Corporate Information

High Pressure Gas Certification

"3I 1C" (exemption matrix 1) certified products

What is "3I 1C"?
3IPressure test (inspection), air tightness test (inspection), thickness test (inspection)
1CMaterials regulation (confirmation)
Results of tests and certified products conducted at one time are reported to the sitting prefectural governor.
Facility Manufacturing Facility(※1)
High Pressure Gas Facility(※2) Gas Facility (Low Pressure)(※3)
Finished products and satefy inspection report Shell Test Required by Law -
Air Tightness Test Required by Law Not Required by Law
Thickness Test Required by Law -
Materials Regulation Required by Law Required by Law
Technical Test Applicable Clause
  • Article 6, Paragraph 1, items 11, 12, 13, and 14 of the General Law;
  • Article 6, Paragraph 1, Items 14, 17, 18, and 19 of the Liquefied Petroleum Law;
  • Article 5, Paragraph 1, Items 16, 17, 18, and 19 of the Combined Law.
  • Article 6, Paragraph 1, item 14 of the General Law;
  • Article 6, Paragraph 1, item 14 of the Liquefied Petroleum Law;
  • Article 5, Paragraph 1, item 1 of the Combined Law
Required classification for inspections and reports Report Required
  • Type 2 Manufacturer (Article 5, Paragraph 2 of the Act)
 -
"Manufacturing license" and "complete inspection," "safety inspection" is required
  • Article 6, Paragraph 1, item 14 of the General Law;
  • Article 6, Paragraph 1, item 1 of the Liquefied Petroleum Law;
  • Article 5, Paragraph 1, item 16 of the Combined Law.
 -
  1. Manufacturing facility.
  2. High pressure gas facilities: Passage of high pressure gas within gas facility.
  3. Gas facilities: Passage of high pressure gas or liquefied petroleum gas when high pressure gas is produced. [Definitions (Article 2 of the General Law), (Article 2 of the Supplementary Liquefied Petroleum Law) (Article 2 of the Combined Law)]

Symbol Explanation

Required by Law
Required by Law
Not Required by Law
Although not required by law, implementation is necessary for quality control.

Result of Certified Products

Certified products that have passed the necessary criteria will be:

  1. Exempt from completion and safety inspections.
  2. Assured of high quality.

By following the law and utilizing certified products where marked Required by Law will result in benefits marked (1)(2).