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
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 | ||
