Yale 3501 DL

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Yale 3501 DL Full Cover Delayed Action Door Closer

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Yale 3501 DL Full Cover Delayed Action Door Closer
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Price: $394.63 USD
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Product Description:

Yale 3501 DL Full Cover Delayed Action Door Closer

Installation Instruction Templates

Product Brochure

Installation Instructions Templates Product Brochure

Yale’s 3000 Series Architectural Door Closers offer the perfect combination
of reliability, appearance and durability in today’s market. With features such
as staked valves, self-drilling/self-tapping screws, rack and pinion design and
precise valve adjustment, and a complete range of arm and cover options, the
Yale® 3000 can meet virtually any application challenge.
Series 3301/3501 Multi-Sized Door Closer
Adjustable through the power range of sizes 1 through 6, as outlined in ANSI specification A156.4.

Adjustable Delayed Action Closing
An optional hydraulic feature that 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:
Pressure Relief Safety Valve
The delayed action hydraulic system contains a pressure relief valve. Any time the door is forced toward the closed direction while it is in the closing cycle, the valve will open and permit the door to close. This prevents damage to door, frame and
closer.

Suggested Applications
Delayed Action closing allows slowmoving traffic to clear the opening before the door closer’s normal closing cycle begins. This feature can be helpful in health care facilities such as hospitals and nursing homes. It provides sufficient time for persons on crutches or in wheelchairs to pass through a door without concern of it closing. At the same time, it can accommodate the facility's staff with movement of food service carts, beds, and other wheeled traffic.
Use of delayed action closers on many doors throughout industrial and commercial buildings can also assist the flow of traffic. Locations where additional time to clear the opening is advantageous are doors between office and factory/ warehouse facilities, doors tom workshops or laboratories, kitchens and food processing areas.
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