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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:2006EN3 to 4
Applicable Door
(Door Width / Door Weight)
< 950mm | < 100kg653
<1100mm | < 150kg654
Body dimension (mm)Length276
Height108
Thickness40
ArmStandardO
Offset arm Y
Y = Yes | O = Option

Introduction

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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.

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Installation

For center-hung, inward and outward opening doors

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Model650
Variable Closing Force - Spring Strength (EN)3 to 4
Door Width / Door Weight< 950mm | < 100kg653
<1100mm | < 150kg654
Body Dimension (mm)Length276
Height108
Projection40
ArmStandardY
Offset arm O
Cam-actionY
Angle of Opening130°
Sweep Speed AdjustableY
Latching Speed AdjustableY
Hold-OpenWithout Hold OpenO
at 90° hold-openY
at 105° hold-openO
Non-handedY
Y = Yes | N = No | O = Option

Accessories

Standard Strap, Top & Bottom Pivot (DMA)

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Standard Strap, Top & Bottom Pivot (NSA)

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Offset Pivot

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