This Code applies to the facilities, technology and inspection for manufacturing of vaporizers for high-pressure gases in conformity to High-Pressure Gas Safety Control Act (hereinafter referred to as “the Act”), Article 3, Clause 5 (hereinafter referred to as “vaporizers”). However, this Code does not apply to vaporizers for vehicles, direct-fired vaporizers and pressure vessels for heat exchange (installed in high-pressure gas manufacturing installations).