
The AirTAC ACQD Double Acting Compact Cylinder ACQD12X20B is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø12mm bore and 20mm 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 ACQD12X20B is a double-acting JIS compact cylinder featuring twin Ø6 mm rods exiting both ends. Because a rod occupies each chamber, the annular area is identical in both directions, generating equal push and pull forces of 42.4 N at 0.5 MPa and 59.4 N at 0.7 MPa. The male M5x0.8 rod-end threads couple directly to tooling, while the M5x0.8 port supplies air.
Dual rods prevent platform rotation and extend guide length without needing an external anti-rotation guide. The compact C-clip body includes fixed TPU bumpers at each end for end-of-stroke deceleration rather than adjustable air cushions. Sensor grooves are built into the body, though this specific unit ships without a magnet.
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD12X20B |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø12 mm |
| Stroke | 20 mm |
| Acting type | Double acting, double rod |
| Port size | M5×0.8 |
| Rod end thread | M3×0.5 female / M5×0.8 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 50 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 | 42 N | 42 N |
| 0.7 MPa | 59 N | 59 N |
| Max (@1.0 MPa) | 9 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. |
|---|---|
| 12 | Bore size in mm. |
| ×20 | 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 small electronic component pusher where the second rod prevents plate rotation during the transfer cycle.
Handles light pick-and-place duties on a packaging line, using the equal annular force to ensure consistent bidirectional motion.
Powers a tiny clamping fixture on a PCB tester, using the opposing rod end to trigger a solid-state sensor flag.
At 0.5 MPa this 12 mm bore provides 42.4 N of force both ways; stepping up to the 16 mm bore yields 75.4 N, while smaller options are unavailable in this series. Choose a single-rod ACQ if your application only needs one direction of force, or a guided TACQ cylinder for heavier lateral loads. When ordering, confirm the 20 mm stroke, male M5x0.8 rod thread, and M5x0.8 port.
Quick checklist
Push and pull forces are equal due to the double-rod design: 42.4 N at 0.5 MPa and 59.4 N at 0.7 MPa, with a maximum force of 9 kgf at 1.0 MPa. The maximum standard stroke for a 12 mm bore is 50 mm. It features a male M5x0.8 piston rod thread and an M5x0.8 air port.
It uses fixed TPU bumpers at both ends for impact deceleration instead of adjustable air cushions. A plain double-rod cylinder does not hold position if air pressure is lost; for fail-safe load holding, you must add an external rod lock or pilot-operated check valve.
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