home > Products > Instrumentation Process Valves > Check Valves - FDE40 Series > FDE-40A Standard Adjustable Cracking Pressure
- Tube Fitting
| Body Material | Connection Type | Connection Size |
| Brass | Let-Lok® Tube Fitting | 1/4″ |
| Stainless Steel 316 | One-Lok® Tube Fitting | 6mm |
| 8mm |