Category
Rotating Equipment
Subcategory
Fan / Blower
Applicable standards
3
Issuing bodies
3
Description
Centrifugal fan / blower for combustion air, flue gas, pneumatic conveying.
Applicable Standards (3)
API — 1 standard
API 673
Centrifugal Fans for Petroleum, Chemical and Gas Industry Services
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.
ASME — 1 standard
ASME PTC 11
Performance Test Code on Fans
Performance testing of industrial fans and blowers.
BIS — 1 standard
IS 4894
Centrifugal Fans
Indian centrifugal fan standard.