Description
Relay valves shorten the time a brake takes to apply on a long vehicle. Instead of filling the rear brake chambers down the whole length of the line, the valve takes a signal from the brake valve and feeds the chambers from a reservoir close by.
Key data for this version: supply 22 X 1.5, cylinder 22 X 1.5, control 16 X 1.5. The Buyukdemir reference is 4-6030.
It belongs to the Relay Valve / Relaisventil range in the Buyukdemir catalogue.
It cross-refers to the original equipment numbers 973 001 210 0, 0 481 026 010, 0 481 026 021.
This is the 22 X 1.5 version; the nearest sizes in the same range are 22 X 1.5, 22 X 1.5 (4-6010), 16 X 1.5, 16 X 1.5 (4-6020), 16 X 1.5, 16 X 1.5 (4-6040).
Manufactured by Büyükdemir Otomotiv in Istanbul, Türkiye, a producer of compressed-air brake and pneumatic components for trucks and trailers since 1957.
