AirREX air tanks are made of 2mm thick SUS 304 stainless steel, which has been certified by the Chinese Boiler Association for strength calculation testing, pressure testing, temperature testing, and hydrostatic pressure testing. In accordance with the standards of the Bureau of Standards, Metrology and Inspection of the Ministry of Economic Affairs, the Republic of China, the tanks meet the requirements of CNS 8499:2016 (Cold-rolled stainless steel plates, sheets and strips) and have obtained the CNS Certificate of Conformity.
★ leakage rate must not exceed 5 psi within 3 days ★