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Automatic detection and containment of fire & smoke is the safest
way to minimize danger to life and property.
Patented Sentronic door closers/holders are designed to hold swinging
doors open in normal use and release them to automatically
Close doors in emergency conditions.
Applications
- For fire and smoke barrier doors potentially integrated into larger
systems. Surface and concealed mountings.
- Remote control hold-open function of executive and conference room
doors.
- Adaptor plates and accessories are available for unusual conditions.
Check with Relcross before finalizing your specification.
Features common to Fire & Life safety products:
- 24V ac/dc input. Relcross can provide transformers to suit all systems.
- When the current is interrupted, the hold-open feature releases and
the door closes.
- Adjustable hydraulic backcheck cushions the opening arc prior to 90
degrees.
- Separate regulation of closing and latching speeds.
- Can be pushed safely and easily out of hold-open.
- Works with ionization, photoelectric and heat-sensing detectors (by
others).
Warranty
- 2 year limited warranty. See terms and conditions and standard Warranty
Document for more information
Materials
- High strength cast iron cylinder
- Forged steel main arms
- One piece forged steel pistons
- Heat treated pinion
- All weather fluid eliminates seasonal adjustment. Temperature
range 49 deg. C to minus 35 degrees C
- High efficiency, full compliment, low friction bearings
- Tamper resistant regulating screws
- Full rack and pinion hydraulic action
- Quiet, low friction track and roller combination for all single
lever arm closers
Finishes
- Available from stock in US28 silver powder coated finish
- Available in wide range of powder coated finishes to match any RAL
colour (to special order)
- Plated finishes available on metal covers and all arms (to special
order).
- LCN's powder coated finish surpasses 100 hours of salt spray - four
times the ANSI (US) standard.
- See also BS EN certification for more information on salt spray testing
Maintenance
- Closers mounted in accordance with LCN installation instructions require
no periodic maintenance or adjustment.
- Quarterly inspections are recommended. Please refer to the installation
instructions for complete, product specific, details.
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