One door closer body for all applications Self sticking templates supplied for most applications Adjustable spring power allows 1431 closers a size range of 1 through 6. They are adjusted to size 3 before leaving the factory High impact non-corrosive plastic covers with two machine screws standard, metal covers and lead lined are optional 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 Retrofits existing SARGENT 1230/1231 Series Closer installations Heavy Duty Construction Heat treated full rack and pinion for high strength & wear resistance Heavy duty one piece high silicon content aluminum alloy body provides corrosion resistance, superior strength and wear resistance 1/2" arm engagement over a 7/16 square spindle ensures a wear-resistant tight joint Machine Screws and self tapping screws provided for closer and arm In addition, wood screws supplied when installed on wood doors with through bolts Separate brass low sensitivity control valves offer ability to separately regulate door speed, latching and backcheck All valves are captured to prevent accidental removal, adjustable with an 1/8" Allen wrench Adjustable backcheck protects the door and hardware from damage during the opening cycle Universal arm package provides arms and brackets to install closer in standard top jamb or parallel application Heavy duty forged steel arms are finely finished and interchangeable between SARGENT 281 and 1431, and 351 Series. Finishes: EN Sprayed Aluminum Enamel (BHMA 689), EB Sprayed Bronze Enamel to match 10B (BHMA 690), EP Sprayed Bronze Enamel to match 10 (BHMA 691) and EAB Sprayed Brass Enamel (BHMA 696)
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