oxygen compatible seats for check valves & tee filters

[Mark Redmon]

Hello,
Parker offers many seat material options for their check valves and tee micron filters. What material is recommended for 3000psi oxygen?
I know buna and neoprene are definitely out.
Thanks,
Mark

 

[rjack321]

teflon or viton are commonly available O2 compatible check valve materials.

 

[Zodiacdiverdave]

Fluorcarbon, Parkers name for viton.
ZDD