2W不锈钢直动式电磁阀@德国NOOK诺克一般是用于小口径，低压力的环境，这种结构的阀门打开时，不需要要求介质的最低压力，可以零压启动，所以相比先导式电磁阀的的启动速度，会来得更快一些，特别适用于要求快速切断的场所中。
| 黄铜系列 | 常闭 | 常开 | 带塑封线圈 |
| 2W025-06 | 2W025-06K | 2W025-06S | |
| 2W025-08 | 2W025-08K | 2W025-08S | |
| 2W040-10 | 2W040-10K | 2W040-10S | |
| 2W160-10 | 2W160-10K | 2W160-10S | |
| 2W160-15 | 2W160-15K | 2W160-15S | |
| 2W200-20 | 2W200-20K | 2W200-20S | |
| 2W250-25 | 2W250-25K | 2W250-25S | |
| 2W350-35 | 2W350-35K | 2W350-35S | |
| 2W400-40 | 2W400-40K | 2W400-40S | |
| 2W500-50 | 2W500-50K | 2W500-50S | |
| 不锈钢系列 | 常闭 | 常开 | 带塑封线圈 |
| 2W025-06J | 2W025-06JK | 2W025-06JS | |
| 2W025-08J | 2W025-08JK | 2W025-08JS | |
| 2W040-10J | 2W040-10JK | 2W040-10JS | |
| 2W160-10J | 2W160-10JK | 2W160-10JS | |
| 2W160-15J | 2W160-15JK | 2W160-15JS | |
| 2W200-20J | 2W200-20JK | 2W200-20JS | |
| 2W250-25J | 2W250-25JK | 2W250-25JS | |
| 2W350-35J | 2W350-35JK | 2W350-35JS | |
| 2W400-40J | 2W400-40JK | 2W400-40JS | |
| 2W500-50J | 2W500-50JK | 2W500-50JS | |
| 不锈钢法兰系列 | 2W250-25FJ | 2W250-25FJK | 2W250-25FJS |
| 2W350-35FJ | 2W350-35FJK | 2W350-35FJS | |
| 2W400-40FJ | 2W400-40FJK | 2W400-40FJS | |
| 2W500-50FJ | 2W500-50FJK | 2W500-50FJS |
