Is the Pressure relief valve kit 5067-6857 reusable or single use?

I was installing a prep system and installed the pressure relief valve after the flow cell. I then had a splitter for ELSD and G1364E FRC after that. At some flows the back pressure was high enough that the PRV would open, but it looks like it recloses if the back pressure is low enough again. Is there good documentation on this PRV and how it works, and confirmation that it is reuseable unlike the old style PRV for G4212A/B?

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