Overview
Features
- Exceeds 25 million cycles
- Certified ANSI/BHMA A156.4 Grade 1
- UL 10C listed for positive pressure fire test
- UL / cUL Listed for use on fire rated doors
- 30-year limited warranty
- Self sticking templates supplied for most applications
- Adjustable spring power allows 281 closers a size range of 1 through 6
- Meets ADA requirements in all applications
- High impact non-corrosive plastic covers with two machine screws
- All weather fluid allows closer to operate effectively in extreme temperatures without readjustment
- 1-1/2" diameter piston for superior door control
- Standard pressure relief valves for both opening and closing cycles protect the door & frame from damage caused by abuse
- Heat treated full rack and pinion for high strength & wear resistance
- Heavy duty one piece cast iron body provides superior strength and wear resistance
- 1/2" arm engagement over a 7/16" square spindle ensures a wear-resistant tight joint
Specifications
Standard Application
- Forged Steel Arm 11-1/4" (286mm) long
- Non-handed
- Permits 120° door opening with standard mounting
- Permits 180° door opening with alternate mounting or corner bracket
Top Jamb Application
- Forged Steel Arm 11-1/4" (286mm) long
- For reveals up to 2" (51mm)
- Non-handed
- Permits 180° door opening
Product Identifiers
,TB281OBSP
Technical Documents
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