INTERFACE ADAPTER FOR A CONTROL VALVE AND CONTROL VALVE WITH AN INTERFACE ADAPTER

The present invention relates to an interface adapter (9) for a control valve (1) particularly of a rail car pneumatic brake system, the control valve having at least two housing compartments being in fluid communication with each other via a fluid interface (23), the interface adapter (9) comprising a fluid interface duplicate (33) for enabling fluid communication between the housing compartments through the interface adapter and a further interface (35) being in fluid communication with the fluid interface duplicate for enabling access to the fluid communication between the housing compartments from outside the housing.