US
SI
Volume & Compressor Sizer
System Type
Pipe Volume length in feet
Size
Schedule / Wall
Length (ft)
Volume (gal)
Additional Fixed Volume drops, risers, trapped sections, etc.
–
Total System Volume
0 gal
Enter pipe lengths above to calculate the system capacity.
Capacity & Drainage Notes
Select a System Type for capacity and drainage requirements.
Manufacturer Options smallest model that covers the volume
Manufacturer / SeriesModelHPRatingLink
Ratings are each manufacturer's maximum dry-pipe volume filled to 40 psi in 30 minutes (NFPA 13). The model shown is the smallest in that series covering the system volume; lower pre-action set pressures allow a larger system per model.