双联球阀
要性能规范 Capability Criterion
| 型 号 | 公称压力PN(MPa) | 试验压力ps(MPa) | 工作温度(℃) | 适用介质 | ||
| 壳 体 | 密封(液) | 密封(气) | ||||
| SQ41F-16C | 1.6 | 2.4 | 1.76 | 0.6 | 聚四氟乙烯-20-150 加强聚四氟乙烯-20-180 金属镶嵌封位聚苯-20-250 | 水、油品等 |
| SQ41F-25C | 2.5 | 3.75 | 2.75 | |||
| SQ41F-40C | 4.0 | 6.0 | 4.4 | |||
| SQ41F-16P | 1.6 | 2.4 | 1.76 | 硝酸类 | ||
| SQ41F-25P | 2.5 | 3.75 | 2.75 | |||
| SQ41F-40P | 4.0 | 6.0 | 4.4 | |||
| SQ41F-16R | 1.6 | 2.4 | 1.76 | 醋酸类 | ||
| SQ41F-25R | 2.5 | 3.75 | 2.75 | |||
| SQ41F-40R | 4.0 | 6.0 | 4.4 | |||
重要零件材料
| 零件名称 | 阀体 | 球体、阀杆 | 密封圈 | 填料 |
| SQ41F-16C SQ41F-25C SQ41F-40C | WCB、ZG2Cr13 | 2Cr13 | 聚四氟乙烯、加强聚四氟乙烯、对位聚苯 | 聚四氟乙烯、 柔性石墨 |
| SQ41F-16P SQ41F-25P SQ41F-40P | ZG1Cr18Ni9Ti | 1Cr18Ni9Ti | ||
| SQ41F-16R SQ41F-25R SQ41F-40R | ZG0Cr18Ni12Mo2Ti | 0Cr18Ni12Mo2Ti |
