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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.

 

  • 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.

Model500
Variable Closing Force - Spring Strength (EN)2 to 4
Applicable Model< 850mm | < 70kg552
< 950 mm | < 105kg553
< 1100mm | < 150kg554
Body Dimension (mm)Length271
Height87
Projection40
ArmStandardY
Offset arm N
Cam-actionY
Angle of Opening130°
Sweep Speed AdjustableY
Latching Speed AdjustableY
Hold-OpenWithout Hold OpenO
at 90° hold-openY
at 105° hold-openO
Back-checkSelf-regulatingN
Adjustable at ValveO
Delayed Action AdjustableO
Non-handedY
Y = Yes | N = No | O = Option

Cover Plate 

Cover plates available in 2 finishes

  • Satin stainless steel
  • Polished brass

Top and Bottom Pivots

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Top and Bottom Pivot

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Screw Pack For Fixing Brackets


Screw Pack For Side-Load

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Screw pack for side-load top arm and channel

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Screw pack for side-load bottom pivot

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