
The AirTAC ACQD Double Acting Compact Cylinder ACQD20X20 is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø20mm 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 ACQD20X20 is a double-acting JIS compact cylinder where a 10mm rod protrudes from both ends. Because the annular area is identical on both sides, it delivers 117.8N at 0.5MPa and 164.9N at 0.7MPa of equal force in both directions. The twin rods prevent platform rotation and extend the guide length without needing a separate external guide. It uses an M5x0.8 port and a fixed TPU elastomer bumper at each end for end-of-stroke deceleration.
This 20mm bore unit travels 20mm and lacks a magnet, though the body retains sensor grooves for future reed or solid-state switches. Operating pressure spans 0.15-1.0MPa. Note that a plain ACQD does not hold position on air loss; for fail-safe holding, install an external rod lock or pilot check valve.
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD20X20 |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø20 mm |
| Stroke | 20 mm |
| Acting type | Double acting, double rod |
| Port size | M5×0.8 |
| Rod end thread | M5×0.8 female / M8×1.25 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 | 118 N | 118 N |
| 0.7 MPa | 165 N | 165 N |
| Max (@1.0 MPa) | 24 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. |
|---|---|
| 20 | 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 dual-sided pick-and-place head on a PCB conveyor where identical push and pull thrust prevents twisting on the guide rails.
Lifts a small stamping die platform in an electronics press, using the second rod end to mount a sensor flag for cycle timing.
Indexes a small tooling carriage on a packaging machine, using both rod ends to carry secondary loads without rotation.
For slightly less force, the 16mm bore yields 75.4N at 0.5MPa, while the 25mm bore provides 188.9N for heavier cycles. Choose this 20mm model when symmetric push and pull cycles are required within a 100mm maximum stroke envelope. If your application only needs standard single-direction thrust, the single-rod ACQ series is more compact. Confirm the female M5x0.8 rod-end thread, PT port form, and the absence of the -S magnet when ordering.
Quick checklist
It delivers equal push and pull force of 117.8N at 0.5MPa and 164.9N at 0.7MPa, with a maximum of 24kgf at 1.0MPa. Push and pull are equal because the twin rods occupy both chambers, making the effective annular area identical both ways. The maximum standard stroke for this 20mm bore is 100mm.
The twin rods exiting both ends resist rotation and add guide length, eliminating the need for an external anti-rotation guide in many setups. It uses fixed TPU elastomer bumpers at both ends for deceleration rather than adjustable air cushions. This specific model ships without a magnet, though the body retains grooves for adding reed or solid-state switches later.
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