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Addressing common technical and operational questions regarding valve selection, installation, and maintenance
Date: 2026-03-23Views: 181
国家标准 GB/T 12237《石油、石化及相关工业用钢制球阀》 中规定,球阀阀杆应设计成在介质压力作用下,拆下阀杆密封填料时(如拆下填料压盖),阀杆也不致于冲出阀体的结构。
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