Concealed fire door closers provide the functionality of an overhead door closer but are fitted within the door leaf and frame.
Perko concealed fire door closer rounded plate.
1987 by the warrington fire research centre.
All concealed fire door closers are provided with fitting instructions.
Received executive orders rm 18 002 and rm 18 003 from carb on may 15th 2018 for its canisters used in boat fuel systems.
Solid brass round anchor plates lacquered mechanism housing and precision engineered chain add to its appeal.
The perko concealed fire door closer is ideal for use where an overhead door closer would be unsuitable or unsightly.
Perko is the original concealed door closer offering an economic means of providing automatic closing.
This type of installation is aesthetically pleasing and helps to reduce vandalism as most of the door closer is hidden from sight.
Solid brass round anchor plates lacquered mechanism housing and precision engineered chain add to its appeal.
Suitable for internal doors up to 50kg 110lbs in weight in light to medium use applications.
Perko concealed door closers are rated for use with 1 2 and 1 hour fire doors and certificated to bs 476 part 20.
Perko is the original concealed door closer offering an economic means of providing automatic closing.
Perko concealed door closer.
Perko is the original concealed door closer offering an economic means of providing automatic closing.
Solid brass round anchor plates lacquered mechanism housing and precision engineered chain add to the appeal.
Featuring two high quality finish rounded plates joined by a chain mechanism the device is uncontrolled but the spring tension can be adjusted for softer closure.
Solid brass round anchor plates lacquered mechanism housing and precision engineered chain add to its appeal.
Featuring two high quality finish rounded plates joined by a chain mechanism the device is uncontrolled but the spring tension can be adjusted for softer closure.
Perko concealed door closers are rated for use with 30 and 60 minute fire doors and certificated to bs 476 20 1987 by the warrington fire research centre.
Designed to be rebated into the door leaf the cylinder body of the perko closer is hidden when installed leaving only the two attractive finish rectangular plates joined by a chain mechanism visible.
Perko is the original concealed door closer offering an economic means of providing automatic closing.
Suitable for internal doors up to 50kg 110lbs in weight in light to medium use applications.
Featuring two high quality finish rounded plates joined by a chain mechanism the device is uncontrolled but the spring tension can be adjusted for softer closure.
Delphi perko carbon canisters are carb approved for 2018 may 16 2018 2 00 pm.
Perko is suitable for internal doors up to 50kg 110lbs in weight in light to medium use applications.
