... CE ,ISO certificates 2.Quality die-casting aluminum alloy 3.Different colors are customed YT-051A Door CloserTechnical Data: ModelApplicationDoor ... 40kg90°hold-open/Non hold-openCharacteristics:1,Power level:2#2,Max.door width:950mm,load bearing ≤40KG3,Double speed full- ... section control(180º-15º)door closing speed adjustable ,(180º-15º) Lock-entering speed adjustable4 ...