Hydraulic Engines

Professional grade web-based calculations.

# Node 1 Elev 1 (ft) K Factor Flow Pipe Type Nominal ID Fit. Eq. Len (ft) L (ft) C Factor Total (Pt) Notes
F (ft) Elev (Pe)
Node 2 Elev 2 (ft) Tot. Flow Actual ID PF (psi/ft)
T (ft) Frict (Pf)
# Node 1 Elev 1 (ft) K Factor Flow Pipe Type Nominal ID Fit. Eq. Len (ft) L (ft) C Factor Total (Pt) Eq. K-Factor Downstream
F (ft) Elev (Pe)
Node 2 Elev 2 (ft) Tot. Flow Actual ID PF (psi/ft)
T (ft) Frict (Pf)
Fitting Type 1/2"3/4"1" 1 1/4"1 1/2"2" 2 1/2"3"3 1/2" 4"5"6" 8"10"12"
Internal Diameter Multiplier
Pipe Type 1/2"3/4"1" 1 1/4"1 1/2"2" 2 1/2"3"3 1/2" 4"5"6" 8"10"12"
Water Supply Data
Static Pressure (psi)
Flow (gpm)
Residual Pressure (psi)
Outside Hose Stream (gpm)
System Demand & Margin
Sprinkler System Flow (gpm)0
Sprinkler & Hose Flow (gpm)0
Required Pressure (psi)0
Available Pressure @ Demand (psi)0
Safety Margin
Margin (psi)0
Margin (%)0
Pressure Loss in Pipes
Flow Rate (gpm) Pipe Type Pipe Size (in) ID (in) C Factor Length (ft) Loss (psi/ft) Total Loss (psi)
Optimal K-Factor (Standard Spray)
Flow Rate (gpm)Optimal K
Equivalent K-Factor
Flow Rate (gpm)Pressure (psi)Equiv K
Equivalent Length Calculator
Initial Eq. Length Pipe Type Pipe Size (in) C Factor Final Eq. Length (ft)