Tag Archives: Flow Tests

Look to NFPA Standards for Recommended Practices Industry and nationwide hydrant flow tests can vary greatly. Most people don’t know the National Fire Protection Association (NFPA) has a “recommended practice” for conducting a flow test: NFPA 291, Recommended Practice for Fire Flow Testing and Marking of Hydrants. The 2017 edition …

Fluctuations Can Cause Problems Temperature fluctuations can wreak havoc on certain types of systems in certain configurations. The most susceptible type of system to temperature fluctuations are dry-type systems, specifically dry-type systems which utilize a direct differential style dry valve. By direct differential style dry valves, it is understood to …