DORMA BTS75VH-BF-NHO-80010-LH-606 Dorma DC BF X NHO LH FLOOR CLOSER, Satin Brass

DORMA DOOR CLOSER X BARRIER FREE X NON HOLD-OPEN LH FLOOR CLOSER
BTS75V SeriesFloor-Concealed Door Closers

Dependable and versatile floor-concealed closers for almost any installation.
The BTS75V 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.

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 secondary regulation system 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 SC2 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.

Certification:

• The DORMA BTS75V and BTS75V BF non-hold open versions are listed by UL and CUL under their continuing reinspection programs.

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

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

Door Width: Interior:

• 2′-0″–3′-6″
• Maximum door widths shown below are for average conditions. If there are unusual site conditions, e.g. high or exceptionally heavy doors or wind pressure, the door width should be reduced.

Exterior:

• 2′-0″–3′-0″
• NOTE: Although DORMA BTS75V and BTS75V BF Series closers have adjustable spring power to compensate for site conditions, it can not be guaranteed that adequate control will be obtained while complying with interior or exterior barrier-free opening force restrictions.

Specifications:

• 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 lb 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 barrier-free openings shall be DORMA BTS75V BF.

• The closers shall be capable of maintaining a maximum opening force of 5 lb through 90° of door swing on barrier free interior doors and 8.5 lb 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 SC2 to prevent water or cleaning solvent from entering the cement case.

Optional Plated Finishes: Brass:

• 605 (Bright)
• 606 (Satin)

Bronze:

• 611 (Bright)
• 612 (Satin)
• 613 (Oxidized Satin Oil Rubbed)

Nickel:

• 618 (Bright)
• 619 (Satin)

Chrome:

• 625 (Bright)
• 626 (Satin)

Standard Sprayed Finishes: Aluminum:

• 689

Bronze:

• 691 (Dull)
• 690 (Statuary)
• 695 (Dark Duranodic)

Gold:

• 696

Black:

• 693

• Optional DORMA Custom Color or Designer Color FinishesContact Customer Service.

Reduced Opening Force Installation Caution:

• Manual door closers, including closers certified to conform to ANSI/BHMA Standard A156.4, when installed and adjusted to conform to ADA or other reduced opening force requirements, may not provide sufficient power to reliably close and latch a door.

• Refer to catalog for information on Low Energy Operators to meet reduced opening force requirements without affecting closing power.

Warranty:

• For details, refer to DORMA Limited Warranty on our website at go.dorma.com/terms.

Features: Adjustable spring sizes:

• BTS75V – 1–4
• BTS75V BF – 1–4

Non-handed unit suitable for both single and double-acting doors:

• BTS75V – yes
• BTS75V BF – yes

Controlled closing with two independent valves:

• BTS75V – 175°–15°/15°–0°
• BTS75V BF – 175°–70°/70°–0°

Mechanical backcheck:

• BTS75V – yes
• BTS75V BF – no

Delayed action:

• BTS75V – no
• BTS75V BF – yes

Single point hold open available at 90°:

• BTS75V – optional
• BTS75V BF – optional

Single point hold open available at 105°:

• BTS75V – optional
• BTS75V BF – no