80 mm Pneumatic Cylinder: Force Chart and Air Consumption

A 80 mm bore pneumatic cylinder (≈ 3.15 in) has a Ø25 mm rod and, per the Fenitsa catalogue, pushes 301 kg and pulls 272 kg at 6 bar (87 psi). Its piston area is 50.3 cm².

Typical uses: medium pneumatic presses, pallet stops, sliding gates. Standard strokes 50–500 mm; any stroke on request up to 3,000 mm for Ø80.

80 mm Pneumatic Cylinder: Force Chart and Air Consumption

Force Chart by Pressure

Theoretical values; catalogue 6 bar figures allow for friction.

80 mm Pneumatic Cylinder: Force Chart and Air Consumption
PressurePush (N)Push (kgf)Push (lbf)Pull (kgf)
4 bar (58 psi)2,011205452185
6 bar (87 psi)3,016308678278
8 bar (116 psi)4,021410904370
10 bar (145 psi)5,0275131,130463

Catalogue at 6 bar: push 301 kg, pull 272 kg.

Air Consumption (6 bar, double stroke)

Free air in litres.

Air Consumption (6 bar, double stroke)
Stroke (mm)Air (L)
503.3
1006.6
20013.2
30019.9
50033.1

Series and Mountings in This Bore

FMY (ISO 15552, magnetic piston, adjustable cushioning), PAG-PAGY (CETOP RP 43P, aluminium body) and PNS-PNSY (CETOP RP 43P, steel body); every series also as double rod (C), tandem (T) and two-position (D). Mountings: clevis, flange, foot, trunnion, rod-end clevis and spherical eye.

Application Example

To move a 130 kg load at a 50 % load ratio (usual for moving loads), a Ø80 cylinder needs about 5.1 bar (74 psi).

Compared with Neighbouring Bores

Compared with Neighbouring Bores
BoreRodPush 6 bar (kg)Pull 6 bar (kg)
Ø63Ø20187168
Ø80 ◄Ø25301272
Ø100Ø25471441

Against Ø63, the Ø80 bore has 61 % more piston area and pushes 114 kg more at 6 bar; its pull-to-push ratio is 90 %.

Frequently Asked Questions

How much force does a 80 mm pneumatic cylinder produce?

Per the catalogue, 301 kg push and 272 kg pull at 6 bar; at 10 bar the theoretical push is 513 kgf (1,130 lbf).

What rod size does a 80 mm cylinder have?

Ø25 mm (0.98 in).

How much air does a 80 mm cylinder use?

About 6.6 litres of free air per double stroke for a 100 mm stroke at 6 bar.

What load can a Ø80 cylinder move at 6 bar?

About 155 kg as a moving load at a 50 % load ratio; for static clamping up to the catalogue 301 kg.

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