This standard covers the minimum requirements for dry and oil-flooded helical lobe rotary compressors (see Figure 1) used for vacuum or pressure or both in petroleum@ petrochemical@ and natural gas industries. It is intended for compressors that are in special-purpose applications. It does not cover general purpose air compressors@ liquid ring compressors@ and vane-type compressors. Note: Standard air compressors are covered in ISO 10440: Petroleum and natural gas industries - Rotary-Type Positive-Displacement Compressors Part 2 - Packaged air compressors (oil free).
API STD 619-2004 history
2010API STD 619-2010 Rotary-Type Positive-Displacement Compressors for Petroleum, Petrochemical and Natural Gas Industries (Fifth Edition)
2004API STD 619-2004 Rotary-Type Positive-Displacement Compressors for Petroleum@ Petrochemical@ and Natural Gas Industries (Fourth Edition)
1997API STD 619-1997 Rotary Type Positive Displacement Compressors for Petroleum@ Chemical@ and Gas Industry Services (Third Edition)
1985API STD 619-1985 Rotary-Type Positive Displacement Compressors for General Refinery Services (SECOND EDITION)