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Dorma BTS80-Kit B Complete

Center Hung, Double Acting, Wood or Steel Door and Frame Floor Closer

Quick Product Details

  • Complete Floor Closer
  • For Wood or Steel Doors and Frames
  • Center-Hung
  • Double Acting
  • Heavy Duty
SKU: BTS80-Kit B Complete can include all components

Starting price: $726.00 /each

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This Dorma BTS80-Kit B is the ideal double-acting floor closer for wood or steel doors and frames. It is a center-hung, non-handed closer that is available with many different options to suit the needs of your application. A pressure relief valve will protect the closer from damage caused by force closing.

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Price: $726.00

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After all options have been chosen, you can add to cart.

Choose Components:

1) Body and Cement Case:

Floor Closer Body and Cement Case image
Buy Separately

2) Floor Plate:

Floor Plate for BTS80 Closers image
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3) Top Pivot:

Center Hung Top Pivot image
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4) Bottom Arm:

Center Hung Bottom Arm image
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Choose Finish:

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Spindle Inserts


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BTS80 - Accommodates doors weighing up to 660 pounds

  • Barrier Free (BFE) - ANSi size 3:
    • Exterior Doors to 3'0".
    • Handicapped accessible, reduced opening force.
    • Opening force 8.5 lb or less on exterior doors to meet ADA requirements (Americans with Disabilities Act ) A117.1.
    • Not available with​ backcheck
  • Size 2 - ANSI size 4
    • Exterior Doors 2'6"- 3'6"
    • Interior Doors 2'6"- 4'0"
  • Size 3 - ANSI size 6
    • Exterior Doors 3'6"- 4'0"
    • Interior Doors 4'0" - 4'6"

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:
  • Wood or steel door frames

  • Meets ANSI A156.4 Grade 1 requirements
  • 25 year limited warranty

Available Options: Choose Options Above

  • Finish:

  • Spindle Insert: info icon

    • 5/16"clearance (74003)
    • 1/2"clearance (74005)
    • 5/8"clearance (74007)
    • STANDARD- 3/4"clearance (74010)
    • 13/16"clearance (74012)
    • 7/8"clearance (74015)
    • 1-1/8"clearance (74020)
    • 1-5/16"clearance (74025)
    • 1-1/2"clearance (74030)
    • 1-11/16"clearance (74035)
    • 1-7/8"clearance (74040)
    • 2-1/16"clearance (74045)
    • 2-5/16"clearance (74050)
    • No Spindle Insert
  • Spring Size: info icon

    • Barrier Free (BFE) - ANSI Size 3
    • Size 2 - ANSI Size 4
    • Size 3 - ANSI Size 6

Product at A Glance

  • Dual valves allow for adjustment of the closing-speed and latch-speed
  • Pressure relief valve protects the closer from damage caused by forced closing
  • Closer adjustment in the cement case provides lateral and longitudinal adjustment of 1/4”, and height adjustment of 5/32".
  • Mechanical backcheck at approximately 70º. (Not Available with BFE)
  • Selectable delayed action between 75º and 175º.
  • Selectable multi-point hold-open between (approximately) 75º and 175º.
  • Delayed action is functional when hold-open is not engaged.
  • Suitable for thin slab construction
Style Complete Floor Closer
Application Center-hung
Door Handing Non-handed
Function Double Acting
Door Weight Up to 660 lb
Depth 2-3/8" - for thin slab construction

The BTS80 series closers are designed and constructed with different features to ensure their durability and efficiency. The pressure relief valve will serve to protect the closer from any damage that can be caused by force closing the door. Its dual valves will permit the adjustment of the closing and latch speed according to the needs of the application.



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