Properties Data Inner Diameter [mm] 20

WABCO : 4410320720

KNORR BREMSE : II33164X00

Compact design

Pulleys: with belt pulley - Belt Pulley Ø: 55

EBS EKWA.30 REPAIR KIT RELAY EMERGENCY VALVE Brake Bleeding Tools Properties Data Inner Diameter [mm]On some trucks & trailers, the distance from the brake chambers to the foot valve is too far to cause immediate application of the brake when the foot valve is depressed. This is called brake lag. To correct this situation, a relay valve is installed near the rear brake chambers. A large diameter pipe is connected between the service reservoir and relay valve. The air line from the foot valve to the relay valve now becomes a control line that signals