Diaphragms / Membranen 8-1660

Normal Stroke Original Ref. BD Ref.
9” 8971204924 8-1660
8971204954

Description

The diaphragm is the working face of an air brake chamber: air pressure acts on it and pushes the rod out to apply the brake. It is a wearing part, replaced when it hardens, splits or lets the chamber leak, and it must match the chamber’s stroke class as well as its size.

Key data for this version: dimensions 9". The Buyukdemir reference is 8-1660.

It belongs to the Normal stroke range in the Buyukdemir catalogue.

It cross-refers to the original equipment numbers 897 120 492 4, 897 120 495 4.

This is the 9" version; the nearest sizes in the same range are 12" (8-1661), 14" (8-1667), 16" (8-1662), 20" (8-1663), 22" (8-1683).

Manufactured by Büyükdemir Otomotiv in Istanbul, Türkiye, a producer of compressed-air brake and pneumatic components for trucks and trailers since 1957.