Eight structural features of valve sleeve sewage valve

1. The valve sleeve type sewage valve adopts double seal (hard and soft seal) to make the seal reliable, and the hard alloy cover can be more resistant to airflow erosion and wear. The double seal can achieve zero leakage under high pressure gas medium conditions. Long service life of the

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"Food Testing Laboratory Open Day" kicks off in Beijing

On September 9, the "Food Testing Laboratory Open Day" event kicked off in Beijing. Nine food technology organizations in Beijing were open to the community. More than 100 representatives of the business community, representatives of inspection agencies, teacher representatives,

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