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Norton 78B/D-RA-LH-689 Regular Arm Traditional "Potbelly" Door Closer Left Hand

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The Norton 78-B/D-RA-LH Traditional Surface Closers represent a combination of traditional styling and modern closer features. All closer sizes are contained within a single size aluminum alloy shell.

Availability: In stock

$426.88

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Product Description

Details


• Aluminum Alloy Shell: Norton closer shells are constructed of a special aluminum alloy, carefully selected to accommodate individual closer characteristics and operating conditions.
• Adjustable Spring Power: Clock-type coil spring affords a wide range of closer power. Permits a fine adjustment of the closer to the environment.
• Rack & Pinion Operation: Provides a smooth transmission of power for control of the door through its full opening and closing cycle.
• Adjustable Sweep/Latch Speed: A dual purpose regulating valve, hex-key operated, permits independent adjustment of both sweep and latch speed.
• Adjustable Backcheck Cushioning: An independent regulating valve, hex-keyoperated, provides an adjustable hydraulic cushion to the door opening speed toward the end of the opening cycle.
• Non-Hold Open Arm: Standard closer will be supplied with a non-hold open arm.
• Field Reversible: Closer spring can be field-reversed to accommodate the hand of the door. It is recommended that wherever possible the closer be ordered handed.
• Finish: Aluminum 689

Additional Information

Additional Information

Manufacturer Norton Door Controls
Model 78B/D-RA-LH-689
Size Spring Size 2 thru 4
Mounting Hinge Pull Side, Hinge Push Side
Hand Left Hand - LH
U.L. Listed UL Listed, This includes compliance to UL10C for 3-hour assemblies
Compliances These closers are also listed by the New York City Materials and Equipment Acceptance Division
ANSI/BHMA ANSI/BHMA A156.4 Grade 3
Warranty Limited ten-year warranty for defects and life of the building on the aluminum housing
Weight 12.0000

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