
The AirTAC Airtac ACQD Double Acting Compact Cylinder ACQD25X75B is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø25mm bore and 75mm 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 ACQD25X75B is a double-acting JIS compact cylinder where a piston rod protrudes from both ends. Because a rod occupies both chambers, the effective annular area is identical in each direction, yielding equal push and pull forces of 188.9N at 0.5MPa and 264.5N at 0.7MPa. The twin rods resist rotation and provide a longer guide length, allowing you to carry and guide a small tool platform without needing a separate external guide.
This specific 25mm bore variant features a 75mm stroke and ships with a male M10x1.25 rod-end thread (-B) for direct load coupling. It uses an M5x0.8 port and includes fixed elastomer TPU bumpers at both ends to decelerate impacts. While the body retains magnetic-switch grooves, this configuration omits the internal magnet. Note that a plain compact cylinder cannot hold a load if air pressure drops; an external rod lock or pilot check valve is required for fail-safe positioning.
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD25X75B |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø25 mm |
| Stroke | 75 mm |
| Acting type | Double acting, double rod |
| Port size | M5×0.8 |
| Rod end thread | M6×1.0 female / M10×1.25 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 | 189 N | 189 N |
| 0.7 MPa | 264 N | 264 N |
| Max (@1.0 MPa) | 39 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. |
|---|---|
| 25 | Bore size in mm. |
| ×75 | 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 pick-and-place shuttle where equal push and pull forces ensure identical acceleration and deceleration profiles when shifting components between two machining stations.
Mounts a small tooling plate directly to the dual rods on an assembly line, leveraging the extended guide length to prevent yaw without adding a separate external linear guide.
Uses the second protruding rod end to trigger a reed or solid-state sensor flag on a packaging machine, confirming end-of-stroke position while the primary side drives the load.
When sizing this 25mm bore, stepping down to a 20mm bore drops the equal push/pull force to 117.8N at 0.5MPa, while stepping up to a 32mm bore increases it to 301.6N at 0.5MPa. If your application only needs one-sided actuation and lower pull force is acceptable, a single-rod ACQ is more compact. If you need precise non-rotation guidance over a longer span, a guided TACQ might be a better fit. For the ACQD25X75B, confirm you need the 75mm stroke, the male M10x1.25 thread, and that your air supply is filtered to 40um and regulated between 0.15-1.0MPa.
Quick checklist
The ACQD25X75B delivers equal push and pull forces of 188.9N at 0.5MPa and 264.5N at 0.7MPa, with a maximum force of 39kgf at 1.0MPa. Push equals pull because the rod occupies both chambers, creating identical annular areas. The 25mm bore has a maximum standard stroke of 100mm, uses an M5x0.8 port, and includes a male M10x1.25 rod-end thread.
No, a plain ACQD does not hold its load on air loss or when a valve is centered; the rod will drift. The fixed TPU elastomer bumpers only decelerate the piston near the stroke ends and do not act as a brake. For fail-safe load holding, you must install an external rod lock or a pilot-operated check valve.
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