This Code applies to the facilities, technology and inspection for manufacturing of fully welded ball valves for underground use (fully welded ball valves for underground use for liquefied petroleum gas or city gas; hereinafter referred to as “ball valves”) among the ball valves for piping in conformity to the Enforcement Regulation of the Safety Control and Business of Liquefied Petroleum Gas Act (hereinafter referred to as the “Enforcement Regulation”), Table 3, No. 6 and Table 7, No.4-f. <Revised on December 10, 2015>
Table of Contents
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 Registration standard for manufacturing foreign products
1.4 Definitions
1.5 Application of Codes and Standards (currently not used)
1.6 Interim Measures (currently not used)
1.7 Patterns
2. Manufacturing Installation Standard
2.1 Manufacturing Facilities
2.2 Inspection Facilities
3. Manufacturing Technology Standard
3.1 Design (currently not used)
3.2 Materials
3.3 Thickness (currently not used)
3.4 Construction and Dimensions
3.5 Fabrication (currently not used)
3.6 Welding (currently not used)
3.7 Heat Treatment (currently not used)
3.8 Performance
3.8.1 Product performance
3.8.2 Material performance
3.8.3 Operating performance
3.9 Marking
3.9.1 Product marking
3.9.2 Acceptance marking
4. Inspection Standard
4.1 Kinds of Inspections
4.1.1 Manufacturing installation inspection
4.1.2 Product inspection
4.2 Object Audit of Process Inspection
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 Method
4.4.1 Manufacturing installation inspection
4.4.2 Product inspection
4.5 Other Inspection Standards
4.5.1 Inspection of imported products
4.5.2 Partial omission of inspection
4.5.3 Disposal of rejected products (not applicable)
4.5.4 Detailed inspection standards
