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