Matlock Overhead Door Closer Cwback Check Delay Silver

This comprehensive range of Door Controls feature varying power sized units for many different door applications. They come with a choice of architectural covers which are each available in 26 different plated or colour coated finishes.
To help select the correct closer for you each unit has a listing showing their key features certification numbers and fire ratings. Plated arms are available on certain units only and test certificates are available upon request.

BS EN1154 Classification
This standard classifies door closers using a 6 digit coding system. Each digit relates to a particular feature of the product measured against the standards performance requirements.
Digit 1 Category of use
3 denotes the unit is for closing doors from at least 105.
4 denotes the unit is for closing doors from 180 open.
Digit 2 Durability
8 successfully completed 500 000 test cycles.
Digit 3 Test door masssize
Seven grades are identified as shown in the table below where a
closer provides a range of power sizes both the minimum and
maximum sizes shall be shown
Power size Test door mass Recommended door leaf width
1 20kg 750mm
2 40kg 850mm
3 60kg 950mm
4 80kg 1100mm
5 100kg 1250mm
6 120kg 1400mm
7 160kg 1600mm
Digit 4 Fire behaviour
0 denotes the unit is NOT suitable for use on firesmoke doors.
1 denotes the unit IS suitable for use on firesmoke doors.
Digit 5 Safety in use
1 all door closer units are required to stisfy the essential requirement of safety in use.
Digit 6 Corrosion resistance
0 indicates no defined corrosion resistance
1 indicates mild corrosion resistance
2 indicates a moderate level of corrosion resistance
3 indicates high corrosion resistance
4 indicates very high corrosion resistance.
Within this section units have been tested to BS EN1154 with many units also having been tested to current Certifire testing and CE test criteria. Therefore the 6 digit classification is shown against each of the varying units thus indicating their performance and grading under BS EN1154.

An example of the grading for a 1559 closer unit would be as follows

3   8   42  1   1   3
1   2   3   4   5   6

What’s in the box
1 x MATLOCK OVERHEAD DOOR CLOSER CWBACK CHECK DELAY SILVER