Natural gas, oil or steam suitable for valves, valve stem, respectively, what is the material?
See medium type, acid or alkaline, corrosion resistance, suitable for natural gas, oil or steam applicable valves, many kinds of ah, 2Cr13 304, 316, and so on,
If it is ball valve, ball with A105 plating ENP.Of course, all stainless steel 304316 is better, but the price is high
The valve body can be made of carbon steel, but it requires sulfur resistance. As long as the material hardness is below 22, HRC will do. Sealing parts of the sealing requirements of stainless steel, the valve stem is usually 13Cr. The disc is welded with D507, A105, D507Mo.
