Swagelok® Hydrogen FK Check Valve for Hydrogen Applications
Designed for use in hydrogen refueling station applications, this check valve delivers unidirectional flow and highly reliable shut-off of small-molecule gases.
Get Help Selecting Hydrogen ValvesThe Swagelok® hydrogen FK check valve for refueling station applications delivers unidirectional flow and highly reliable shut-off of small-molecule gases. When the differential drops below the cracking pressure, the check valve prevents reverse flow.
Specifications
| Body Materials | 316/316L duel certified material with 12% min Ni |
| End Connections | Swagelok® FK series medium-pressure tube fitting |
| Working Pressures | Up to 1050 bar (15 229 psig) |
| Temperature Range | –40° to 85°C (–40° to 185°F) |
| Fixed Cracking Pressure | < 2 bar (29 psig) |
| Body Seal | 1.25 × pressure rating |
| Seat Seal | 1 × pressure rating |
Tube Fittings Comparison (FK Series)
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