A manual drain valve is fitted to the bottom of an air reservoir and is opened by hand, by a pull ring or by pushing the stem sideways, to blow out the water that condenses out of the compressed air. Versions are listed with M22 x 1.5 and 1/2 inch BSP bodies, with and without the pressure ring and pull ring.

This category lists 7 Büyükdemir references cross-referenced against 26 original equipment numbers.

Most looked-up references in this group: Drain Valve / Entwässerungsventil 4-5200, Drain Valve 4-5201, Drain Valve / Entwasserungsventil 4-5200A, Fuel Drain Valve 2-3011, Water Drain Valve 4-5250.

Manufactured by Büyükdemir Otomotiv in Istanbul, a producer of truck and trailer air system parts since 1957.

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Drain Valve / Entwässerungsventil 4-5200

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Drain Valve / Entwasserungsventil 4-5200A

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Drain Valve / Entwasserungsventil 4-5200B

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Drain Valve / Entwasserungsventil 4-5200C

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Drain Valve 4-5201

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Fuel Drain Valve 2-3011

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Water Drain Valve 4-5250