How To Inspect Gas Cylinders For Oil To Gas Vehicles

The advantages of replacing oil with gas in automobiles

① Save fuel costs

② Environmental protection: This is also the main reason why oil to gas conversion is increasingly recognized by people.

Wrong understanding of oil to gas conversion

One investment in oil to gas conversion benefits lifelong benefits. The most commonly used automotive gas cylinder currently is a metal inner liner with a fiber ring wrapped around a gas plate, in addition to some steel cylinders.

The inspection and testing of the entire gas cylinder includes 12 major items and 23 minor items. The inspection process includes disassembly, residual gas treatment, external testing, valve unloading, cleaning, non-destructive testing, water pressure testing, valve installation, etc. It takes about 5 hours to complete the inspection of a single gas cylinder. Natural gas is a flammable and explosive gas, so when a vehicle undergoes gas modification, it is necessary to regularly inspect and protect the gas cylinders.

There are four main reasons for the scrapping of natural gas cylinders: third level damage to the winding layer, damage to the intermediate thread, failure to pass the water pressure test, and exceeding the service life. During the use of gas cylinders, car owners place sharp objects in the trunk to scratch the wrapping layer. In addition, improper installation of gas cylinders in vehicles can cause wear and tear on the cylinders and brackets, which is also an important reason for cylinder scrapping. According to national regulations, steel cylinders in operating vehicles with a service life exceeding 5 years should be scrapped according to standard requirements.                                      

Knowledge of cylinder maintenance

Many car owners are not familiar with the knowledge of car maintenance after the "oil to gas" conversion; The majority of "oil to gas" users have little knowledge about the basic use of gas cylinders, mainly because they find it troublesome. Some users even do not know the inspection cycle and scrapping time of gas cylinders.

The safety hazards of gas cylinders are mostly caused by improper use. The strength of safety awareness of gas owners is the key to ensuring the safe use of gas cylinders, and adopting the correct usage method is the basic guarantee of gas cylinder safety.

Do not keep the gas cylinder in a high-temperature environment above 60 degrees Celsius for a long time, especially for car owners who place the cylinder on the body of the vehicle and install an iron protective box. They should also pay attention not to expose the vehicle to direct sunlight in summer, not to use it in high static electricity environments, to avoid collisions with the gas cylinder, and to avoid contact with chemicals. At the same time, vehicle gas cylinders should be promptly maintained and regularly inspected at the modification factory where the contract is signed to ensure the safety of users and others' lives and property.

Daily and regular inspections are important

Before starting the vehicle, the owner should check the gas cylinder, especially in winter when the vehicle is not used for a long time, and turn off the safety valve of the gas cylinder. The regular inspection cycle shall not exceed 3 years. The first and second inspections of steel cylinders shall be conducted every 3 years, and after the second inspection, they shall be conducted every 2 years; The inspection of taxi cylinders is conducted every two years, and the validity period of the second inspection is one year. Taxi cylinders with a service life exceeding 5 years and other vehicle steel plates with a service life exceeding 10 years will not be inspected after registration and will be treated as scrap.

Kind reminder

When converting oil to gas, do not seek cheap prices and install or use scrapped gas cylinders without authorization. This not only poses a safety hazard to oneself, but also affects the safety of others. Scrapped gas cylinders should be subjected to destructive treatment by the gas cylinder inspection unit, and gas cylinder users and individuals are not allowed to dispose of them on their own. It is prohibited to hand over scrapped gas cylinders that have not undergone destructive treatment to others for use.

 Refer to : https://medium.com/@binw122656/what-is-a-cng-cylinder-and-how-does-it-work-af915194f470

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