 120 KG leaf weight.
- Virtually maintenance free ( other than routine dusting and cleaning )
- Finish available in stainless steel top plates, polished brass and either with single or double action packs.
- Adjustable closing action.
- Concealed installation.
- Fire rated for 1 hour for wood doors, 4 hours for metal doors.