Airtac ACQD Double Acting Compact Cylinder ACQD80X250SB
The AirTAC Airtac ACQD Double Acting Compact Cylinder ACQD80X250SB 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 ACQD80X250SB
The AirTAC ACQD80X250SB is a double-acting JIS compact cylinder featuring twin rods that exit from both body ends. Because a rod occupies each chamber, the annular areas match, generating an identical 2267.8 N push and pull force at 0.5 MPa. This symmetric thrust is ideal for regulated cycling, and the dual shafts inherently resist rotation while extending guide length. It includes a male M22x1.5 rod end and a built-in magnet.
This 80mm bore variant supplies 3175 N of thrust both directions at 0.7 MPa, reaching a maximum 463 kgf at 1.0 MPa. It uses PT3/8 ports and fixed NBR elastomer bumpers at the end caps to soften impact, rather than adjustable air cushions. The 250mm stroke is a made-to-order long-stroke configuration exceeding the 100mm standard maximum for this bore size.
Airtac ACQD Double Acting Compact Cylinder ACQD80X250SB Technical Specifications
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD80X250SB |
|---|---|
| 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 ACQD80X250SB
| 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 ACQD80X250SB Is Used
Symmetric Transfer Shuttle
Drives a dual-station transfer shuttle in packaging machinery, utilizing the equal push and pull forces to maintain consistent timing in both directions.
Twin-Guided Pusher
Actuates a heavy-duty pusher on a CNC machining line, relying on the twin rods to resist torsional load and prevent binding over the 250mm travel.
Dual-End Actuation
Powers a clamping mechanism in an automotive assembly press where the second rod end mounts a sensor flag for external position verification.
Is the Airtac ACQD Double Acting Compact Cylinder ACQD80X250SB the Right Cylinder?
When sizing this actuator, consider the adjacent bores: the 63mm variant yields 1401.5 N at 0.5 MPa, while the 100mm variant provides 3524.8 N. Choose this 80mm model for applications demanding 2267.8 N of symmetrical force. If your mechanism only needs unidirectional thrust, a single-rod ACQ might suffice. For multi-axis stability without an external guide, this twin-rod layout is optimal. Confirm the 250mm stroke requirement, the M22x1.5 male thread, and the PT3/8 porting before 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 ACQD80X250SB FAQ
The push and pull forces are equal due to the twin-rod annular design: 2267.8 N at 0.5 MPa and 3175 N at 0.7 MPa, with a maximum of 463 kgf at 1.0 MPa. The 250mm stroke is a made-to-order long-stroke version, as the standard maximum for an 80mm bore is 100mm.
It uses fixed NBR elastomer bumpers at both ends to absorb impact, not adjustable air cushions. A plain ACQD does not hold its load if air pressure is lost; for fail-safe positioning, you must install an external rod lock or pilot-operated check valve.
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