The minimum operating pressure of the tanks is 10 bar, the maximum operating temperature is -40°C and +100°C. For the weld points surface finish process is performed. Manufactured according to the Pressure Vessels Regulations and EN 286-3:1997 (Tanks designed for Air Brakes and Auxiliary Pneumatic Equipment used for railway vehicles) / EN EN 286-1:1998 (Pressure Vessels for general purpose) standards and certifications.