Certification

HEI is very familiar with international certification requirements world wide, such as: "DOT" in the USA; "TUV" in Germany; "CE" in Europe; KHK in Japan; CNSCPV in China, and "Transport Canada" in Canada.

• Bare liner burst test
• Hydrostatic burst test
• Ambient cycle test
• Environmental cycle test
• Flaw test
• Impact or drop test
• Gunfire test
• Bonfire test
• Acid test
• High temp' creep test
• Gas cycling test

• Accelerated stress rupture test
• Liner material property test
• Ambient proof test
• Salt-water immersion compressive test
• Permeability test
• Oxidizing gases compatibility test
• Torque test
• Neck strength test
• Cycle stability test
• Leak before break test