
The AirTAC Airtac ACQD Double Acting Compact Cylinder ACQD25X15B is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø25mm bore and 15mm 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 ACQD25X15B is a double-acting JIS compact cylinder featuring a 12mm piston rod extending from both ends. Because a rod occupies each chamber, the annular area is identical in both directions, yielding equal push and pull forces of 188.9N at 0.5MPa and 264.5N at 0.7MPa. This symmetric thrust is ideal for balanced transfer cycles. The twin rods also resist rotation and provide a longer guide length, allowing you to carry a small tool platform without needing an external anti-rotation guide.
This specific configuration includes the -B option, meaning the rod ends feature male M10x1.25 threads for direct load coupling. It uses an M5x0.8 PT port and fixed TPU elastomer bumpers at both ends to absorb end-of-stroke impact rather than adjustable air cushions. Although the body retains magnetic-switch grooves, this variant ships without a magnet; adding a reed or solid-state sensor requires an -S suffix model. Note that a plain cylinder drifts if air pressure is lost, so external rod locks are needed for fail-safe holding.
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD25X15B |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø25 mm |
| Stroke | 15 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. |
| ×15 | 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 transfer carriage on a packaging line where equal 264.5N push and pull forces prevent imbalanced acceleration during rapid reversals.
Lifts a small electronics tooling platform using the second rod end for a sensor flag, relying on the twin rods to prevent rotational torque without an external guide.
Indexes a small machining fixture by driving the male M10x1.25 threaded rod directly into a cam mechanism, maintaining stable guidance within a 15mm compact depth.
Select this 25mm bore if your application requires roughly 188.9N of symmetric thrust at 0.5MPa within a tight 15mm stroke. Stepping down to a 20mm bore drops the force to 117.8N, while moving up to a 32mm bore increases it to 301.6N. Choose this specific -B variant when your tooling requires male M10x1.25 rod-end mounting. If your cycle demands position feedback, select the -S option to activate the sensor grooves for reed or electronic switches. For loads needing precise non-rotational guidance over a longer span, consider a guided TACQ cylinder instead.
Quick checklist
This double-acting cylinder generates equal push and pull forces of 188.9N at 0.5MPa and 264.5N at 0.7MPa, with a maximum capacity of 39kgf at 1.0MPa. The push and pull forces are identical because the twin-rod design creates the same annular area in both chambers. The standard maximum stroke for this 25mm bore is 100mm, and this specific unit has a 15mm stroke.
The twin rods exiting both ends resist rotation and extend the guide length. It uses fixed TPU elastomer bumpers at each end rather than adjustable air cushions, so external shock absorbers are recommended for high-energy cycles. Additionally, a plain ACQ-type cylinder does not hold its load if air pressure is lost; fail-safe holding requires an external rod lock or pilot-operated check valve.
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