Norton Rixson UNI-8501 Multi-Sized Door Closer with Unitrol arm

Features

Can be used for either parallel arm or top jambapplications.Unitrolarms combine the features of a double lever arm overhead door stop/holder with the backcheck feature of the door closer to reduce door stopping shock loads to a minimum. TheUnitroluses a compression springbuffer at the soffit plate/arm shoe that will absorb 30 lbf. offorce, 5prior to the doors dead stop. Coupled with thedoor closers backcheck feature, this arm provides the mostcontrolled stop available with a surface door closer.

Features

Non-handed UNI-*8501*

shipped with full plastic cover

Power Size:Multi-Sized Door Closer Adjustable through the power range of sizes 1 through 6.**

Standard, separate and independent, latch, sweep andbackcheck intensity valves.

Sweep Speed:Allows adjustment of door speed from the door's full open position down to approximately 10from the closed position.

*Latch Speed:*Allows adjustment of door speed from approximately 10down to the doors fully closed position.

*Backcheck:*Provides control of the door in the opening cycle, beginning at approximately 75of door opening. It slows/cushions the door opening, when the door is forcibly opened beyond its pre-adjusted opening speed limits.

Molded plastic cover

All standard arm applications allow doors to swing 180 Degree, conditions permitting

Full-size template

10-year limited warranty

Model: Norton Rixson Door Closer, UNI, 8501, 8501H, UNI8501, UNI8501H, 689, Silver Aluminum Painted, UNI8501689, UNI8501H689

**Aluminum Alloy Housing

**Closer bodies are constructed of a specialaluminum alloy, carefully selected toaccommodate interactive steelcomponents and operating conditions.

**Rack & Pinion Operation

**Provides a smooth constant control of thedoor through its full opening and closingcycle. 180 Degree door swing can be achievedwhen door, frame, hardware and armfunction do not interfere.

**Standard Molded Covers

**Molded of high-impact U.L. listed material. These covers are non-handed for allapplications.

1-1/4" (32mm) diameter piston5/8" (16mm) diameter pinion journals2-1/8" (54mm) projection (standard covers)

*Compliance Standards * Series 8301 and 8501 door closers are designed to comply with requirements of the Americans with Disabilities Act

(A.D.A.) and ANSI/BHMA standard A117.1. All series 8300/8500/8301/8501 are ANSI/BHMA A156.4, Grade 1 certified.

AllNortonseries 8300/8500/8301/8501 closers with non-hold open arms are listed by Underwriters Laboratories for labeled fire doors. This includes compliance to UL10C and UBC-72 (1997) for 3-hour assemblies. The product is manufactured in an ISO 9001 facility. These closers are listed by the New York City Materials and Equipment Acceptance Division.

Related Categories

• Norton Rixson Door Closers