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Commercial door closer grades.
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Qdc114 starting at 282 72.
Grade 3 hardware should be used on very light residential applications such as guest rooms or storage rooms.
Grade 2 hardware can be used for light commercial and standard residential doors.
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Door closers have the following requirements.
This closer has a fixed spring tension size 3.
Tell manufacturing 300 series door closer is designed for interior commercial use.
1 000 000 cycles at 60 efficiency grade 3.
Closer size closing force number 1 2 lbs.
Choose grade 1 hardware for commercial applications or for doors subject to high levels of abuse.
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Global door controls commercial door closer with backcheck in aluminum size 3 model tc2203 bc al.
Dynasty hardware 3000 alum commercial grade door closer size 3 spring sprayed aluminum.
4 6 out of 5 stars 167.
Ul ulc listed up to 3 hours fire rated chassis closer cast aluminum handing non handed mounting tri pack regular top jamb and parallel arm applications.
Stanley qdc100 series surface mount door closer adjustable from sizes 1 to 6 with extra duty arm hold open and compression stop model.
Grade 1 commercial door closer performance complies with ansi a156 4 grade 1 2 million cycles.
Door closers can be classified in one of 6 different closer force sizes as shown in the chart to the right.
Hardware is typically listed as grade 1 2 or 3.
It is a grade 3 heavy duty aluminum commercial door closer that complies with ansi a156 4 ul ulc listed up to 3 hour fire rated.
2 000 000 cycles at 60 efficiency grade 2.
Norton grade 1 silver commercial door closer.
500 000 cycles at 50 efficiency.