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Dorma BTS80-Kit L Complete

3/4" Offset Lead-Lined Doors

Quick Product Details

  • Complete Floor Closer
  • For Lead-Lined Doors
  • 3/4" Offset
  • Single Acting
  • Heavy Duty
SKU: BTS80-Kit L Complete can include all components

Starting price: $982.00 /each

Choose Options Below

This Dorma BTS80-Kit L is a heavy duty, 3/4" offset floor closer designed for use on lead-lined 1-3/4" thick doors. A complete package will include a floor closer body, cement case, top pivot, bottom arm, floor plate and an intermediate pivot is optional. This product is available with various options to choose from. Select below the choices that will suit the needs of your door.

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Price: $982.00

Choose Options

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

Choose Components:

1) BTS80 Body and Cement Case:

Floor Closer Body and Cement Case image
Buy Separately

2) Bottom Arm:

Buy Separately

3) Floor Plate:

Floor Plate for BTS80 Closers image
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4) Top Pivot:

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5) Optional Intermediate Pivot:

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Choose Finish:

Choose Handing:

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The handing of a door is always determined from the push side.

If the door swings away from you to the left, it is a Left Hand door

If the door swings away from you to the right, it is a Right Hand door


Choose Spindle Insert:

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Spindle Inserts


Choose Spring Size:

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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:
  • Lead-lined doors

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

Available Options: Choose Options Above

  • Finish:

  • Handing: info icon

    • Left Hand (LH)
    • Right Hand (RH)
  • 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 70°. (Not Available with BFE)
  • Selectable delayed action between 75° and 175°.
  • Selectable multi-point hold-open between (approximately) 75° and 175°.
  • Delayed action is functional when hold-open is not engaged.
  • Suitable for thin slab construction
Style Complete Floor Closer
Application 3/4" Offset
Door Handing Handed
Function Single-acting
Door Thickness 1-3/4"
Door Weight Up to 660 lb
Depth 2-3/8" - for thin slab construction

This BTS80 series closer is a heavy duty, 3/4” offset, single-acting closer that can control doors weighing up to 660 pounds. You can order the complete package above and have everything necessary for a new installation, or you can customize the package to include the  product component you need by selecting the necessary items above.



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