GH109A, GH109AV GH109B, GH109BV Floorspring Maximumsingle-actionopenangleis116°,with90°auto-orientationfitting.Unorientationcanbemadeaccordingtoclients’demand. Theperpendicularandheightofthedoorcanbeadjustableby9mm.±4degreeadjustmentispossibleinzeropositionaligning. Wholehydraulicpressureindoor,twosectionspeedcontrolofclosingdoor.Theregulatingpositionis90°-25°and25°-0°. ExclusivelymeantGH109AV/GH109BV.Thistypecanoperatefrom0°to360°,especiallysuitablefordoubledoorthatisneededtoopenwider,alsosuitableforsingledoorthatcanbeopenedto180°. Holdpointsare90°and270°.Thisdoorcanstopatanypointsfrom95°to265°,whichrepresentsmorevacancypossiblyobstructedbyglassdoor. Constanttemperaturesetassuressteadyspeedofclosingunderbigdifferenceintemperature. Eingebaute inreductorcanpreventdoorfromdamageincaseofextremeexteriorpressureorstrongwind. Passed500,000times & rsquo; openingtimes & rsquo; Test.