Back to Equipment
PRV-12
Pressure Relief ValveValve· Area 1 / Tank FarmOverview
ManufacturerEmerson
Installed1967-01-02
Service hours12,000
Criticality classClass A — safety/production critical
Health score88/100
What "Class A" means: this asset is classified safety/production critical based on its role — failure would trigger a shutdown or safety event. It's a static classification, not a live alarm. Current live status is reflected below in Sensor-driven recommendations and Nearby monitoring.
Scheduled maintenance
Last PM1969-09-03
Interval365d
Next PM1970-09-03 (20418d overdue)
Actuator PMR + stroke test
Nearby monitoring
- SGA-10434DS-ETank Farm A — Bay 1Mesh · HUB-BAYTOWN-01LEL 11500ppmH2S 2.1ppmCO 3.4ppmO2 20.9%vol
- SA220-4401SA-220Wellhead A — H2SWired · SCX-01 loop 1H2S 1.6ppm
- SA220-4402SA-220Wellhead B — H2S/LELWired · SCX-01 loop 2H2S 6.4ppmLEL 12%LEL
Sensor-driven repair recommendations
- P2SensorInspect valve seals — elevated H₂S nearbyElevated H₂S on Wellhead B — H2S/LEL. Bump-test detectors, then inspect PRV-12 mechanical seal / gland packing.
- P1SensorImmediate leak check — LEL alarm near PRV-12SA-220 LEL alarm on Wellhead B — H2S/LEL. Isolate PRV-12 and perform Method 21 flange/gland survey before hot-work.