This Code applies to the facilities, technology and inspection for manufacturing of gas leak alarm and shut-off systems for LP gas or city gas (gas leak alarm systems which detect leaked gas and automatically shut off gas passage, hereinafter referred to as “alarm and shut-off systems”) among gas leak automatic shut-off devices in conformity to the Enforcement Regulation of the Safety Control and Business of Liquefied Petroleum Gas Act (hereinafter referred to as “Enforcement Regulation”), Table 3, No.2 and Table 7, No.4, b.<Revised on December 10, 2015>
1. General 1
1.1 Scope 1
1.2 Validity of Code 1
1.3 Reference Codes and Standards 1
1.3.1 Inspection standard for new technology products 1
1.3.2 Manufacturing registration standard for foreign products <Newly established on August, 13, 2012> 2
1.4 Definitions 2
1.5 Application of Codes and Standards (currently not used) 3
1.6 Interim Measures <Newly established on August 19, 2011> 3
1.6.1 Interim measure for manufacturing technology standard 3
1.7 Kinds 3
2. Manufacturing Installation Standard 4
2.1 Manufacturing Facilities 4
2.2 Inspection Facilities 4
3. Manufacturing Technology Standard 6
3.1 Design (currently not used) 6
3.2 Materials 6
3.3 Thickness (currently not used) 7
3.4 Construction and Dimensions 7
3.5 Fabrication (currently not used) 8
3.6 Welding (not applicable) 8
3.7 Heat treatment (not applicable) 8
3.8 Performances 8
3.8.1 Product performance 9
3.8.1.5 Insulation resistance performance 10
3.8.2 Material performance 11
3.8.3 Operating performance 11
3.9 Marking 13
3.9.1 Product marking 13
3.9.2 Acceptance marking 14
3.9.3 Attachment of manual 14
4. Inspection Standard 15
4.1 Kinds of Inspections 15
4.1.1 Manufacturing installation inspection 15
4.1.2 Product inspection 15
4.2 Object Audit of Process Inspection 17
4.2.1 Application for audit 17
4.2.2 Audit method 18
4.2.3 Adjudication committee 19
4.3 Inspection Items 19
4.3.1 Manufacturing installation inspection 19
4.3.2 Product inspection 19
4.4 Inspection Method 22
4.4.1 Manufacturing installation inspection 22
4.4.2 Product inspection 22
4.5 Other Inspection Standards 26
4.5.1 Inspection of imported products 26
4.5.2 Partial omission of inspection 26
4.5.3 Disposal of rejected products (not applicable) 26
4.5.4 Detailed inspection standards 26
Appendix A General Standard for Operation of Quality Control System for Gas Appliance Manufacturing Plants 27
Appendix B Test Method of Leak Alarm and Shut-off Systems for Gases 32
