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DC-07 (DC171)
‧Comply with Grade 3 standard.
‧3 hours fire rated.
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Material
Aluminum alloy housing.

Door Handing
Non-handed.

Valves
Adjustable latching and sweeping speed valves.
Adjustable Backcheck (BC) valve – Optional. 


Power Options
Fixed size 1, 2, 3, 4, 5.

Backcheck (BC)
Backcheck is available for model with power size #3 (optional).

Installation
Universal applications for standard, top jamb, or parallel arm installation.

Function
Non-hold open - Standard.
Interior hold open and exterior hold open – Optional.


Arms
Regular arm – Standard.
Hold open arm, parallel arm – Option.


Brackets
P bracket – Standard.
L A bracket – Option.


Opening Angle
All standard arm applications allow doors to swing 180°, conditions permitting.

 
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