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dormakaba RTS88-Kit 01

Center Hung Side Load, Aluminum Door and Frame Overhead Complete Closer

Quick Product Details

  • Complete Overhead Closer
  • For exterior and interior aluminum doors and frames
  • Center-Hung
  • Single/Double Actiing
  • Side-Load
  • Standard Duty
Starting price: $553.00 /each

SKU: RTS88-Kit 01 can include all components

Choose Options Below

This Dorma RTS88-Kit 01 is a center-hung, standard duty side load overhead concealed closer for exterior and interior aluminum doors and frames. This closer can be single or double acting and it is suitable for doors weighing up to 250 pounds.

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Price: $553.00

Start selecting options

Use the menu on the right to select available options.
After all options have been chosen, you can add to cart.

Choose Components:

1) Cover Plate:

Cover Plate image
Buy Separately

2) Side load Top Arm:

Side Load Top Arm image
Buy Separately

3) Side Load Threshold Pivot:

Side Load Threshold Pivot image
Buy Separately

4) Overhead Concealed Door Closer Body (RTS88):

Overhead Concealed Door Closer Body image
Buy Separately

Choose Finish:

AL-689 Aluminum Painted AL-689 Aluminum Painted
DKBRZ-695 Dark Bronze Painted DKBRZ-695 Dark Bronze Painted

Choose Hold Open:

Need Help Deciding? QH chevron down
Hold Open - 90 degrees (HO90)
No Hold Open - 90 degrees (NHO)
Hold Open - 105 degrees (HO105)
No Hold Open - 105 degrees (NHO)

Help Me Decide

Hold open - a mechanism within a closer which allows a door to remain in an open position.

Hold open closers are not permitted for use on fire rated doors.


Choose Spring Size:

Size 3
Size 4

Help Me Decide

  • Size 3
    • Interior Doors over 3'-0" to 3'-6"
    • Exterior Doors over 2'-6" to 3'-0"
  • Size 4
    • Interior Doors over 3’6”- 4’0”
    • Exterior Doors over 3’0”- 3’6”


Maximum door widths and recommended sizes shown are for average conditions. If there are unusual site conditions, e.g. high or exceptionally heavy doors or wind pressure, the next stronger spring size should be selected.



Suited for:
  • Exterior and interior aluminum door and frames

  • 5 year limited warranty


Available Options: Choose Options Above

  • Finish:

  • Hold Open: info icon

    • Hold Open - 90 degrees (HO90)
    • No Hold Open - 90 degrees (NHO)
    • Hold Open - 105 degrees (HO105)
    • No Hold Open - 105 degrees (NHO)
  • Spring Size: info icon

    • Size 3
    • Size 4

Product at A Glance

  • Designed to fit into headers as small as 1-3/4” x 4" for aluminum frames and is also adaptable to wood and hollow metal frames.
  • Features mechanical backcheck
  • Always use an auxiliary stop in conjunction with RTS88 installations.
  • Pressure relief valve protects the closer from abuse due to forced closing
  • An integral positive stop limits door swing to 90° or 105°
  • Closing speeds are controlled by two adjustment valves. Sweep-speed area is from 105°  to 20°. Latch-speed area is from 20° to 0°.
  • Mounting brackets are included to install closer into aluminum or wood headers
Style Complete Overhead Closer
Grade Standard Duty
Application Center-Hung
Door Handing Non-handed
Function Single/Double acting
Door Thickness 1-3/4"
Door Weight Maximum 250 lb
Door Width - Exterior: maximum 3'6"
- Interior: maximum 4'0"

More Info

The RTS88 series Dorma closer is the perfect concealed closer to make your application aesthetically pleasing while not compromising on quality and strength. This closer is suitable for wood, hollow metal or aluminum doors and frames that weigh a maximum of 250 pounds. It can be used on doors that are single and double acting.



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