Q341F、Q341Y 型 PN16~PN40 蜗杆传动球阀：蜗杆传动、法兰连接、浮动球直通式结构形式，阀座密封面材料为PTFE、增强 PTFE塑料（Q341F）、金属堆焊钴基（Q341Y），公称压力 PN16~PN40，阀体材料为WCB、CF8、CF8M的球阀。
| 型号 | PN | 工作压力 /MPa | 适用温度 /℃ | 适用介质 |
|---|---|---|---|---|
| Q341F-16C | 16 | 1.6 | ≤180 | 水、气、油 |
| Q341F-25 | 25 | 2.5 | ||
| Q341F-40 | 40 | 4.0 | ||
| Q341Y-16C | 16 | 1.6 | ≤425 | 水、气、油含颗粒介质 |
| Q341Y-25 | 25 | 2.5 | ||
| Q341Y-40 | 40 | 4.0 | ||
| Q341F-16P | 16 | 1.6 | ≤180 | 硝酸类 |
| Q341F-25P | 25 | 2.5 | ||
| Q341F-40P | 40 | 4.0 | ||
| Q341Y-16P | 16 | 1.6 | ≤450 | 水、气、油含颗粒介质 |
| Q341Y-25P | 25 | 2.5 | ||
| Q341Y-40P | 40 | 4.0 | ||
| Q341F-16R | 16 | 1.6 | ≤180 | 硝酸类 |
| Q341F-25R | 25 | 2.5 | ||
| Q341F-40R | 40 | 4.0 | ||
| Q341Y-16R | 16 | 1.6 | ≤450 | 水、气、油含颗粒介质 |
| Q341Y-25R | 25 | 2.5 | ||
| Q341Y-40R | 40 | 4.0 |
