Further details for you 
release of the passage for the compressed air to auxiliary consumers only after the calculated pressure of the brake system in the last tank has been reached.
Brand
Wabco Connection 1 – power input
M 22x1,5 Connection 2 – power output
M 22x1,5 Deposit item
no Max. operating pressure (bar)
13 Overflow pressure (bar)
6,5 Ref. no.
Wabco 434 100 126 0 Reman
no Setting range overflow pressure from (bar)
7 Setting range overflow pressure to (bar)
8 Version
without backflow Weight (kg)
0,43
