Safety Flash
Failure of high pressure fitting
Failure of high pressure fitting
- IMCA
- Safety Flash
- IMCA SF 12/05
- DivingInspection and MaintenancePressure Systems
- Loss of containmentMechanical failurePressure systems
- Diving operationsInspection and maintenance
- Hose
- Energy and process isolationPositive retention and reliable securingPreventive maintenance
- Marine industry
- Vessel
Summary
A half-inch high-pressure fitting failed at 200 bar during reclaimed diving-gas cleaning aboard a dive vessel. Gas escaped and the whip check failed, without injury. The flash discusses likely thread wear, uncertain whip-check positioning and rating, revised connector inspection and testing, and proposed five-year replacement of fittings subject to wear.
Classifications: Loss of containment; containment loss.
Classifications: Mechanical failure; equipment failure.
Classifications: Pressure systems; stored pressure; pressurised systems; pressurized systems.
Classifications: Diving operations; diving; commercial diving.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Hose; flexible hose.
Classifications: Energy and process isolation; isolation; energy isolation.
Classifications: Positive retention and reliable securing.
Classifications: Preventive maintenance; preventative maintenance; planned maintenance.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
A Member has reported an incident wherein a half inch HP fitting failed at 200 bar.
IMCA SF 12/05. Themes: diving, inspection and maintenance, pressure systems.