NHN400 Series overhead door closer offers a comprehensive
range of hydraulic, power adjustable door closers to
suit all applications.
NHN400 Series door closers are current with modern designs
offering two speed adjustment valves available at the
front of the body for easy control of closing and latching.
NHN400 Series are power adjustable by screw, whilst
NHN 420 Series are power adjustable by position.
Square Body with Cover & Accessories.
EN Standard Power Adjustable EN 1154. Fire Tested.
Series offers sizes EN2-5, spring power adjustable
by power adjustment screw.
Series offers sizes EN2-4, by position of door closer
check and delayed action functions available.
speed control adjustments by valve screws at the front
of the closer body
and modern body.
range of accessories including stainless steel and
finish as standard with others available.
400 & 420 are CE approved to EU directives (89/106/EEC)
by the EN 1154:1996/A1:2002 and EN1634-1:2000.
- A free replacement ex-works if any closer proved
defective by reason either of faulty manufacture or
defect in materials.