This code applies to facilities, technology and inspection for manufacturing of seamless cylinders (hereinafter referred to as “cylinders”) among cylinders in conformity to the High-Pressure Gas Safety Control Act (hereinafter referred to the “Act”), Article 3, Clause 2. However, disposable cylinders which are manufactured for aerosol cutting and welding and of which internal volume is not over 1 liter shall conform to KGS AC 311 (Code for Facilities, Technology and Inspection for Manufacturing of Soldered or Joined Cylinders for High-Pressure Gases). <Revised on May 15, 2009>
1. General
1.1 Scope
1.2 Validity of Code
1.3 Reference Codes and Standards
1.3.1 Inspection standard for new technology products
1.3.2 Manufacturing registration standard for foreign cylinders
1.4 Definitions
1.5 Application of Codes and Standards
2. Manufacturing Installation Standard
2.1 Manufacturing Facilities
2.2 Inspection Facilities
3. Manufacturing Technology
3.1 Design (currently not used)
3.2 Materials
3.3 Thicknes
3.4 Construction and Dimensions (currently not used)
3.5 Fabrication (currently not used)
3.6 Welding (currently not used)
3.7 Heat Treatment
3.8 Performance (currently not used)
3.9 Painting
3.9.1 Pretreatment
3.9.2 Painting method
3.10 Attachment of Safety Devices (currently not used)
3.11 Attachment of Accessories
3.12 Coloring and Marking
3.12.1 Coloring on external surface of cylinders
3.12.2 Marking of kind of gas
3.12.3 Marking of products
3.12.4 Marking of acceptance
4. Inspection Standard
4.1 Kinds of Inspections
4.1.1 Manufacturing installation inspection
4.1.2 Product inspection
4.2 Audit of Process Inspection Object
4.2.1 Application for audit
4.2.2 Audit method
4.2.3 Adjudication committee
4.3 Inspection Items
4.3.1 Manufacturing installation inspection
4.3.2 Product inspection
4.4 Inspection Methods
4.4.1 Manufacturing installation inspection
4.4.2 Product inspection
4.5 Other Inspection Standards
4.5.1 Inspection of imported goods (currently not used)
4.5.2 Partial exception from inspection
4.5.3 Disposal of rejected products
5. Re-inspection Standard (Not Applicable)
6. Other Manufacturing and Inspection Standards
6.1 Exception of Manufacturing Registration of Foreign Cylinders
Appendix A General Standard for Operation of Quality Control System for Gas Cylinder Manufacturing Plants
