Which is good, copper wire stop valve and stainless steel wire stop valve?
Sure is stainless steel, stainless steel hardness is relatively high, the copper to brittle, corrosion-resistant stainless steel, copper exposure in the air will be oxidized, threaded stainless steel valve for high hardness wire will be overdone because of cracking
The copper cut-off valve is cracking, but the price comparison of stainless steel valve copper valve may be a cheap price, you can buy 2-3 stainless steel valve copper valve, mainly to see whether you think that if the budget is enough.
