allowing all-around high visibility for road users

Susie lead or trailer)

295 & 800 lumen

Rated IP68

KNORR BREMSE : BS3453

EBS 23.01.4007 RELAY VALVE ( 9730030070 ) Hammers allowing all-around high visibility forOn 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