Back Check Valve Door Closer
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Back check last 5 15 degrees of the door opening 2.
Back check valve door closer. For doors weighing up to 155 lbs. Door closer bc or back check means how the door responds when fully opened the amount of resistance when opening the door past a certain point. The closer is recommended for use on all aluminum store front doors wood or hollow metal commercial applications. The global door controls tc2204 commercial door closer comes with a size 3 spring tension and in a sleek aluminum finish.
A lot of door closers will have 2 3 adjustable valves screws that control the flow of the oil in the closer when the arm moves. The valve on the back of a 4041 4040xp closer is a back check selector valve that needs to be turned in on parallel arm mount applications only. Back check is used to slow the door down not to stop the door. Most door closers have a few simple adjustments.
Sometimes we hear customers say that the door is hard to open or that they want us to adjust the tension on the door closer. If a 4041 4040xp closer mounted top jamb or. A properly adjusted door closer latch speed should never slam the door closed causing stress on the door and frame. How it works and how to adjust.
What is a hold open or hold open arm. This closing zone is controlled via the latch speed valve. How to adjust the back check valve on a ts 5204 door closer. Back check is used to slow the door down if someone throws the door open or if the wind were to catch the door and blow it open.
Check all templating and settings. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. The latch speed is the last 5 15 degrees before th. Swing speed from an open position to the last 5 15.
They are usually the latching speed closing speed and back check. Back check valve valve 1 as specified in instructions controls the back check intensity 3 32 allen wrench. If a 4041 4040xp closer mounted top jamb or pull side and there is no backcheck the closer could be defective. The valve on the back of a 4041 4040xp closer is a back check selector valve that needs to be turned in on parallel arm mount applications only.
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