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Recent content by doccouch
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Helium valve seal
Problem: I need to seal and then open quickly a 30 inch orfice. It is to hold 0.18 psi helium at -45 deg C with minimal leaks. My best sealing material I beleive is silicone. How could the valve best seal helium? a flat gasket design? o-ring design? other?- doccouch
- Thread
- Replies: 2
- Forum: Valve engineering
