Pressure vessel piggy tank usage is very wide.It's very important equipment in petroleum chemical industry, energy industry, scientific research and military industry, etc. Every part of the national economy plays an important role in . Pressure vessel piggy bank generally consists of cylinder, head, flange, sealing element, opening and took over, bearing and so on six big parts container body. In addition, also equipped with a safety device, the meter and the internal parts of different production process effect. due to Pressure tank easy explosion, burning a fire and endanger the safety of the personnel, equipment and property and environmental pollution accident.every countries look as a important inspection the product around the world, by the specialized agencies designated by the state, for the supervision and inspection in accordance with the laws and regulations and standards prescribed by the state and technical inspection.
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