Description
Safety valves blow off when reservoir pressure passes the set figure and reseat once it falls back. They are the last protection against over-pressure if the governor or the unloader fails, and they are set and sealed by the maker.
Key data for this version: opening pressure 10+1 Bar, port thread M16x1.5 + Oring. The Buyukdemir reference is 4-4900.
It cross-refers to the original equipment numbers 1517992, 3173104, 1622431, 8151922, 434 608 220 0.
This is the 10+1 Bar version; the nearest sizes in the same range are 10,7 Bar, M16x1.5 (4-4903), 13 Bar, M16x1.5 + Oring (4-4904), 14 Bar, M16x1.5 (4-4902), 14,3 Bar, M16x1.5 + Oring (4-4905), 15 + 1,5 Bar, M16x1.5 + Oring (4-4908).
Manufactured by Büyükdemir Otomotiv in Istanbul, Türkiye, a producer of compressed-air brake and pneumatic components for trucks and trailers since 1957.
