Door Closer Guide
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A Door closer is an important link in the control of fire and smoke and could also save lives. The closing device standard BS EN 1154 : 1997 is the minimum requirement for any door control manufacturer. This standard provides details on product types, classification of use cycle testing, corrosion resistance, performance requirements test methodology and product marking
What does BS EN 1154 Mean to You:
This Standard classifies door closing devices using a 6 digit coding system. Each digit relates to a particular feature of the product measured against the standard performance requirements i.e. 483113
Application 1 (fig 1) Mounted on the pull face of the door
Application 61 (fig 61) Mounted on the transom of the push side of the door
Application 66 (fig 66) Mounted on the push face of the door
Digit 1 : Category of Use
Identifies the angle of opening. Grade 4 means the closer will close the door from 108 degrees approximatley. Grade 3 closers will close the door from 105 degrees
Digit 2 : Test Cycles
Included in 500,000 cycle test. 8 is the only grade that can be obtained
Digit 3 : Test door mass / size
Each number in this category identifies the closer size and its suitability for use on these doors. Adjustable strength closers are defined by showing both the minimum and maximum strength
|Closer Size||Door Width||Door Weight|
Digit 4 : Fire Behaviour
Based on the results of the fire tests BS 476 : part 22. 1 is the grade given to the closers that are suitable for use on fire or smoke door.
Digit 5 : Saftey in Use
A compulsory part of the standard, which ensurwes the closer, presents no hazard to the person using the door
Digit 6 : Corrosion Resistance
Five grades are identified from 0, which has no identified resistance to 4, which is very high resistance. Grades are obtained after closers have been included in salt spray test and had their performances re-confirmed after the test.
Door Closer Terminology
Angle of opening :
Maximum angle of opening 180 degrees subject to hinge projection and surrounding structure
Door Speed :
Can be adjusted to either increase or decrease the closing speed of the door from approximately 180 degrees to zero degrees
Latch Action :
To accelerate the door in the final stages of closing cycle to assist in overcoming stubborn latch bolts or air pressure conditions
Acts as a defense mechanism when the doors is forcibly thrown open preventing damage to the door and its surround. This concept prevents the door slamming into walls or furniture by cushioning the opening of the door, preventing costly damage.
Delayed Action :
Provides prolonged closing time for slow moving traffic. This enables the doors closing to be adjusted so that when it is opened further than 75 degrees, the closing action can be delayed for specific periods of time providing a delay in the closing cylce for slow moving users such as the elderly, hospitals porters or the disabled to pass through the doorway.