1.for tour and intercity coach,airport bus 2.with uperior reliability 3.very close to bus body after opening Main parameters of our NR300 Pneumatic Passenger Door: Maximum torque in locked position (@90 psi)122 ft-lbsRecommended door shaft rotation90 degreeOperating temperature-30°C to 80°CEnvelope size5.51”w x 12.50”d x 4.53”hOperating pressure90-125 psiMin-Life Cycle500,000Door closing time3-5 ...