PRESSURE VESSEL INSPECTION SERVICES
INSPECTION INTERVALS
External and internal periodic inspection frequencies from Table 4.1 of AS3788
More common types of pressure equipment are –
Air Receivers – External 2 years & Internal 4 years
Refrigeration Vessels – External 2 years & Internal 12 years
Accumulators – External 2 years & Internal 12 years
Above ground LPG gas vessels – External 2 years & Internal 10 years
For 2 yearly inspection certificates to remain valid, annual checking / testing of pressure relief and safety devices is required.
Under most states current safety legislation, inspection of pressure equipment is mandatory with severe fines for non-compliance.
