•Z40H—150Lb     Temp.：≤425℃
 Supply for ：Steam, water ,oil etc non corrosion medium
•Z41H 1.6C-16    Temp.：≤325℃
  Supply for ：Steam, water ,oil etc non corrosion medium
•Z41Y 1.61-161   Temp.：≤530℃                    Supply for ：Steam, water ,oil etc non corrosion medium
•Z41W 1.6P-6.4P Temp.：≤200℃
 supply for : acid , alkali
•Z41W 1.6R-6.4R Temp.：≤200℃
  supply for : acid , alkali