CLOSING MECHANISM: SOFT STOP SYSTEM
Base material: Stainless Steel.Finish: Polished.Concealed System.Heavy Duty.Patent.Min. door width: 31-1/2".Max. door width: 43-5/16".Door thickness: 1-3/4".Cycle testing: 2000,000 opening cycles.Supports strong drafts.Stainless Steel 304 plate and arm.Allows the door to be opened at a certain angle (Ajustable) max. 120º3 speed adjustment valves.Left / Right Adjustable (Non Handed)Hold-open supplied with at any angle 10º - 120ºFirst valve controls opening from 90 degrees to 10 degrees.Second valve controls closing from 10 degrees to 0 degrees.Third BC Valve provides door closers stronger grip against strong drafts to avoid injuries.