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Safety Valve 4-4920

Relief Valve 4-4821
Safety Valve 4-4921 1934559 (Scania)

Opening Pressure: 14,3 Bar

Original Ref. BD Ref.
1512030 (Scania) 4-4920
932 510 955 2
434 612 100 0
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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: description Opening pressure 13 bar. The Buyukdemir reference is 4-4920.

It cross-refers to the original equipment numbers 1512030, 932 510 955 2, 434 612 100 0.

This is the Opening pressure 13 bar version; the nearest sizes in the same range are Opening pressure 13 bar (4-4921), Opening pressure 16 bar · M22x1,5 (4-4930).

Manufactured by Büyükdemir Otomotiv in Istanbul, Türkiye, a producer of compressed-air brake and pneumatic components for trucks and trailers since 1957.