The Selection Principle Of The Valve Blank And The Blank And Machining Allowance
Commonly used blanks for machining include castings, forgings, profiles and welded parts. Different...
Read MoreCommonly used blanks for machining include castings, forgings, profiles and welded parts. Different...
Read More1. The working principle is different. Copper ball valve: The ball valve is mainly used to cut off...
Read Morevalve leakage, the proportion of the packing is the largest Causes of leakage: 1. Wrong selection o...
Read MoreFound in 1993, Zhejiang Longda Water Technology Co.,Ltd is a professional valve manufacturer. Loca...
Read MoreFound in 1993, Zhejiang Longda Water Technology Co.,Ltd is a professional valve manufacturer. Loca...
Read MoreFound in 1993, Zhejiang Longda Water Technology Co.,Ltd is a professional valve manufacturer. Loca...
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