Moulded to last

55 kg Dimensions 270 x 34 x 50 mm Cross References VOLVO : 21343579

75 kg Dimensions 110 x 167 x 68 mm Cross References IVECO : 0024772037

WABCO : 4750150410

15" Length

EBS 23.01.3020 RELAY VALVE ( 9730010200 ) Presses Moulded to lastOn 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