NHN 500 - MICOM Autodoor

NHN 500 is a transom mounted overhead door closer with cover plate and accessories. Various closing strengths range from EN1154 No. 2, 3 and 4.

Introduction

Concealed overhead door closer. Centre pivoted for double or single action

Adjusting Closing Speed

Closing Action – Offering Cam-action adjustable closing speed and latch speed by 2 valves. With 90° hold open and non-handed 130° open angle
Capacity – Varied closing force by model from 70-150kg door capacity
Back Check – Provides a cushioning effect when the door is forcibly thrown open but does not serve as a substitute for a doorstop.

Side-load top arm and channel

Side-load bottom pivot assembly (70mm pivot point)

Finishes – Cover plate with finish SSS or Polished brass.

Guarantee – Free replacment ex-works if any closer proves defective by reason either of faulty manufacture or defect in materials.

Model		500
Variable Closing Force - Spring Strength (EN)		2 to 4
Applicable Model	< 850mm \| < 70kg	552
	< 950 mm \| < 105kg	553
	< 1100mm \| < 150kg	554
Body Dimension (mm)	Length	271
	Height	87
	Projection	40
Arm	Standard	Y
Arm	Offset arm	N
Cam-action		Y
Angle of Opening		130°
Sweep Speed Adjustable		Y
Latching Speed Adjustable		Y
Hold-Open	Without Hold Open	O
	at 90° hold-open	Y
	at 105° hold-open	O
Back-check	Self-regulating	N
Back-check	Adjustable at Valve	O
Delayed Action Adjustable		O
Non-handed		Y
Y = Yes \| N = No \| O = Option