... ISO 9001-2000, ISO/TS16949:2000certifications SG300 single or double Pneumatic Slide Glide Door System is mainly used as the transit ... bus entrance and exit doors.The SG300 single or double Pneumatic Slide Glide Door System consists of base-plate assembly, door ... , solenoid valve, shaft stud, and controls. All the pneumatic components have been lifecycle tested to meet heavy-duty use of ...