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Rotating Equipment

Rotary / Screw Compressor

Rotary positive displacement (screw / lobe / vane) compressor.

Category
Rotating Equipment
Subcategory
Compressor
Applicable standards
3
Issuing bodies
3

Description

Rotary positive displacement (screw / lobe / vane) compressor.

Applicable Standards (3)

API — 1 standard

API 619 Rotary-Type Positive-Displacement Compressors for Petroleum, Petrochemical and Natural Gas Industries
Edition: 5th Edition (2010, R2017) Region: USA, Global
Dry and oil-flooded rotary-type positive-displacement compressors (mainly screw type).
Key requirements (6)
  • Rotary positive-displacement compressors: dry-screw, oil-flooded screw, lobe.
  • Hydrotest: 1.5 × MAWP for casing and pressure parts.
  • Mechanical run test: 4-hr continuous at rated speed.
  • Performance test per ISO 1217 or ASME PTC 9.
  • Vibration per API 670.
  • Inlet pulsation analysis required when in pulsing service.

ASME — 1 standard

ASME PTC 9 Performance Test Code on Displacement Compressors
Edition: 1970 (R1997) Region: USA, Global
Performance testing of reciprocating and rotary positive-displacement compressors.

ISO — 1 standard

ISO 10440-1 Rotary-type positive-displacement compressors — Part 1: Process compressors
Edition: 2007 Region: Global
International equivalent of API 619.