
The AirTAC Airtac ACQD Double Acting Compact Cylinder ACQD100X90S is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø100mm bore and 90mm 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 ACQD100X90S is a double-acting JIS compact cylinder where a 32mm piston rod exits both ends. Because a rod occupies each chamber, the annular area is identical in both directions, yielding equal push and pull forces of 3524.8N at 0.5MPa and 4934.8N at 0.7MPa. This symmetry is ideal for applications requiring identical bi-directional thrust. The twin rods also provide a longer guide length and resist rotation without needing an external non-rotating guide.
This 100mm bore unit features a 90mm stroke and a built-in piston magnet (-S) for position sensing. The magnet works with reed or electronic solid-state switches fitted into the body grooves. Fixed NBR elastomer bumpers at both ends absorb end-of-stroke impact. The female M20x2.5 rod-end threads and PT3/8 ports handle substantial pneumatic flow, operating between 0.15-1.0MPa.
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD100X90S |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø100 mm |
| Stroke | 90 mm |
| Acting type | Double acting, double rod |
| Port size | PT3/8 |
| Rod end thread | M20×2.5 female / M26×1.5 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 | 3525 N | 3525 N |
| 0.7 MPa | 4935 N | 4935 N |
| Max (@1.0 MPa) | 719 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. |
|---|---|
| 100 | Bore size in mm. |
| ×90 | 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 large packaging platform back and forth with identical 4934.8N force in both directions, ensuring consistent cycle times on a corrugator line.
Lifts and lowers a heavy machining fixture using the dual rods to prevent torsional deflection without installing a separate external linear guide.
Uses the second protruding rod end to trigger a mechanical flag on an automotive assembly press while the primary end moves the main workpiece.
Selecting this 100mm bore provides 3524.8N of thrust both ways at 0.5MPa. Stepping down to an 80mm bore drops the force to 2267.8N, while moving up to a 125mm bore increases it to 5733.8N. If your mechanism only requires high force in one direction, a single-rod ACQ cylinder offers a more compact footprint. For loads needing heavy lateral support beyond the twin rods, a guided TACQ series might be a better fit. To order, confirm the 90mm stroke, the -S magnet, and the default female M20x2.5 rod threads.
Quick checklist
It generates equal push and pull forces of 3524.8N at 0.5MPa and 4934.8N at 0.7MPa, with a maximum capacity of 719kgf at 1.0MPa. Push and pull are equal because the double-rod design creates the same annular area in both chambers. The maximum standard stroke for a 100mm bore is 100mm.
The twin rods exiting both ends resist rotation and provide a longer guide length, eliminating the need for an external anti-rotation guide. End-of-stroke energy is absorbed by fixed NBR elastomer bumpers, not adjustable air cushions. The built-in magnet (-S) allows you to use reed or electronic solid-state switches for positioning.
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