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•主要零部件材质Material of main parts |
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部件 Part No. |
名称Name |
材料 Material |
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A |
主阀 Mainball |
铸铁、球铁 Cast iron, Ductile iron |
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B |
球阀Ball |
黄铜Brass |
|
B1 |
球阀Ball |
黄铜Brass |
|
C |
排气阀 Exhaust valve |
黄铜Brass |
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D |
止回阀 |
黄铜Brass |
|
G |
过濾器Filter |
黄铜Brass |
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E |
节流阀 Throttle valve |
黄铜Brass |
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垂直安装弹簧组件(选配) Vertical installation spring assembly (optional) |
不锈钢 Stainless steel |
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