What is Hydrostatic test, and how often should it apply?
Hydrostatic Test is a pressure test that almost all cylinders and tanks must pass in order to be complied with the laws and regulations. Some Extinguisher cylinders or System Cylinders are D.O.T. (Department of Transportation) type, and some are not. If the cylinder is a D.O.T. type it must pass a Hydrostatic Test only by a company that is certified for it. Most of the Fire Extinguishers need to pass Hydrostatic Test every 12 years, or when they have an evidence of damage or corrosion. Some Fire Extinguishers must pass Hydrostatic Test every 5 years, like those filled with liquid (Water or Wet Chemical) and those installed in vehicles. (NFPA 10, 8.1., State Fire marshal, California Code of Regulation, Title 19, 575.1). Every 6 years Dry Chemical Fire Extinguisher that requires 12 year hydrostatic test should be discharged, as well as Halogenated (Halon 1211) Extinguishers, and subject to be serviced. (NFPA 10, 7.3.1.2.1, Title 19. 575.4.) http://www.osfm.fire.ca.gov/informationbulletin
Hydrostatic Test is a pressure test that almost all cylinders and tanks must pass in order to be complied with the laws and regulations. Some Extinguisher cylinders or System Cylinders are D.O.T. (Department of Transportation) type, and some are not. If the cylinder is a D.O.T. type it must pass a Hydrostatic Test only by a company that is certified for it. Most of the Fire Extinguishers need to pass Hydrostatic Test every 12 years, or when they have an evidence of damage or corrosion. Some Fire Extinguishers must pass Hydrostatic Test every 5 years, like those filled with liquid (Water or Wet Chemical) and those installed in vehicles. (NFPA 10, 8.1., State Fire marshal, California Code of Regulation, Title 19, 575.1). Every 6 years Dry Chemical Fire Extinguisher that requires 12 year hydrostatic test should be discharged, as well as Halogenated (Halon 1211) Extinguishers, and subject to be serviced. (NFPA 10, 7.3.1.2.1, Title 19.
