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| Area of a circle = π d2 4 |
Where d is the diameter |
| Pump Input Power [kW] = Pressure [bar] x Flow [lpm] 600 x Efficiency (%) |
| CONVERSION FACTORS |
Length |
|
|
|
|
|
Inch |
25.4 |
Millimetre (mm) |
Foot |
0.3048 |
Metres (m) |
Yards |
0.9144 |
Metres (m) |
Miles |
1.61 |
Kilometres (km) |
|
|
|
Mass (Weight) |
|
|
Multiply |
by |
To get |
Ounce |
28.35 |
grams |
Pound |
0.454 |
Kilograms (kg) |
Tons (Long) 2240 lb |
1,016.05 |
Kilograms (kg) |
Tons (Short) 2000lb |
907.18 |
Kilograms (kg) |
Tonne |
1000 |
Kilograms (kg) |
|
|
|
Volume |
|
|
Multiply |
by |
To get |
Gallon (Imp.) |
4.55 |
Litres (l) |
Gallon (US) |
3.785 |
Litres (l) |
Cubic Inch |
16.38 |
Cubic centimetre (cc) |
Cubic Inch |
16.38 |
Millilitre (mm) |
Cubic Foot |
0.0283 |
Cubic metres (m3 ) |
Cubic Foot |
28.3 |
Litres (l) |
|
|
|
Pressure |
|
|
Multiply |
by |
To get |
lbs/sq.in. (psi) |
0.069 |
Bar |
lbs/sq.in. (psi) |
6.9 |
kiloPascals (kpa) |
Atmosphere (atm) |
1.013 |
Bar |
Kg/sq.cm |
98.1 |
kiloPascals (kpa) |
Bar |
100 |
kiloPascals (kpa) |
megaPascal (MPa) |
10 |
Bar |
inch mercury (Hg) |
3.387 |
kiloPascals (kpa) |
Foot water (H2O) |
2.99 |
kiloPascals (kpa) |
|
|
|
Power and Torque |
|
|
Multiply |
by |
To get |
Horsepower (hp) |
0.7457 |
Kilowatts (kW) |
Foot lbs (lbf/ft) |
1.356 |
Newton meters (Nm) |
Foot lbs (lbf/ft) |
0.113 |
Newton meters (Nm) |
|
|
|
Flow |
|
|
Multiply |
by |
To get |
gal/min (Imp) |
4.55 |
Litres/min (lpm) |
gal/min (US) |
3.785 |
Litres/min (lpm) |
std.cu.ft./min (air) |
0.472 |
Litres/sec (l/sec) |
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| DISPLACEMENT OF GEAR PUMP - Using the Gear size |
| DISPLACEMENT OF GEAR PUMP - Using the Housing size |
| © 2006 Hydraulic Solution |