| •主要零部件材质Material of main parts | ||
| 部件 Part No. | 名称Name | 材料•Material |
| A | 主阀 Main ball | 铸铁、球铁 Cast iron, Ductile iron |
| B | 球阀Ball | 黄铜Brass |
| C | 排气阀 Exhaust valve | 黄铜Brass |
| D | 球阀Ball | 黄铜Brass |
| G | 过滤器Filter | 黄铜Brass |
| H | 节流孔板 Reducing orifice | 不锈钢 Stainless steel |
| I | 节流阀 Throttle valve | 黄铜、不锈钢 Brass, stainless steel |
| E1 | 球阀Ball | 黄铜Brass |
| S | 球阀装置 Ball valve device | 黄铜Brass |
| 垂直安装弹簧组件(选配) Vertical installation spring assembly (oplicmal) | 不锈钢 Stainless steel | |
