Calculators

Pneumatic / hydraulic pre-calc tools. Results are theoretical; verify for critical use. We are not liable for the results.

Air
Theoretical estimate only; friction, leakage and safety factor are not included. We are not liable for incorrect inputs or results.

Force Calculation

Push/pull force from bore, rod and pressure.

mm
mm
bar
Push
0 kg
0 N
Pull
0 kg
0 N
F = P × A · A = π·(D/2)²

Theoretical estimate only; friction, leakage and safety factor are not included. We are not liable for incorrect inputs or results.

Flow Calculation

Extend/retract flow from cylinder area and piston speed.

mm
mm
cm/sn
bar
Flow (extend)
0 cc/sn
0 L/dk
Flow (retract)
0 cc/sn
0 L/dk
Q = A × v

Theoretical estimate only; friction, leakage and safety factor are not included. We are not liable for incorrect inputs or results.

Air Consumption

Free-air use per cycle and per minute (Nl/min) for a double-acting cylinder.

mm
mm
mm
bar
CPM
Free air / cycle
—
Consumption
—
—
+25% margin
—
For leaks / dead volume
Q = (A1+A2)·s·n·(P+1.013)/1.013

Theoretical estimate only; friction, leakage and safety factor are not included. We are not liable for incorrect inputs or results.

Pipe Diameter

Suggested inner diameter from flow; for air also estimated pressure drop (ΔP) with line length.

L/dk
m
bar
m/s
m/s
Suction ID
0 mm
—
Pressure ID
0 mm
—
Recommended ID
—
Estimated dP
—
d = √(4Q / πv) · ΔP ≈ λ(L/D)(ρv²/2)

Theoretical estimate only; friction, leakage and safety factor are not included. We are not liable for incorrect inputs or results.

Air Tank Volume

Receiver volume to limit pressure drop under surge demand.

Nl/dk
bar
bar
s
Required volume
—
Commercial pick
—
Nearest standard tank
V = Q·(t/60) / (Pmax−Pmin)

Theoretical estimate only; friction, leakage and safety factor are not included. We are not liable for incorrect inputs or results.

Motor Power

Pump/motor power estimate from pressure, flow and efficiency.

bar
L/dk
%
Power
0 kW
0 HP
Note
Leave margin for pump losses
P = p·Q / (600·η)

Theoretical estimate only; friction, leakage and safety factor are not included. We are not liable for incorrect inputs or results.

Cylinder (Piston)

Force in tons from pressure/bore + stroke volume.

mm
mm
bar
mm
Push
0 ton
0 kN
Pull
0 ton
0 kN
Stroke volume
0 L
retract: 0 L
F = P × A · V = A × s

Theoretical estimate only; friction, leakage and safety factor are not included. We are not liable for incorrect inputs or results.

Model selection tools

Detailed selection for KOBA, IZMAC, Ultrafilter, API and Ordel.

KOBA Shock Absorber

Pre-selection by mass and velocity

IZMAC Shock Absorber

IZMAC series pre-selection

Ultrafilter Filter

Housing and element suggestion

API Pneumatics

Pneumatic cylinders, valves and accessories page

Ordel Model Selection

Controller, pressure, level and sensor pre-selection

Model Selection API Pneumatics Contact