The service life of the pipeline equipment is not clearly defined. According to years of experience in the production of pipeline equipment, pipeline equipment life is generally 5 to 7 years.

         Because the assembly line equipment used to 5 years or so, many parts are in the case of long-term operation will occur in the case of aging, once the problem will need to overhaul, overhaul, although cheaper than the new equipment, but after the overhaul can not guarantee the equipment can How long. May be used for a year or so there will be problems, when the time is to repair or new it, so many customers in the measurement, decided to purchase a new assembly line equipment.