
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
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 |
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 |
Cover Plate
Cover plates available in 2 finishes
- Satin stainless steel
- Polished brass
Top and Bottom Pivots
Top and Bottom Pivot
Screw Pack For Fixing Brackets
Screw Pack For Side-Load
Screw pack for side-load top arm and channel
Screw pack for side-load bottom pivot
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