12-Year Hydrostatic Test
Every twelve years, our licensed technician will pressure-test each cylinder to make sure it can safely hold its charge, then recharge it and put it back to work.
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12-Year Hydrostatic Test
Every twelve years, our licensed technicians pressure-test each dry-chemical cylinder to confirm it can still safely contain its charge, document the result, and recharge it before it goes back into service.
What's Included
- Extinguisher emptied and fully depressurized
- Cylinder filled with water and pressurized to the test level
- Shell checked for expansion, leaks, or distortion
- Pass or fail result recorded against the unit
- Failing cylinders removed from service and replaced
- Passing units dried, recharged, and re-pressurized
- Hydrostatic test date stamped and a new tag applied
Frequently Asked Questions
Hydrostatic testing pressure-tests an extinguisher cylinder with water to confirm the shell can safely contain its charge without leaking or deforming.
Dry-chemical extinguisher cylinders require hydrostatic testing every 12 years; other agent types test on shorter intervals.
The extinguisher is emptied and depressurized, the cylinder is filled with water and pressurized to the test level, then checked for expansion, leaks, or distortion before the result is recorded.
A cylinder that fails is removed from service and replaced, since it can no longer safely hold its charge.
No, hydrostatic testing is a pickup and return, shop-based test, since it requires specialized equipment to pressure-test the cylinder.
A passing cylinder is stamped with the test date and receives a new tag before being recharged and returned to service.
Dry-chemical cylinders are on the 12-year interval; other extinguisher types such as CO2, water, and wet chemical test on shorter cycles.
Hydrostatic testing intervals are set by NFPA 10.
Yes. Since testing happens off-site, the unit is out of service during transport and testing, so many facilities arrange a replacement unit to stay covered.
Hydrostatic testing pickup and return service is provided throughout Southeast Idaho.