home > Products > Instrumentation Process Valves > Check Valves - FDE40 Series > FDE-40 Standard Fixed Cracking Pressure
- Male to Female
| Body Material | Connection Type | Connection Size |
| Brass | Male to Female, BSPT Thread | 1/8″ |
| Stainless Steel 316 | Male to Female, NPT Thread | 1/4″ |