
The AirTAC Airtac ACQD Double Acting Compact Cylinder ACQD80X45S is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø80mm bore and 45mm 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 ACQD80X45S is a double-acting JIS compact cylinder where a rod protrudes from both ends. Because the piston sees annular area on both sides, push and pull forces are identical at 2267.8N (0.5MPa) and 3175N (0.7MPa). This symmetry is ideal for applications needing identical bidirectional power. The twin rods inherently resist rotation and provide a long guide length, allowing you to mount a heavy tool platform directly without adding a separate external guide rail.
Built with a fixed NBR elastomer bumper at each end, it handles end-of-stroke impact without needing adjustable cushions. The S option includes a piston magnet for position sensing via reed or solid-state switches in the body grooves. Operating at 0.15-1.0MPa with a PT3/8 port and 25mm rods, it achieves speeds of 30-500mm/s. Note that a plain cylinder drifts if air pressure is lost; use an external rod lock for fail-safe holding.
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD80X45S |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 45 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.
| 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.
| ACQD | JIS compact double-acting DOUBLE-ROD cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×45 | 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 heavy stamping or machining fixture on a machining center, using the dual rods to maintain strict parallelism and resist torsional deflection during the metalworking cycle.
Shifts heavy palletized components between processing stations in a bottling plant, utilizing the equal push and pull forces to maintain consistent cycle times in both directions.
Powers a multi-head packaging machine where one rod end drives the primary sealing jaw while the opposite end mounts a sensor flag to confirm jaw position for the PLC.
At 0.5MPa, this 80mm bore generates 2267.8N of equal bidirectional force. If your load requires less power, dropping to a 63mm bore yields 1401.5N, whereas stepping up to a 100mm bore provides 3524.8N for heavier demands. Choose a single-rod ACQ if you only need unidirectional push force and want a lighter footprint. The twin-rod design here is optimal when you need to prevent platform rotation or mount a secondary load on the opposite rod end. When ordering, confirm the 45mm stroke, the PT3/8 port, and the female M16x2.0 rod-end threading.
Quick checklist
It delivers an equal push and pull force of 2267.8N at 0.5MPa and 3175N at 0.7MPa, with a maximum holding capacity of 463kgf at 1.0MPa. Push equals pull because the rod occupies both chambers, creating identical annular areas. The standard stroke limit for this 80mm bore is 100mm, and this specific model has a 45mm stroke.
The twin rods prevent rotation and extend the guide length without needing an external guide. The -S option provides a magnet compatible with reed or solid-state switches fitted into the body grooves. Impact at stroke ends is absorbed by fixed NBR elastomer bumpers, not adjustable air cushions, so add an external shock absorber for high-energy loads.
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