Description
Quick release valves vent the brake chambers straight to atmosphere instead of returning the air along the line to the brake valve. The shorter exhaust path releases the brakes faster, which matters most on long-wheelbase vehicles and trailers.
Key data for this version: supply 22 X 1.5, delivery 4 X 16 X 1.5, exhaust 22 X 1.5. The Buyukdemir reference is 4-4750.
It belongs to the Four Way Quick Release Valve / Vierwege Schnellentlüftungsventil range in the Buyukdemir catalogue.
It cross-refers to the original equipment numbers 973 500 038 0.
This is the 4 X 16 X 1.5 version; the nearest sizes in the same range are with adaptor 4 X 22 X 1.5 (4-4760).
Manufactured by Büyükdemir Otomotiv in Istanbul, Türkiye, a producer of compressed-air brake and pneumatic components for trucks and trailers since 1957.
