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Dorma BTS80D-3-74010-LH-626 3/4" Offset Hung Single Acting Door Package Door Floor Closer Size 3 Left Hand

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The BTS80D-3-74010-RH-626 of floor-concealed door closer offers 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.

Availability: In stock

$835.00

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Product Description

Details


• Single Acting
• 4-1/2" butt hinges w/ Wood or Steel Door & Frame (4-1/2” wide butt hinges not included)
• Compact closer body and cement case 2-3/8" deep suited for thin slab concrete construction.
• Accommodates doors weighing up to 660 pounds and 4'-6" wide interior and 4'-0" exterior.
• Closer adjustment in cement case provides lateral and longitudinal adjustment of 1/4" and height adjustment of 5/32".
• A pressure relief valve protects closer from damage caused by forced closing.
• If door hardware or adjacent structures interfere with maximum opening, an auxiliary stop should be installed.
• Finish: Satin Chrome 626

BTS80 Technical Details:

• Closer body is non-handed.
• Mechanical backcheck at approximately 70º.
• Selectable delayed action between 175º and 75º. Extends the closing cycle to allow unobstructed passage.
• Delayed action is functional when hold open is not engaged.
• Dual thermostatic control valves combined with special hydraulic fluid provide controlled closing from 175º.
• Selectable multipoint hold open between approximately 75º and 175º.
• Adjustment for start of hold open range or when delayed action releases. Adjustable between 75º and 105º.



Additional Information

Additional Information

Manufacturer Dorma
Model BTS80D-3-74010-LH-626
Application Single Acting
Size ANSI Size 3
Mounting Floor-Concealed
Hand Left Hand - LH
U.L. Listed The Dorma BTS80 F Series is listed by U.L. and C.U.L.
ANSI/BHMA ANSI A156.4 Grade 1
Warranty 25 Years
Weight 30.0000

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