The air-check valve lets air pass one way and closes against flow the other way. It sits in the line so that pressure already delivered cannot drain back when the supply falls, which is what keeps a circuit charged between compressor cycles.

This category lists 6 Büyükdemir references cross-referenced against 13 original equipment numbers. The cross-reference tables cover Iveco, Renault and Volvo parts.

Most looked-up references in this group: A.C. valve / ventil 18mm 2-2508, Adaptor with A.C. Valve + O-ring 1-1010, A.C. valve / ventil 19mm 2-2516.

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

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A.C. valve / ventil 18mm 2-2508

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A.C. valve / ventil 19mm 2-2516

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Adaptor with A.C. Valve + O-ring 1-1010

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Adaptor with A.C. Valve + O-ring 1-1012A

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Adaptor with A.C. Valve + O-ring 2-0102

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Adaptor With A.C. Valve + O-ring 2-0103