What is the reason that the rubber hose of the fire hose is flowing black oil?
Fire hose joints, rubber ring flow, black oil is the fire trench pipe trench connection, pay all meet the requirements, quality is not satisfied and lead to melting, is the rubber ring quality problems caused by.
This is the groove of the fire trench, the connection of the pipeline meets all the requirements and the quality is not satisfied. That is, the quality of aprons.
Fire hose fittings, rubber ring, good or bad judgement:1, the rubber ring from the work of the media to start, if the media selection is not good, but also increase the rubber ring corrosion, speed up the rubber ring damage. 2, from the seal itself quality, carefully check the appearance, and then measure the size, in general, the quality of the rubber ring life span on the president.
