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| UL Listed,1 Million Cycles In Endurance Are Guaranteed, 5 Years Warrant.·Universal Application, Designed For All Standard Installation.·Power Size Range:1~5 In Various Coser Body.·Two Separte Valves For Close & Latch Speed Adjustment.·Optional Back Check Function.·Optional Built-In HOLD Open type:501D,502D,503D·High Quality Hydraulic Fluid, Low Freezing-point,Door Closer Operates Smoothly Form Temperature Of -30°C To 40°C.Feature:·Dual Valve, Closting And Latching Speed Controlled By Two Separate Requlating Valves.·Universal Applicatin:Standard, Top-Jamb, Parallel Arm Installations.·Standard Packing no include Parallel Arm Bracket. The bracket be provided upon request.·Reionforced Type Adjustable Tube Arm.·Rack and Pinion Operation Contained in a High Tensile Precision Cast aluminum Housing For The Highest Quality.·High Quality Hydraulic Fluid for High Lubricity and Constant lubrication.·Optional Back Check (503BC,504BC,505BC), Controlled by Separate Regulating Value.·Finish Selection:Silver(Alum), Bronze(Duro),Gold. Any Other Finishes Is available Upon Request.Classification & Glossary·502:Size 2.·502D:Size2,Built in HOLD Open type·503BC:Size 3,Back Check.Optional Items:·C:Decorative P.V.C Cover for 502,503,504 type,Steel Cover for 502 type only.·P:Parallel Arm Bracket.·BC:Back Check | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Door closer Door lock Applicable Doors with 25-45kg