1.Main features:Lift to Lock; 2.Helical Shaft Design; 3.Sensitive Edge Design ; 4.Emergency release

NR300 Pneumatic Rotary Door for tour and intercity Coaches.and the system mainly

consist of  rotary actuator, shaft assembly, and door panel assembly.

The main parameters of NR300 bus passenger door system

Maximum torque in locked position (@90 psi)	122 ft-lbs
Recommended door shaft rotation	90 degree
Operating temperature	-30°C to 80°C
Envelope size	5.51”w x 12.50”d x 4.53”h
Operating pressure	90-125 psi
Locking mechanism	Local wedge lock
Door closing time	3-5 seconds
Door opening time	3-5 seconds

1. The NR300 Actuator provides rotary motion and the “Lift-to-Latch” features

2. The plug door panel can be specifically designed to match full bus design.  It is

made in light weigh and high strength alloy aluminum, which is free of maintenance.

3. We have past ISO 9001-2000 certifications and ISO/TS16949:2000 certifications.

NR300 Pneumatic Rotary bus Door System for Coaches