All welded pneumatic ball valve is a typical welding product. At present, some domestic manufacturers have realized the localization of all welded pneumatic ball valve through technology introduction or independent research and development, changing the situation that all welded pneumatic ball valve completely depends on imports. However, due to the impact of early use performance, it is rarely applied in key projects.

The key to avoid data degeneration of pneumatic butterfly valve
The key to avoid data deterioration is to stop checking the original inventory data, especially the Class A data, and to achieve the "ten no's", that is, no damp, no rot, no rust, no mildew, no rot, no change, no damage, no freeze, no damage, no decay.
The key to avoid the deterioration of pneumatic butterfly valve data is to continue the control of the procurement process of the original data. The key is to do the following management work well. Special consideration shall be given to the performance of Class A raw materials, packaging quality and warehouse air conditions, and appropriate stacking methods shall be adopted to achieve the purpose of flood prevention and moisture-proof. When the raw materials enter the warehouse, when they are accepted and stacked, they should stop the housekeeping control according to the classification of the raw materials and the request for maintenance, that is, they should stop regular or frequent inspection, and eliminate and dispose of hidden dangers in a timely manner.
At the same time, the standard in and out process behavior prevents the handling process from damaging the quality of the original data of the pneumatic butterfly valve. The shelves and articles in the warehouse shall be placed reasonably, the passageway shall be unobstructed, the doors and windows shall be free from damage, and the "three cleans" (air, doors and windows, shelves) shall be achieved, without sundries, dregs and dust.
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