Fire Suppression, Sprinkler & Safety System Products worked example

Nozzle Count at 99% nozzle station or crew uptime: a worked example

Push nozzle station or crew uptime up to 99% and the picture changes. This example computes every intermediate figure at that operating point. Use it when planning water-mist, foam, clean-agent, dry-chemical, deluge, or special-hazard nozzle production and installation kitting.

The inputs for this scenario

  • Nozzles completed per cycle: 12 nozzles / cycle (unchanged)
  • Available nozzle build or install cycles: 40 cycles (unchanged)
  • Nozzle station or crew uptime: 99 % (raised for this scenario; the documented default is 90)
  • Accepted nozzle yield: 98 % (unchanged)

Working through the calculation

  • Applying the documented formula (Gross nozzle count = nozzles completed per cycle × available nozzle build or install cycles) to the inputs above produces each figure below.
  • At this operating point the engine returns 466 units for good output capacity, the number this scenario is built around.
  • At this operating point the engine returns 480 units for gross capacity before uptime and yield.
  • At this operating point the engine returns 4.8 units for availability loss.
  • At this operating point the engine returns 9.5 units for reject or rework allowance.

How this compares with the baseline

  • Against the tool's baseline example, where nozzle station or crew uptime sits at 90% and the headline result is 423 units, this scenario comes in 10% above the baseline at 466 units.
  • It multiplies per-cycle nozzle output by available cycles for gross capacity, then derates that by station uptime and accepted yield to give good shippable output. The value of this scenario is the size of the gap it exposes: that gap, priced out over a year, is the budget you can justify spending to close it.

Results at a glance

  • Good output capacity: 466 units (headline result)
  • Gross capacity before uptime and yield: 480 units
  • Availability loss: 4.8 units
  • Reject or rework allowance: 9.5 units

Run it with your numbers

  • Every input above is editable in the live Nozzle Count calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.