Stuffing box pressure calculator        

Calculated Stuffing Box Pressure
BACK VANES / OPEN IMPELLER
[(Suction pressure + 25 percent of Differential Pressure = Stuffing Box Pressure]
[Discharge Pressure - Suction Pressure = Differential Pressure]

Discharge Pressure	Suction Pressure		Stuffing Box Pressure (PSI)
		=

Calculated Stuffing Box Pressure
BALANCE HOLES / CLOSED IMPELLER
[(Suction pressure + 10 percent of Differential Pressure = Stuffing Box Pressure]
[Discharge Pressure - Suction Pressure = Differential Pressure]

Discharge Pressure	Suction Pressure		Stuffing Box Pressure (PSI)
		=

Calculated Stuffing Box Pressure
DOUBLE SUCTION
[Suction Pressure = Stuffing Box Pressure]

To save this calculator to your desktop,
in your browser use "view, source - save as text" or "save as source", then use "open, file" to view off-line.