Cng cylinder testing certificate online 2025

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CNG fuel tanks have a useful life of 15 to 20 years, depending on their construction and how they were certified by the original manufacturer. Because there is no way to safely requalify tanks for extended use, once a tank reaches its expiration date, it must be replaced.
CNG TANK TESTING Pneumatic pressure cycling (up to 25 MPa) Ambient temperature pressure cycling (up to 140 MPa) Hydrostatic burst testing (up to 280 MPa), with the capability to capture with a high-speed camera (on request) Extreme temperature pressure cycling (up to 105 MPa from -50C to +100C, air and fluid).
All cylinders have serial numbers, DOT specifications, and hydrostatic testing date(s) stamped into the metal that should be reviewed and followed. Under DOT regulations, compressed air cylinders must be tested every 3, 5, 10, or in exceptional cases, 12 years.
Performed every 36 months / 36,000 miles or after an accident or vehicle fire, the inspection requires trained professionals to visually inspect the CNG fuel system to ensure there arent any leaks, damage, and deterioration.
The Cylinder Testing Lab offers the following capabilities: Pneumatic pressure cycling (up to 25 MPa) Ambient temperature pressure cycling (up to 140 MPa) Hydrostatic burst testing (up to 280 MPa), with the capability to capture with a high-speed camera (on request)
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People also ask

Hydro testing of CNG cylinder needs to be done after every 3 year.
Hydro Testing which is also known as Hydrostatic Testing is a non-destructive test procedure to examine cylinders for leaks, structural flaws, durability, and corrosion. Cylinders structure integrity is also checked in the following process.
Compressed Natural Gas (CNG) quality testing. Intertek laboratories routinely test natural gas and other hydrocarbons for fuel quality parameters, along with chemical and contamination trace analysis, on a regular basis.

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