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Qualitydoor.com > Closers > Door Closers > Norton 1601 Series Door Closers

Norton 1601 Series Door Closers

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SKU: 1601-689

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Norton 1600BC/1601 Series Catalog

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NORTON 1601 Series
Door Closers

Non-handed
Rack-and-pinion design
Cast aluminum body
1⅜" diameter piston
⅝" diameter pinion journals
Standard, separate and independent, latch, sweep and backcheck intensity valves
2⅞" projection
Sex nuts included with closer

Closer bodies are constructed of a special aluminum alloy, carefully selected to accommodate interaction with steel components and operating conditions.

Rack & Pinion Operation provides a smooth constant control of the door through its full opening and closing cycle. 180° door swing can be achieved when door, frame, hardware and arm function do not limit door swing.

Hold Open Option
Achieved by means of friction or ball and detent/roller. Friction hold open has a range of 90° to 180° using template location and mechanical adjustment. Ball and detent or roller hold open is effective in a range of 85° to 110°. Hold open arm door closers are not permitted to be used on fire door assemblies.

Adjustable Delayed Action Closing (Optional)
An optional hydraulic feature, available in lieu of backcheck, adds a third speed range to the closing cycle. This feature becomes effective when the door is opened and released at any point beyond 70°. The amount of time delay depends upon the combination of the angle of door release and valve adjustment. The valve can be adjusted with a 1/8" (3mm) hex key from no delay time up to maximum delay times of:

Door Opened and Released at	Approximate Time of Delay Cycle
180°	4-5 minutes
120°	2-3 minutes
90°	25-30 seconds

Templates:

Norton 1600BC/1601 Series Catalog

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