Airtac ACQD Double Acting Compact Cylinder ACQD50X90S
The AirTAC Airtac ACQD Double Acting Compact Cylinder ACQD50X90S is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø50mm 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.
- BoreØ50 mm
- Stroke90 mm
- Port sizePT1/4
- Acting typeDouble acting, double rod
- Rod threadM10×1.5 (F) / M18×1.5 (B)
- CushionBumper (both ends)
About the Airtac ACQD Double Acting Compact Cylinder ACQD50X90S
The AirTAC ACQD50X90S is a double-acting JIS compact cylinder featuring twin Ø20mm rods 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 824.6N at 0.5MPa and 1154.5N at 0.7MPa. The dual-rod architecture inherently resists rotation and extends guide length, supporting a tool platform without needing a separate external guide.
This 50mm bore unit integrates a fixed NBR elastomer bumper at each end for end-of-stroke deceleration rather than an adjustable air cushion. The included -S piston magnet pairs with reed or electronic solid-state switches via the body's sensor grooves. Standard PT1/4 ports and a 90mm stroke make it suitable for symmetric transfer tasks where space is tight but force remains critical.
Airtac ACQD Double Acting Compact Cylinder ACQD50X90S Technical Specifications
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD50X90S |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 90 mm |
| Acting type | Double acting, double rod |
| Port size | PT1/4 |
| Rod end thread | M10×1.5 female / M18×1.5 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.
Theoretical Output Force (Ø50mm — equal both ways)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 825 N | 825 N |
| 0.7 MPa | 1155 N | 1155 N |
| Max (@1.0 MPa) | 168 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.
Model Code: Airtac ACQD Double Acting Compact Cylinder ACQD50X90S
| ACQD | JIS compact double-acting DOUBLE-ROD cylinder series. |
|---|---|
| 50 | 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).
Where the Airtac ACQD Double Acting Compact Cylinder ACQD50X90S Is Used
Symmetric Transfer Arms
Drives dual-sided pick-and-place arms in packaging lines, using the second rod end to mirror a secondary gripper load.
Twin-Guided Pusher
Pushes workpieces into a CNC fixture without twisting, relying on the twin rods to resist rotational torque.
Dual-Station Actuation
Actuates two separate pneumatic clamps simultaneously on an automated assembly machine using both rod ends.
Is the Airtac ACQD Double Acting Compact Cylinder ACQD50X90S the Right Cylinder?
Providing 824.6N at 0.5MPa, this 50mm bore sits between the 40mm (527.8N) and 63mm (1401.5N) variants; choose the 50mm when your load requires roughly 84kgf of symmetric force. The 90mm stroke is standard for this bore, which caps at 100mm. If your application needs greater lateral load support or a non-rotating guide over a longer span, a guided TACQ cylinder might be a better fit. Confirm you need the default female M10x1.5 rod-end thread and specify PT1/4 porting when ordering.
Quick checklist
- ✓ Equal force both ways at your pressure
- ✓ Anti-rotation needed (twin rods)?
- ✓ Both rod ends usable for tooling?
- ✓ Magnet (S) for sensors?
- ✓ Female (blank) or male (B) rod thread
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Both rods share the load — keep force concentric.
- check Twin rods resist rotation but avoid heavy side load.
- check Handle the C-clip carefully; seat it fully in its groove.
- check Installation by qualified personnel per AirTAC docs.
Airtac ACQD Double Acting Compact Cylinder ACQD50X90S FAQ
It delivers equal push and pull forces of 824.6N at 0.5MPa and 1154.5N at 0.7MPa, with a maximum of 168kgf at 1.0MPa. Push equals pull because the twin rods create the same annular area in both chambers. The standard stroke limit for this 50mm bore is 100mm, and operating pressure is 0.15-1.0MPa.
No, a plain ACQD does not hold position on air loss; the fixed NBR bumper only decelerates near stroke end. For fail-safe load holding, you must add an external rod lock or a pilot-operated check valve. The -S magnet works with reed or electronic switches for position sensing.
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