Function: Pressure Safety Device Inspection and Certification
Reports to: Mechanical Integrity Engineer / Inspection Authority
Supervises: Valve technicians and test-bench personnel, as assigned
Role Purpose
Inspect, witness, and document the removal, overhaul, testing, certification, preservation, and reinstallation of pressure safety and relief valves so that each device is traceable, correctly set, leak-tight, and fit for its designated service.
Key Responsibilities
- Verify valve identification, tag number, service, set pressure, inlet/outlet data, due date, and maintenance history against the approved register and data sheet.
- Witness as-found testing and record pop/set pressure, seat leakage, blowdown, and observed condition before dismantling where practicable.
- Inspect bodies, bonnets, nozzles, discs, spindles, springs, bellows, seals, threads, flanges, and internal components for damage, wear, corrosion, or contamination.
- Review repair, machining, replacement-part, cleaning, lapping, assembly, and torque activities against approved procedures and OEM requirements.
- Confirm test bench, gauges, pressure sources, media, adapters, and measurement devices are suitable and within calibration.
- Witness final set-pressure, seat-tightness, blowdown, and functional tests and ensure results meet applicable tolerances.
- Verify sealing, tagging, paint coding, preservation, transport protection, installation orientation, isolation removal, and flange/bolt integrity.
- Review and accept test certificates, repair reports, calibration records, material/part records, and status updates in the relief-device register.
- Raise NCRs or quarantine devices with failed tests, unapproved parts, traceability gaps, or unsafe condition and escalate critical availability risks.
Qualifications and Experience
Minimum Requirements
- HND or bachelor’s degree in Mechanical, Materials, Instrumentation, or a related engineering discipline; experienced technicians may qualify with equivalent competence evidence.
- Typically 5 or more years of pressure-relief-device inspection, valve maintenance, test-bench, or mechanical-integrity experience.
- Working knowledge of valve construction, set-pressure testing, seat leakage, calibration, tagging, preservation, and certification.
- Ability to interpret data sheets, P&IDs, maintenance history, test procedures, and acceptance tolerances.
- High attention to traceability and safety-critical documentation.
Preferred Certifications and Standards Knowledge
- API 576/527 training or relevant OEM/pressure-relief-device certification is preferred.
- ASNT/ISO 9712 Level II is advantageous where NDT forms part of the inspection scope.
- Working knowledge of applicable ASME/API pressure-relief requirements, client procedures, and calibration-control standards.
Core Competencies
- Relief-device inspection and test witnessing
- Calibration and test-bench assurance
- Safety-critical traceability
- Defect recognition and disposition
- Certificate and register accuracy
Key Performance Measures
- Devices tested and returned before due date
- As-left results within approved tolerance
- Certificates and register updates accurate and complete
- Failed devices quarantined and risks escalated promptly
- Zero incorrect tagging, set pressure, or service reinstatement
Reporting and Interfaces
Internal interfaces: Operations, maintenance, mechanical integrity, instrumentation, planning, stores, HSE, and document control teams.
External interfaces: Valve workshops, OEMs, calibration providers, client inspectors, and third-party certification bodies.
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