Description
Double check valves take air from whichever of two lines is at the higher pressure and pass it on, closing off the other. This is how a circuit can be fed from either the service line or a secondary supply without the two lines feeding back into each other.
Key data for this version: size / thread 76 mm · M22 X 1.5. The Buyukdemir reference is 4-4800.
It belongs to the Double Check Valve · Check Valve · Stopcock · Four-way Cock range in the Buyukdemir catalogue.
It cross-refers to the original equipment numbers AE 4105, 1517988, 1355348, 5010038414, 4457865, 42105552, 434 208 021 0, 434 208 029 0, 000 429 30 44, 000 429 00 47, 001 429 24 44.
The same part is made in other version options: Double Check Valve, 76 mm · M16 X 1.5 (4-4801), Double Check Valve, R 3/8" (4-4802), Double Check Valve, 84 mm · M22 X 1.5 (4-4803), Double Check Valve, 100 mm · M22 X 1.5 (4-4810), Check Valve / Rückschlagventil, M22 X 1.5 (4-4850).
Manufactured by Büyükdemir Otomotiv in Istanbul, Türkiye, a producer of compressed-air brake and pneumatic components for trucks and trailers since 1957.
