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Dorma BTS75V/F NHO |
BTS 75V/F NHO Concealed Floor Closer Package
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| Manufacturer: Dorma |
| Price: $1,358.85
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This product review video is for a similar product but it will differ in size, color and/or other attribute. We still feel the video will be of value to you.
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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 75V/F Concealed Floor Closer Package
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Components: BTS 75V/F –
3/4" Offset, Up To Three-Hour Rated
1. No. 75133 Top Pivot
3. No. 75323 Bottom Arm
4. No. 74010 Spindle
5. No. 7510 Cover Plate
6. BTS 75V NHO Closer and Cement Case
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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.
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| 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).
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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) |
| 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) |
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| Technical Details |
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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. |
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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.
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| 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) |
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| 1-1/2" Offset Packages (C, C-E, C-F) |
Pocket Door Packages (P)
Pocket Fire Door Packages (PF) |
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| Independent Hung Packages ( I ) |
Independent Hung Fire Door Packages (IF) |
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| 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 |
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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 |
4-1/8 |
12-1/8 |
2-9/32 |
3/32 |
Millimeters |
105 |
308 |
58 |
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Customer Reviews
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