Dry Pipe FDT Professional

Advanced Hydraulic Analysis & Compliance Tool

General Parameters

Affects all pressure and volume inputs/outputs.
Reference name for reports and history.
Starting supervisor air pressure.
Pressure at which Dry Valve opens.
Static/Residual water supply pressure.
Determines NFPA 13 time limits.
Speeds up air exhaust and valve trip.
Isentropic: adiabatic (fast trip). Isothermal: constant temp.
1D hydro models wave dynamics more accurately.
Calibrated matches TYCO/Tinaburri. Standard uses theoretical values.

Pipe Network

Define segments to calculate total internal volume. Nominal diameters are used.
Name Dia (in) Len (m) C Parent

Sprinklers

Open sprinklers define the discharge area. Closed ones contribute to volume.
K-Factor (Metric) Count Open? In-Rack?

Analysis History

06/05 20:01 FM Ord I (2xK5.6)
Load 32.0s
06/05 19:39 EN 12845 Test (60s limit)
Load 610.2s
06/05 19:39 TYCO Reference (Whitepaper)
Load 56.1s
06/05 19:39 FM Ord I (2xK5.6)
Load 21.1s
06/05 19:15 FM Ord I (2xK5.6)
Load 21.1s
06/05 19:14 FM Ord I (2xK5.6)
Load 21.1s
06/05 19:14 FM Light (K5.6)
Load 8.4s
06/05 19:14 FM Extra II (4xK8.0)
Load 33.7s
06/05 19:14 FM Extra I (4xK11.2)
Load 56.2s
06/05 19:14 EN 12845 Test (60s limit)
Load 70.6s
06/05 19:14 High Challenge Test
Load 59.3s
06/05 19:14 Extra I Test
Load 57.6s
06/05 19:14 Extra II Test
Load 59.3s
06/05 19:14 Ordinary II Test
Load 56.2s
06/05 19:14 Ordinary I Test
Load 56.2s
06/05 19:14 Light Hazard Test
Load 58.4s
06/05 19:14 Tinaburri Reference (Paper)
Load 85.3s
06/05 19:14 TYCO Reference (Whitepaper)
Load 56.2s