GTS850
Concealed double action overhead door closer. For fitting into aluminium or steel box section transoms. Supplied with 90° hold open facility as standard. Closing speeds are adjustable with valve no.1 operating from 130° to 20° and valve no.2 from 20° to centre.
- Overall length 330mm (including fixing brackets)
- Case depth 38mm
- Spindle length 12.2mm
