Rolling-stock compressors
Compressors and compressor units for railway rolling stock.
Compressor output (capacity)
Compressor output and parameters at rated speed across the working-pressure range per DSTU GOST 10393:2013 (clause 7.3).
Compressed-air outlet temperature
Compressed-air temperature at the aftercooler outlet per DSTU GOST 10393:2013 — thermal-mode control.
Hydraulic resistance of the air-purification unit
Hydraulic resistance of the compressed-air purification unit per DSTU GOST 10393:2013 (clause 7.6).
Safety-valve set pressure
Compressor safety-valve set-pressure check per DSTU GOST 10393:2013 (clause 7.2) — pneumatic-system safety control.
Operability at extreme temperatures
Compressor operability at extreme ambient temperatures (with and without drive) per DSTU GOST 10393:2013 (clause 7.3).
Vibration and acoustic characteristics
Vibration characteristics per DSTU GOST ISO 10816-1 and acoustic characteristics (noise level) per DSTU EN ISO 3744:2016.
Contaminants in compressed air
Maximum size and mass concentration of solid particles and oil mass concentration in compressed air at the purification-unit outlet per DSTU GOST 10393:2013 (clause 7.7).