Material
Pressure Regulator: keep or recycle?
Pressure Regulator isn't consumed by any workshop upgrade or tracked quest. It's an access or story item — keys open their matching doors and documents come up in progression, so it's worth more in your stash than in the recycler.
Used to craft amplified weapons.
Verdict (fresh account)
KEEP
Sell value: 5,000 cr
Crafting material: consumed by weapon recipes. Unlike workshop upgrades this never completes — the full checker has a toggle for it.