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 R 3/8". The Buyukdemir reference is 4-4802.
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 434 208 025 0.
The same part is made in other version options: Double Check Valve / Zweiwegeventil (4-4800), Double Check Valve (4-4801), Double Check Valve (4-4803), Double Check Valve (4-4810), Check Valve / Rückschlagventil (4-4850).
Manufactured by Büyükdemir Otomotiv in Istanbul, Türkiye, a producer of compressed-air brake and pneumatic components for trucks and trailers since 1957.
