Safety Flash
Bailout cylinder and pillar valve compatibility failure
Bailout cylinder and pillar valve compatibility failure
- IMCA
- Safety Flash
- IMCA SF 05/17
- DivingInspection and MaintenancePressure Systems
- Mechanical failurePressure systems
- Inspection and maintenance
- Gas cylinderValve
- Competence and trainingPre-use checksPreventive maintenance
Summary
This safety flash reports bailout cylinder pillar valves failing thread gauge checks during inspection, subsequent maintenance and new-stock acceptance. It explains GO/NO-GO ring and plug gauge methods and recommends six-monthly thread checks, calibrated gauges, trained technicians and serial-number records linking valves to cylinders.
Classifications: Mechanical failure; equipment failure.
Classifications: Pressure systems; stored pressure; pressurised systems; pressurized systems.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Gas cylinder; compressed gas bottle; gas cylinders.
Classifications: Valve; valves.
Classifications: Competence and training; competency assurance; safety training.
Classifications: Pre-use checks; pre-use inspection.
Classifications: Preventive maintenance; preventative maintenance; planned maintenance.
Summary
A member has reported a near miss incident in which there were failures of pillar valves.
IMCA SF 05/17. Themes: diving, inspection and maintenance, pressure systems.