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Home > Door Closers > Floor Closers > Center Hung > Single-Acting > Heavy Duty > BTS 80/H Concealed Floor Closer Package

Dorma BTS 80/H

BTS 80/H Concealed Floor Closer Package

Manufacturer: Dorma

Price: $882.01

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Overview

The BTS75V Series of floor-concealed door closers offer adaptability to almost any installation.

The closer’s compact body permits its use where a larger closer would be prohibitive.

Versatility allows installation in thin slab concrete subfloor construction. A wide selection of interchangeable spindles makes the BTS75V suitable for virtually any floor covering or threshold application.

Adjustable spring power from size 1–4 allows the necessary adjustment required for both barrier-free and non-barrier-free openings, giving ultimate installation flexibility.

Trouble-free performance under adverse climatic and traffic conditions makes the BTS75V floor-concealed closer dependable and a perfect choice for even the most rigorous applications.

For total control and uncompromising creativity for any door opening, specify a BTS75V floor-concealed closer.

BTS 80/H Concealed Floor Closer Package

Components : BTS 80/H – Center Hung , Single-Acting

1. No. 8062 Top Pivot
2. No. 7421 Bottom Arm
3. No. 80010 Spindle
6. No. 7410 Cover Plate
7. BTS 80 Closer and Cement Case

	Cut Sheet
	Product Brochure
	Technical Drawing
	Templates
	Installation Instruction


	A	B	C	D	E
Inches	1-7/16–1-13/16	2–2-1/4	2	3-1/4	11-1/4
Millimeters	36–46	51–57	51	82	285

Features	BTS75V	BTS75V BF
Adjustable spring sizes	1–4	1–4
Non-handed unit suitable for both single-and double-acting doors	yes	yes
Controlled closing with two independent valves	175º–15º 15º–0º	175º–70º 70º–0º
Mechanical backcheck	yes	no
Delayed action	no	yes
Single point hold open available at 90º	option	option
Single point hold open available at 105º	option	no

Certification

The DORMA BTS75V and BTS75V BF non-hold open versions are listed by U.L. and C.U.L. under their continuing reinspection programs.

The DORMA BTS75V Series is certified to the requirements of ANSI A156.4 for grade 1 closers.

The BTS75V BF meets the opening force requirements of ANSI A117.1 for barrier-free interior and exterior doors.

Specification

All floor-concealed door closers shall be DORMA BTS75V Series employing a cam and roller mechanism.

The closers shall be capable of controlling doors weighing up to 260 pounds and measuring up to 3'-6" for interior doors and 3'-0" wide for exterior doors.

The closers will have mechanical backcheck at approximately 70°. Dual valve adjustment will provide controlled closing speed from 175°–15° (sweep range) and 15°–0° (latch range), even in cold temperature conditions.

The closer mechanism will provide adjustment within the cement case to allow 3/8" lateral, 1/4" longitudinal, and 5/32" vertical height adjustment.

Field interchangeable spindles will be available to provide bottom door clearances ranging from 5/16" to 2-5/16".

Optional Specifications:

Floor-concealed door closers for all interior and exterior barrierfree openings shall be DORMA BTS75V BF.

The closers shall be capable of maintaining a maximum opening force of 5 pounds through 90° of door swing on barrier free interior doors and 8.5 pounds on exterior barrier-free doors 3'-0" wide.

The closers will have selectable delayed action standard without backcheck.

The closers should be used with sealing compound SC-1 to prevent water or cleaning solvent from entering the cement case.

Finishes:

Optional Plated Finishes:

Brass: 605 (Bright) or 606 (Satin).
Bronze: 611 (Bright), 612 (Satin), or 613 (Oxidized Satin Oil Rubbed).
Nickel: 618 (Bright) or 619 (Satin).
Chrome: 625 (Bright) or 626 (Satin).

Standard Sprayed Finishes:

Aluminum: 689.
Bronze: 691 (Dull), 690 (Statuary), or 695 (Dark Duranodic).
Gold: 696.
Black: 693.

Optional Special Color Sprayed Finishes:

Specify code number or submit 3 color chip samples. (With sprayed finishes, the exposed pivots are painted; closer cover is plated a complementing finish).

Warranty:

25 Years.

How to Order BTS75V Series		Example
Closer	BTS75V	BTS75V
	BTS75V BF (barrier-free)	BTS75V BF
	(see BTS Applications and Accessories brochure for specific handing of accessories and packages)	BTS75V BF
Package	Center-pivoted double-acting aluminum door and frame	BTS75V/A
Body Option	Non-hold open	BTS75V - NHO
	90° hold open	BTS75V - 90° HO
	105° hold open	BTS75V - 105° HO
Accessories	Specify the number of the accessory (see BTS Applications and Accessories brochure)	SC-1
Spindle	74010 or 80010 are furnished standard unless otherwise specified (see Spindles on page 6)	BTS75V/A x 74025
Finish	Bright Brass	BTS75V/A (605)

Technical Details

	BTS75V
	Adjustable spring size 1–4. Can be installed and adjusted to meet 8.5 lb maximum opening force requirements for exterior doors. Compact closer body and cement case 2" deep suited for thin slab concrete construction. Closer body is non-handed. Accommodates doors weighing up to 260 lb and measuring up to 3'-6" wide interior and 3'-0" exterior. Mechanical backcheck at approximately 70°. Dual thermostatic control valves combined with special hydraulic fluid provide controlled closing from 175°. Optional single point hold open units available for 90° or 105°. A pressure relief valve protects closer from damage caused by forced closing. Closer adjustment in cement case provides 3/8" lateral, 1/4" longitudinal, and 5/32" height adjustment. Optional sealing compound SC-1 prevents water or cleaning solvent from entering the cement case. Optional accessory bracket available to convert a BTS75 cement case to accept a BTS75V.
BTS75V NHO BTS75V BF NHO	Non-hold open unit is U.L. listed for use with fire rated doors when door swing is limited to 175° with an auxiliary stop.
	BTS75V BF
	Opening force 5 lb or less on interior doors /8.5 lb or less on exterior doors where door without closer attached is 1 lb opening force or less. Mechanical backcheck eliminated to meet the barrier-free opening force requirement through 90° of opening. Selectable delayed action between 175° and 70°. All other details are the same as the BTS75V.

Hand Selector

Applications
Accessory packages for the following applications are designated with an accessory illustrations, see BTS Applications and Accessories brochure.
Center Hung Packages (A,B,G,H)	3/4" Offset Packages (D,E,F)
	.
1-1/2" Offset Packages (C, C-E, C-F)	Pocket Door Packages (P) Pocket Fire Door Packages (PF)

Independent Hung Packages ( I )	Independent Hung Fire Door Packages (IF)

Spindles
Spindle No.	Dimension “x” (Door Clearance)	Offset (Spindle No.)	Dimension “y”
74003	5/16"	80003	1/8"
74005	1/2"	80005	5/16"
74007	5/8"	-	7/16"
(STD)74010	3/4"	80010	1/2"
74012	13/16"	-	5/8"
74015	7/8"	80015	11/16"
74020	1-1/8"	80020	7/8"
74025	1-5/16"	80025	1"
74030	1-1/2"	80030	1-5/16"
74035	1-11/16"	-	1-1/2"
74040	1-7/8"	-	1-11/16"
74045	2-1/16"	-	1-7/8"
74050	2-5/16"	-	2-1/16"

Offset Spindles			Extended Spindle Insert NOTE: Closer and arm must be installed per template for door clearances shown to be valid. Closers with extended spindle inserts are used with thresholds, carpeted floors, or terrazzo pans or in cases where more clearance between door and floor is required. All spindles are zinc plated.
Spindles are available with a 3° offset for additional pressure to hold door in the closed position. Normally, this is only necessary for center-pivoted single acting applications. However, they can also be used with other applications to compensate for templating errors. Specify hand of offset spindle when ordering.

Cover Plate
Universal cover plate 7510, suitable for left hand/right hand, 3/4" offset, 1-1/2" offset and center pivoted doors. Material is stainless steel or brass depending on the plated finish specified.	Inches	G	H	I	J
	Inches	4-1/8	12-1/8	2-9/32	3/32
	Millimeters	105	308	58	2