Please
ask your represenative about the wide variety of closers available
including those described below. The interchangeable spindle system,
providing a choice of (12) spindle heights, can be changed at installation
to suit varying clearances. Closers utilize dual valve adjustments
of closing speeds with a special hydraulic fluid to maintain constant
closing speeds even under extreme temperature changes. Standard
mechanical backcheck and pressure relief valve protect closer, door
and frame during opening and closing cycles. Heavy-duty closer designed
to handle doors up to 4' 6" wide and 660 lbs. Selective multi-point
hold open feature between 75° and 180° with beginning point
of hold open range adjustable between 75° and 105°. Standard
selective delayed action between 180° and 75°, with release
from delayed action adjustable between 105° and 75°.
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