Sometimes doors are required to perform conflicting functions simultaneously.
Air pressure door closer.
I have a stairwell door that won t shut on the 15th floor of a high rise building due to the air pressure in the stairwell.
Building pressure causes building pressure is caused by a difference in temperature or pressure between two spaces separated by doors.
Ask the experts blog.
Product title pneumatic light duty door closer white average rating.
Different door closer manufacturers tend to produce dissimilar products but all door closers have some sort of pressure adjustment.
On all hydraulic door closer units there is a tiny screw located in the back to adjust the amount of incoming or released air pressure.
Some models have separate adjustments for sweep s which.
Essentially the storm door is closing faster than the air can escape between the 2 doors which means eventually the air pressure built up will be come stronger than the doors momentum in closing.
To correctly answer this question we need to know how much more force is required to get the door closed.
If the door closer is continuously jamming you may need to check the.
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Try and adjust this to check for functionality.
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Air pressure in stairwell door closer solution.
Hydraulic door closers have a tiny screw at the back that regulates the amount of incoming or outgoing air pressure.
The current door closer brings the door to the jamb but won t latch it closed all the way.
They could try turning the rod shoe over short side of shoe towards the hinge or they may have to go to a sized closer 4016 4026 4116 instead of an adjustable closer.
As air pushes into or out of a building moving from an area of high pressure to one of lower pressure it exerts incredible amounts of force on the doors and can prevent door closers from properly functioning.