NHN 500

NHN 500 Transom Mount Closer with Cover Plate & Accessories. Variable Closing Strength No.2, No.3 & No.4

  • Adjustable close speed
  • Adjustable latch speed
  • 70-150kg door capacity
  • Varied closing force
  • 130° open angle
  • 90° hold open
  • Cam-action
  • Non handed
  • Back check
  • Cover plate with finish
  • 10 year guarantee

Introduction

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

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Adjusting Closing Speed

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  • 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

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

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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
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
Adjustable at Valve O
Delayed Action Adjustable O
Non-handed Y
Y = Yes | N = No | O = Option

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