4WPI-SW70003(工艺清洗AA级检查和验收标准).pdf

Authorization for this document is on file in the GEO Standards Department. All information herein is the confidential property of Air Products and Chemicals, Inc., unless another source is shown. This information is subject to return on demand and must not be disclosed or reproduced without prior written consent. ? Air Products and Chemicals, Inc., 2001 GLOBAL FABRICATION AND ERECTION SPECIFICATION



Oxygen Clean (Class AA) Inspection and Acceptance Requirements AA 4WPI-SW70003* Revision 5 November 2001 Page 1 of 3 RESPONSIBLE GROUP: Mechanical Engineering *Formerly America ACL 115F 116F, 117F 570.52, 570.53 660.503 Europe A03 Denotes Revision 1. PURPOSE 1.1 This fabrication and erection specification defines criteria for the inspection, acceptance of cleanliness and shipping preparation for piping and equipment classified as Oxygen Clean (Class AA). AA 2. SCOPE 2.1 This specification applies to cleaning of equipment, piping, components and systems designed, owned, or operated by Air Products. APCI 2.2 This specification is used along with a contract cleaning document that shows the required cleanliness level of the piping and equipment involved. 3. RELATED DOCUMENTS 3.1 Air Products Engineering Documents APCI 660.500 Pictorial Representation of Allowable Rust 670.201 Process Piping – Air Separation Units 01.20.10 Selection of Cleaning Agents and Methods for Equipment Used in Oxygen Service 3.2 American Society for Testing and Materials (ASTM) ASTM G 93 Standard Practice for Cleaning Methods and Cleanliness Levels for Material