Norton Rixson UNI-7500 33-41 Door Closer with Unitrol arm

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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, 5 Degree prior to the door's dead stop. Coupled with thedoor

closer's backcheck feature, this arm provides the mostcontrolled stop available with a surface door closer.

Door Width: 33" -41"

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Features**

Non-handed

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

Standard, separate and independent, latch, sweep andbackcheck intensity valvesBackcheck positioning valve

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

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

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

*Adjustable BackcheckPosition Valve:*Allows the door opening position, wherebackcheck cushioning begins, to be adjustedto a greater door angle, up to a maximumof 20 farther (approximately 95 Degree ).

Molded plastic cover

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

Self-drilling screws

Full-size template

10-year limited warranty

Model: Norton Rixson, UNI7500, UNI7500H, UNI-7500, UNI-7500H, UNI7500689, UNI7500H689, 689, Siver Aluminum Painted

Aluminum Alloy Housing:Closer bodies are constructed of a special aluminum alloy, carefully selected to accommodate interactive steel components and operating conditions.

Rack & Pinion Operation:Provides a smooth constant control ofthe door through its full opening andclosing cycle. 180 Degree door swing can beachieved when door, frame, hardwareand arm function do not interfere.

*Closer Fluid:*NorGlidecloser fluid is a speciallyformulated multi-viscosity hydraulic fluidthat contains lubricity and anti-oxidationagents that provide optimum performanceand efficiency. This fluid complements theinteraction of the door closer's aluminumhousing with its steel and brass components,while maintaining stable viscosity to allowthe door closer to perform in temperaturesranging from extremely high to as low as-40 Degree F.

Complicance Standards

The series 7500 door closers are designed to comply with requirements of the Americans with Disabilities Act (A.D.A.) and

ANSI standard A117.1. All series 7500 door closers are ANSI/BHMA A156.4 Grade 1 certified. AllNortonseries

7500 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 also listed by the New York City Materials and Equipment Acceptance Division.

Related Categories

• Norton Rixson Door Closers