- Author
- Wellen, T.
- Title
- Back Flow Devices,Forward Flow Tests 18.
- Journal
- Sprinkler Age, Vol. 25, No. 10, 18-20, October 2006
- Keywords
- backflow | water supply | fire protection | standards | NFPA 13 | NFPA 25 | sprinkler systems | installing | inspection | maintenance deivces | water flow
- Identifiers
- backflow prevention devices or backflow preventers