Degreasing valve steps required and inspection

1, the cleaning steps: valve components must be processed before the assembly process: 1) According to the processing requirements, some parts need to be polished, the surface can not have burrs, etc .; 2) All parts are degreased; 3) After degreasing passivation pickling (cleaning agent does not

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All-weather fire retardant valve principle

Breathing valve is a kind of safety valve, it is fixed on the top of the tank ventilation device to ensure the normal pressure tank internal state, to prevent overpressure or super vacuum tank, the tank suffered damage, it can also reduce the liquid Volatile loss, this valve is usually used with fla

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In May, the domestic truck market runs steadily

In May, among the main varieties of trucks, compared with April, the production of semi-trailer tractors slightly increased, the sales volume declined slightly, and the production and sales of other varieties all declined to varying degrees, among which truck non-integrated vehicles ranked the top

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Domestic heavy truck brand lightweight car models

High oil prices and toll-by-weight fees have made truck users pay more attention to the cost of vehicles. The concept of lightweight has also been mentioned by more and more people. Heavy-duty truck manufacturers have also made lightweighting a magic weapon for them to seize the market. CNHTC is l

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