Door Closers | Dorma
Door Closers
Door Closers from Cal-Royal, Corbin-Russwin, Doromatic, Dorma, Global,
International Door Closer, Jackson Door Closer, LCN, LCN Sentronic, Norton, Sargent, Rixson, and Yale
Selling Door Closers for the past 35 years
Make sure you click on the Door Closer Image or Text for more
dimensional and pricing information.
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Dorma 8900 Series
The heavy-duty 8900 Series non-handed surface applied closer
with adjustable spring power and backcheck positioning adjustment.
The 8900 has intensity adjustable hydraulic backcheck
that will take effect at approximately 65º. The 8900 has two
independent, noncritical adjustment valves to control sweep and
latch closing speeds. The backcheck positioning valve maintains
an effective backcheck range on parallel arm applications. The
8916 will be available with field adjustable spring power from size
1 to 6 for barrier-free requirements.8900- -
Dorma RTS88 Door Closer-
Dorma RTS88 Series overhead concealed door closer for both single and double-acting doors. The RTS88 will consist of a steel cam, rollers, and springs housed in a compact cast iron body. Closers will be capable of being installed in minimum 1-3/4" x 4" headers. RTS88 will have maximum door opening to 90º or 105º, trim conditions permitting. Sweep and latch speed will be controlled by two noncritical adjustment valves from 90º or 105º to closed. Built-in pressure relief valve will protect the closer from abuse caused by forced closing. A mechanical backcheck combined with a positive stop at 90º or 105º will be provided to protect the door and frame. The RTS88 closer will be available with hold open at 90º or 105º, or without hold open. Now available with Size 3 Spring or Barrier Free Exterior to meet ADA Handicap Codes. The product shown here is just the replacement cylinder.
RTS88
