SN-303 Floor spring with NHN-Japan
stainless steel cover plate. Variable
Closing strength EN 3 to 5 by model.
SN-303 is a double action floor spring, which has been specially
developed for aluminium and toughened glass door industries.
fitting with DORMA BTS-84.
- Non-Handed install depth of just 40mm. Changeable spindle
insert available to suit field conditions.
Independent regulating valves for closing (120-15°) and
latching (15-0°) speeds.
Open - Easy door adjustment for 90° hold open or non-hold
- Accommodates door weights from 70kg up to 180kg measuring
up to 1300mm wide.
- Free replacement ex-works if any closer proves defective
by reason either of faulty manufacture or defect in materials.