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Introduction
Air brake

Dual braking system of locomotives

EXhauster + comPRESSOR = EXPRESSOR

Common FEATURES OF EXPRESSOR
Reciprocating type system

Six cylinders

Air-cooled system with forced feed lubrication

Oil fill capacity

TYPES OF EXPRESSOR
6CD 4UC

6CD 3UC

3CD B

CYLINDER AND CYLINDER HEAD
The 6CD 4UC expressor consists of six cylinders (four
uncompressors).

Low pressure and high pressure cylinder.

Low pressure cylinder and exhauster has two inlet and delivery valves.