NHN650 is a medium duty floor spring with spindle and various options. For installation on internal and external doors up to 1100mm wide with a weight of 150kg max.
Using Cam action, NHN650 offers a range of benefits, such as closing and latch speed adjustments for a perfect closing action.
Back check which is ideal for high traffic doors as it offers resistance when the door is opened with excessive force, preventing damage.
Dual-handed for push or pull side mounting and Double door opening angle of 130°.
Variable closing force EN3-4
- For doors up to 1100mm in width
- 150kg max door weight
- Closing and latch speed adjustment
- Non handed dual action
- Standard supply is without hold open (hold open available as option)
- With a range of door fitting accessories available
- Back Check
- Standard finishes in SSS or Polished brass
- Guarantee – A free replacement ex-works if any closer proved to be defective by faulty manufacture or defect in materials.
| NHN 650 | ||
| Closing force - EN1154:1996+A1:2002/AC:2006 | EN3 to 4 | |
| Applicable Door (Door Width / Door Weight) |
< 950mm | < 100kg | 653 |
| <1100mm | < 150kg | 654 | |
| Body dimension (mm) | Length | 276 |
| Height | 108 | |
| Thickness | 40 | |
| Arm | Standard | O |
| Offset arm | Y | |
| Y = Yes | O = Option | ||
Introduction
Adjustment
Adjust the closing speed to the required setting.
But do not over turn anticlockwise more than one turn to avoid damage which might cause leakage.
Installation
For center-hung, inward and outward opening doors
Model
| 650 | ||
| Variable Closing Force - Spring Strength (EN) | 3 to 4 | |
| Door Width / Door Weight | < 950mm | < 100kg | 653 |
| <1100mm | < 150kg | 654 | |
| Body Dimension (mm) | Length | 276 |
| Height | 108 | |
| Projection | 40 | |
| Arm | Standard | Y |
| Offset arm | O | |
| 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 | |
| Non-handed | Y | |
| Y = Yes | N = No | O = Option | ||
