PDQ PowerPoint Education Closers

Surface Door Closers What is a Door Closer?  A Surface Closer is a mechanical device that is mounted to the surface of the door or frame. It closes the door after someone manually opens it, or after it was automatically opened by an electrified opener.  Door closers have internal springs and hydraulic oil with cylinders.  All door closers have valves that adjust the speed of the door closing and latching.  Surface closers can be used on any door, glass and aluminum, wood and metal doors.  Concealed Closer: A device mounted in the top of the door or header that makes use of a spring for closing, and a compression chamber from which liquid or air escapes slowly, to close a door at a controlled speed.

PDQ’s Closer Offering Currently PDQ offers 5 Surface Closers  3100 ANSI/BHMA Grade 1 all purpose closer  5100 Full Cover, ANSI Grade 1 Compliant  5300 ANSI/BHMA Grade 1 closer w/Slim Cover  5500 ANSI/BHMA Grade 1 closer w/Full Cover  7100 ANSI Grade 1 Compliant Closer Heavy Duty Cast Iron Body

Terminology

Spring Power: Mechanical pre-loading of spring in closer to adjust closing force.  On sized closers, this is preset and not adjustable; for example, size 3.  On all PDQ closers this pre-loading is adjustable based on the closer. Most can be adjusted from 1-6.

Terminology Rack and Pinion Rack & Pinion Spring adjustment

Terminology Closer Size: Closing Force  The closing force of a door is taken 30 inches from the hinge when the door is opened 1/2 to 3 inches. (Weight of door used varies with size of door closer being tested).

Terminology Closing Speed:  Sweep (swing): Controls closing of door from full open to approximately 10 degrees from closing to full closed.  Latch: Controls closing of door from approximately 10 degrees from closing to full closed  Delayed action (optional) Delays door from closing at approximately 70 degrees Back Check: Protects hardware, surrounding walls and objects without restricting the door degree of opening. Used primarily to prevent door from being slammed open due to wind

Terminology

Closer Size and Door Weights

Terminology Closer Arms  Round  Flat  Door Saver  Hold Open  Track Arm

Terminology Temperature Compensating Valves: Mechanism that adjusts for the expansion and contraction of the closer fluid resulting from temperature fluctuations. Parallel Arm Bracket: Structure which holds end of closer arm to frame or door in parallel arm applications

Basic Terms: Closers Sweep: One of two valves required to control the speed of the door. The first called Sweep or fully open to about 10 degrees SWEEP SPEED

Basic Terms: Closers Latch Speed: At the10-degree point another valve takes over to control the final speed. This is called the latch speed. When adjusting a closer, the ideal target time needed for the door to close is about six seconds. Back Check: On exterior doors a third valve, back check is needed. This valve slows the door down from opening too fast and/or hitting against a stop or wall. Delayed Action: Addition valve that delays the closer from reaching the sweep function, to allow a period of time to pass through the door. Used for entrances where more time is needed. SWEEP SPEED Sweep Speed

Features and Benefits

Retrofit Cross Reference Chart  Allows customers to install PDQ/AE Closers on existing doors with little or no prep.

Features and Benefits Non-Handed  Easily installed on left or right hand doors without cost and confusion Warranty-  All carry a 25 year limited warranty  One of the best in the industry Sex Nuts and Bolts  Included as standard bucking trend by competitors to charge as an option.

Features and Benefits Designed to fit on most door configuration Packed as tri pack for any of these door configurations

Features and Benefits Certifications  BHMA certified to A (3100, 5300, 5500)  Listed in Certified Products Directory under American Eagle.  7100 Complies with A Listed by U.L./U.L.C., complies with UL 10C and UBC 7-2 (1997) for positive pressure

Thanks for your attention! Questions or Comments

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