NFPA 660 Combustible dusts; replaces NFPA 61, 484, 652, 654, 655, 664
CurrentLatest edition found. Still confirm amendments with the publisher.
- Edition
- NFPA 660 2025
- Publisher
- NFPA
- Part family
- Dust collection & explosion
- Reviewed
- 23 October 2026 · source checked
Is NFPA 660 still current?
Yes. NFPA 660 2025 is the latest edition MechAtlas found (MechAtlas review: 23 October 2026). Check the publisher for amendments before you specify it.
What it covers
Combustible dusts; replaces NFPA 61, 484, 652, 654, 655, 664
Equivalent and related standards
| Standard | Relationship | Note |
|---|---|---|
| EN 14491 / 14460 / 15089 + ATEX | Similar purpose — not interchangeable without an engineering check |
“Similar” never means interchangeable without an engineering check.
Official source
MechAtlas does not reproduce standards. Check the official edition at the publisher's page for NFPA 660 or the NFPA store.
Open in MechAtlasCheck a drawing callout
Other dust collection & explosion standards
- EN 14460 / EN 15089 Current
Explosion-resistant equipment / isolation - EN 14491 Current
Dust explosion venting systems - ISO 11057 Current
Cleanable filter media test - ISO 9096 / EN 13284-1 Current
Dust measurement in ducts (high / low concentration) - NFPA 68 Current
Deflagration venting - NFPA 69 Current
Explosion prevention systems