
The AirTAC Airtac ACQD Double Acting Compact Cylinder ACQD50X80S is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø50mm bore and 80mm stroke. The twin rods resist rotation and give equal push and pull force, so it carries and guides a tool platform without a separate anti-rotation guide.
The AirTAC ACQD50X80S is a double-acting JIS compact cylinder where a Ø20mm piston rod protrudes from both ends. Because a rod occupies each chamber, the annular area is identical in both directions, yielding equal push and pull forces of 824.6N at 0.5MPa and 1154.5N at 0.7MPa. This symmetry is ideal for applications requiring consistent power on extension and retraction.
The twin rods provide extended guide length and high torsional resistance, allowing you to mount a tool platform directly without needing an external anti-rotation guide. The second rod end can drive a sensor flag or a secondary load. This 80mm stroke unit features a PT1/4 port, fixed NBR elastomer bumpers at both ends for end-of-stroke deceleration, and an internal magnet for position sensing.
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD50X80S |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 80 mm |
| Acting type | Double acting, double rod |
| Port size | PT1/4 |
| Rod end thread | M10×1.5 female / M18×1.5 male (B) |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Bumper (both ends) |
| Max standard stroke | Up to 100 mm |
Specifications follow the official AirTAC ACQD datasheet. A rod exits both ends, so both directions use the same annular area. Confirm against the product label before installation.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 825 N | 825 N |
| 0.7 MPa | 1155 N | 1155 N |
| Max (@1.0 MPa) | 168 kgf | |
Because a rod occupies both chambers, push and pull forces are EQUAL — the annular area applies in each direction. Actual usable force is lower due to friction; size with a safety margin.
| ACQD | JIS compact double-acting DOUBLE-ROD cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×80 | Stroke length in mm. |
| S | Built-in magnet for magnetic-switch sensing (omit = none). |
| B | Male-thread piston rod (omit = female thread). |
Thread: PT standard (G / NPT available). The twin rods resist rotation and add guiding length. Related: ACQ (single rod), ACQJ (adjustable stroke), TACQ (guided).
Drives a dual-sided pick-and-place shuttle in packaging lines where identical push and pull forces ensure stable product handover without momentum shifts.
Mounts a machining or inspection head directly to the twin rods on an automated lathe, utilizing the built-in torsional resistance to prevent platform yaw.
Powers a clamping mechanism in an electronics assembly machine, using the second protruding rod end to trigger a mechanical flag or secondary ejector.
Choosing this 50mm bore provides 824.6N of force both ways at 0.5MPa. Stepping down to a 40mm bore drops the output to 527.8N, while moving up to a 63mm bore raises it to 1401.5N. If your mechanism only requires high extension force and lower retraction force, a single-rod ACQ cylinder may suffice. For heavier lateral loads requiring independent linear guidance, a guided TACQ series might fit better. When ordering, confirm the 80mm stroke, the female M10x1.5 rod-end threads, and the -S magnet option for electronic or reed switch compatibility.
Quick checklist
It delivers equal push and pull forces of 824.6N at 0.5MPa and 1154.5N at 0.7MPa, with a maximum force of 168kgf at 1.0MPa. Push equals pull because the twin rods create the same annular area in both chambers. The maximum standard stroke available for this 50mm bore is 100mm.
It uses fixed NBR elastomer bumpers at both ends to decelerate the piston, meaning there are no adjustable air cushions. For high-speed cycles, add an external shock absorber. Note that a standard compact cylinder does not hold position on air loss; if fail-safe load holding is required, install an external rod lock or pilot-operated check valve.
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