| •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 | |
