NR300 Pneumatic Bus Door Mechanism fortourandintercitycoaches.(consist of operator,shaft arm, and related accessories) ThemainparametersofNR300Pneumatic Rotary Door Mechanism: Maximumtorqueinlockedposition(@90psi) 122ft-lbs Recommendeddoorshaftrotation 90degree Operatingtemperature -30°Cto80°C Envelopesize 5.51”wx12.50”dx4.53”h Operatingpressure 90-125psi Lockingmechanism Localwedgelock Doorclosingtime 3-5seconds Dooropeningtime 3-5seconds 1.Mechanism:Auto-operation;Emergencyrelease;Sensitiveedge,“Lift-to-Latch”features 2.Theplugdoorpanelcanbespecificallydesignedtomatchfullbusdesign.Itismadeinlightweigh andhighstrengthalloyaluminum,whichisfreeofmaintenance. 3.WehavepastISO9001-2000certificationsandISO/TS16949:2000certifications