FCW系列馈通可将液体输送到特高压系统中。虽然它们能够在低温下运行，但它们是为室温或室温以上的液体和气体使用而设计的。标准FCW馈通配有外径1.33英寸或外径2.75英寸的安装法兰。单管或双管有1/4“外径或3/8”外径，带世伟洛克™接头。
FLN Series
The FLN series feedthroughs provide for cryogenic and heated liquid transfer into UHV systems. All incorporate a thermal barrier design.
| Model | Flange OD | Number of Tubes | Tube OD |
|---|---|---|---|
| FLN-133-1 | 1.33″ OD | 1 | 1/4″ |
| FLN-133-2 | 1.33″ OD | 2 | 1/8″ |
| FLN-275-1 | 2.75″ OD | 1 | 3/8″ |
| FLN-275-2 | 2.75″ OD | 2 | 3/8″ |
