Airtac ACQD Double Acting Compact Cylinder ACQD80X250B
The AirTAC Airtac ACQD Double Acting Compact Cylinder ACQD80X250B is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø80mm bore and 250mm 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.
- BoreØ80 mm
- Stroke250 mm
- Port sizePT3/8
- Acting typeDouble acting, double rod
- Rod threadM16×2.0 (F) / M22×1.5 (B)
- CushionBumper (both ends)
About the Airtac ACQD Double Acting Compact Cylinder ACQD80X250B
The ACQD80X250B is a double-acting JIS compact cylinder featuring twin Ø25mm rods exiting both ends. Because a rod occupies each chamber, the annular area is identical in both directions, yielding equal push and pull forces of 2267.8N at 0.5MPa. The extended 250mm stroke is a made-to-order long-stroke variant exceeding the 100mm standard maximum for this 80mm bore.
Twin rods provide a long guide length and high torsional resistance, allowing you to carry a tool platform without a separate external guide. This unit includes the -B male rod-end thread (M22x1.5) for direct load coupling, PT3/8 ports, and fixed NBR bumpers for end-of-stroke deceleration instead of adjustable air cushions. It ships without a sensor magnet, though the body retains standard switch grooves.
Airtac ACQD Double Acting Compact Cylinder ACQD80X250B Technical Specifications
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD80X250B |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 250 mm |
| Acting type | Double acting, double rod |
| Port size | PT3/8 |
| Rod end thread | M16×2.0 female / M22×1.5 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 (Ø80mm — equal both ways)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | 3175 N |
| Max (@1.0 MPa) | 463 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 ACQD80X250B
| ACQD | JIS compact double-acting DOUBLE-ROD cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×250 | 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 ACQD80X250B Is Used
Symmetric Transfer Conveyor
Drives a dual-sided pusher on a packaging conveyor, using the second rod end to move a mirrored flag for a reed or solid-state sensor.
Twin-Guided Press Tool
Carries a small stamping platform on a metal forming press, relying on the twin rods to resist torsion without adding an external guide rail.
Dual-Station Actuator
Actuates two clamps simultaneously on an automotive assembly line fixture, using the equal push and pull force to secure parts symmetrically.
Is the Airtac ACQD Double Acting Compact Cylinder ACQD80X250B the Right Cylinder?
When sizing this 80mm bore, the 63mm option provides 1401.5N and the 100mm yields 3524.8N at 0.5MPa, both with equal push and pull forces. If your layout only needs a single rod and standard stroke under 100mm, the ACQ series is more compact. For heavy lateral loads without a separate guide, a guided TACQ cylinder is preferable. Confirm the 250mm long-stroke requirement, PT3/8 porting, and M22x1.5 male thread 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 ACQD80X250B FAQ
This 80mm bore cylinder provides equal push and pull forces of 2267.8N at 0.5MPa and 3175N at 0.7MPa, with a maximum of 463kgf at 1.0MPa. The 250mm stroke is a made-to-order long-stroke variant, as the standard maximum for this bore is 100mm.
No, a plain ACQD does not hold its load on air loss. The rod drifts, and the fixed NBR bumper only decelerates near the stroke end. For a fail-safe hold, you must add an external rod lock or pilot-operated check valve.
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