Emergency brake valve system for a pneumatic brake system

An emergency brake valve system for a pneumatic brake system of a vehicle, the system comprising:

• a first valve;
• a second valve, and
• an auxiliary pressure configured to be provided via an input to the pneumatic brake system,
• wherein the first valve is configured to conduct the auxiliary pressure to and isolate the auxiliary pressure from the second valve,
• wherein the second valve is configured to provide either a static pressure or a regulated pressure depending on the auxiliary pressure,
• wherein the first valve is configured to isolate the auxiliary pressure from the second valve in regular operation so that the second valve provides the regulated pressure, and
• wherein the first valve is configured to conduct the auxiliary pressure to the second valve in emergency operation so that the second valve provides the static pressure,
• wherein the first valve is configured to further vent the auxiliary pressure present at the second valve in the emergency operation in transition to regular operation so that the second valve provides the regulated pressure.