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Dorma

dorma door opener closers concealed and hydraulic
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Dorma

Door Closers

Dorma-Door Closers-TS77 Suite Entrance Door Closer-RTS88 Overhead Concealed Door Closer-7400 Series Hydraulic Surface Applied Rack and Pinion Closer

TS77 SUITE ENTRANCE DOOR CLOSER
- The low cost solution for suite entrance & low traffic doors.
- Non-handed.
- Quick and easy to install.
- Mounts without a mounting backplate.
- Compact design.
- Inexpensive, proven reliability.
- Stocked in aluminum.

RTS88 OVERHEAD CONCEALED DOOR CLOSER
- Concealed Body Only, Non-Hold Open
- Side Load Arm - End Load Arm - Side Load Arm
- For wood, aluminum, or hollow metal doors.
- Single and double-acting non hold open with latch & sweep valves with pressure relief valve.
- Fits into a 1-3/4" x 4" header.
- 105º maximum opening door swing.
- For doors up to 250 pounds with a maximum 3'-6" width exterior, & 4’ interior.
- Arm must be purchased seperately - it is not included with the body only package.
- 8831 Side Load Arm - Requires 1/2” top rail channel depth.
- 8836 End Load Arm - Requires 7/8” top rail channel depth.

7400 SERIES HYDRAULIC SURFACE APPLIED RACK AND PINION CLOSER
- It meets 5 lbs interior barrier-free applications.
- Non-handed for regular, top jamb and parallel arm applications.
- ANSI A156.4 Grade 1.
- UL & cUL listed for UL10C and UBC 7.2 for positive pressure.
- Two noncritical adjusting valves (sweep and latch) with thermostatic properties work to provide consistent closing speeds under a wide variety of temperatures.
- Adjustable backcheck standard. Provides cushioning when the door is abusively opened.
- BP640C mounting bracket can be used when installing into a 9-1/16” template åhole pattern.


Dorma

Floor Closers & Door Holders

Dorma-Floor Closers and Door Holders-BTS80 Floor Closer-Electromagnetic Door Holder

BTS80 FLOOR CLOSER
- Replacement body is 13-7/16"L x 2-3/8"D.
- Cover not included.
- Mechanical backcheck at approximately 70º.
- Selectable delayed action between 175º and 75º.
- Delayed action is functional when hold open is not engaged.
- Selectable multipoint hold open between approximately 75º and 175º.
- Adjustment for hold open between 75º and 105º.
- Accommodates doors weighing up to 660 pounds and 4'-6" wide interior and 4'-0" exterior.
- Closer adjustment in cement case provides lateral and longitudinal adjustment of BTS80 1/4" and height adjustment of 5/32".
- Long Catch or Short Catch.

ELECTROMAGNETIC DOOR HOLDER
- Dual voltage capability reduces stocking requirements.
- Low current draw allows savings on power supplies and backup batteries.
- Optional extension rods fit on standard catch plate to accommodate deeper door to wall conditions.
- Low residual magnetism allows easy release of door.
- All electrical values +10% to –15%.
- Floor & wall mounted styles.
- Can be manually pulled from hold open position.
- Silent operation.
- Holding force 15–25 lbs nominal.
- Can be manually pulled from hold open position with 25-40 maximum hold open force.
- Voltage: 24 VAC/DC or 120 VAC.
- Amps: .015.
- Meets ADA requirements with minimal spring force door closers.
- ANSI A156.15 Grade 1.
- UL and cUL listed.
- Finish: Satin chrome.

EM504
- Semi flush wall mount.
- Overall projection: 3-1/2”.

EM508
- Surface wall mount.
- Overall projection: 4-1/16”.