Production Description:

Application: The double check valve id used to alternate the direction of air flow when tow separate means of charging a line are available . The higher pressure is effective at any given time , And the charge - Over takes place at a pressure difference of 0. 2bar as a maximum value . In the main , The valve is used for the auxiliary brake for the purpose of separating the normal service brake form the auxiliary / Parking brake to prevent the addition of braking forces. The valve is mainly used as a pneumatic released valve for the spring brake cylinder of the auxiliary brake in the eventuality of a rupture of the indirect brake line , In which case it would be necessary to release the spring brake cylinder through an external source of air. Technical features: 1. Max. Operating pressure 850kPa 2. Permissible medium air 3. Temperature range - 40℃~+80℃