主要零部件材質Material of main parts |
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序號No. |
名稱Item |
材質 Material |
標準Symbol |
1 |
閥體 Body |
鑄鐵 Cast iron |
GG25 |
球鐵 Ductile iron |
GGG40 |
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碳鋼 Carbon steel |
GE280 |
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不銹鋼 Stainless steel |
1.4408/1.4308 |
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2 |
閥板 Disc |
碳鋼 Carbon steel |
GE280 |
不銹鋼 Stainless steel |
1.4408/1.4308 |
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3 |
軸 Shaft |
不銹鋼 Stainless steel |
1.4301/1,4401/1.4406 |
合金Alloy |
2.4360 |
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4 |
閥座 Seat |
聚四氟乙烯PTFE |
-15-205P |
四氟乙烯PFA |
-40-200°C |
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5 |
軸套 Bushing |
聚四氟乙烯PTFE |
|
青銅Bronze |