Description
The governor watches reservoir pressure and switches the compressor between loading and idling. It cuts the compressor out at the top pressure and brings it back in when the pressure falls, so the system stays inside its working band without the compressor running against a full tank.
Key data for this version: cut-out pressure 7,35 bar. The Buyukdemir reference is 4-7001.
It belongs to the Combined Unloader / Druckregler range in the Buyukdemir catalogue.
It cross-refers to the original equipment numbers 975 300 111 0, 001 431 41 06, DR 3100, 0 481 039 102, DR 3201, 0 481 039 222, DR 3205.
This is the 7,35 bar version; the nearest sizes in the same range are 7,3 bar (4-7052), 8,1 bar (4-7000), 8,1 bar (4-7050), 8,1 bar (4-7051), 9,00 bar (4-7002).
Manufactured by Büyükdemir Otomotiv in Istanbul, Türkiye, a producer of compressed-air brake and pneumatic components for trucks and trailers since 1957.
