Issuing body
API
Latest edition
3rd Edition (2014, R2019)
Region
USA, Global
Equipment items
3
Scope
Centrifugal fans for refinery / petrochemical service (FCC, FD/ID, etc.).
Key requirements (8)
- Centrifugal fans for petroleum, chemical, gas industries.
- Hydrotest: not applicable (atmospheric); structural test instead.
- Mechanical run test: 4 hours minimum.
- Maximum allowable speed: 105% rated for warning, 110% for trip.
- Vibration: bearing housing typically ≤ 7.6 mm/s rms.
- Performance test per ASME PTC 11.
- Materials: CS housing, CS or SS impeller depending on service.
- Bearing L10 life: 25,000 hrs continuous typical.
Applied to 3 equipment items
Rotating Equipment
Heat Transfer Equipment