PK-5.25; PK-3.5 (OJSC “PTMZ”)

Description

Reciprocating two-stage compressors, with V-shaped arrangement of cylinders, with air cooling and intermediate cooling of compressed air in a tubular cooler, PK-5.25 – six-cylinder, PK-3.5 – four-cylinder.

Purpose: diesel locomotives, machinery of industrial and construction industries. Rings made of special wear-resistant cast iron obtained by directional solidification (NCLN: freezing). Restoration of compressor cylinders by inserting and boring liners to the nominal ring size.

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