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提示信息| 结构形式：对夹式 | 类型(通道位置)：直通式 | 标准：美标 |
| 公称通径：DN40-600 | 工作温度：≤220℃ | 加工定制：是 |
| 材质：铸铁 | 流动方向：双向 | 零部件及配件：手柄 |
| 型号：D71 | 规格：DN40-600 | 连接形式：对夹 |
| 喷漆：蓝色 | 用途：截止 | 适用介质：水、蒸汽、油品等 |
| 品牌：Y/远大阀门 | 驱动方式：手动 |
Main parts and materials
NO. | PART NAME | MATERIAL |
| 1 | Body | Ductile iron |
| 2 | Seat | NBR |
| 3 | Stem | 17-4PH |
| 4 | Disc | Cast steel with nylon coated |
| 5 | Short Bushing | PTFE |
| 6 | Long Bushing | PTFE |
| 7 | O ring | NBR/EPDM |
| 8 | Half Ring | Carbon Steel |
| 9 | Gasket | Carbon Steel |
| 10 | Snap Spring | Spring Steel |
The top flange standard conforms to ISO5211
The top flange of the valves can be applied to manual,worm gear, pneumatic and electric actuator.
The dimensions of D1 and n-M are the mounting specification,which can be China standard GB,ISO standard,ANSI standard,DIN standard,JIS standard,AS standard and BS standard.
The dimensions of D1 and n-M of wafer butterfly valve can be made of UNIVERSIAL type,including all of the above mentioned standards
