SN-403 Floor spring with NHN-Japan
stainless steel cover plate. Variable
closing speed. Variable closing strength EN 3.
SN-403 is a universal non-handed floor spring for single and
double action doors.
fitting with DORMA BTS-65.
- Optional spindle inserts available to suit site conditions.
Independent regulating valves for closing (105-15°) and
latching (15-0°) speeds.
Open - Easy hold open adjustment (90-105°).
- Accommodates door weights from 70kg up to 110kg measuring
up to 1300mm wide.
- Free replacement ex-works if any closer proves defective
by reason either of faulty manufacture or defect in materials.