
The AirTAC Airtac ACQD Double Acting Compact Cylinder ACQD63X300 is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø63mm bore and 300mm 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 ACQD63X300 is a double-acting JIS compact cylinder featuring twin rods that exit both ends of the body. Because a rod occupies each chamber, the annular area is identical in both directions, yielding equal push and pull forces of 1401.5N at 0.5MPa and 1962.2N at 0.7MPa. This symmetric thrust is ideal for reciprocal cycles requiring consistent power in both directions.
This 63mm bore variant utilizes a PT1/4 port and a Ø20mm piston rod with an M10x1.5 female thread end. The 300mm stroke is a made-to-order long-stroke configuration, exceeding the 100mm standard maximum for this bore. It incorporates fixed NBR elastomer bumpers at both ends for end-of-stroke deceleration rather than adjustable air cushions. The extended guide length from the dual rods provides high torsional resistance without needing an external non-rotational guide.
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD63X300 |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø63 mm |
| Stroke | 300 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.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1402 N | 1402 N |
| 0.7 MPa | 1962 N | 1962 N |
| Max (@1.0 MPa) | 286 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. |
|---|---|
| 63 | Bore size in mm. |
| ×300 | 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 dual-sided parts shuttle on an automotive assembly line, utilizing the equal push and pull thrust to maintain consistent cycle times in both directions.
Secures a heavy casting during CNC milling; the twin rods resist rotational torque and prevent workpiece deflection without needing an external guide pillar.
Actuates a 300mm long indexing platform between two packaging stations, using the second protruding rod end to mechanically trigger a physical limit flag.
Selecting this 63mm bore unit provides a maximum thrust of 286kgf at 1.0MPa. If your application requires less force, the neighboring 50mm bore delivers 824.6N at 0.5MPa; stepping up to the 80mm bore provides 2267.8N at 0.5MPa. For this 300mm extended length, ensure your layout supports the longer rod span to prevent side-load binding. A single-rod ACQ cylinder is preferable if you only need standard unidirectional thrust and want a shorter footprint. Note that this configuration ships without a magnet (-S), so position sensing requires adding a separate external flag or target to the second rod end. Confirm the female M10x1.5 thread and PT1/4 port during ordering.
Quick checklist
This double-acting cylinder provides an equal push and pull force of 1401.5N at 0.5MPa and 1962.2N at 0.7MPa, with a maximum capacity of 286kgf at 1.0MPa. Push and pull forces are identical because the twin rods create the same annular area in both chambers. The 300mm stroke is a made-to-order long-stroke version, as the standard maximum for a 63mm bore is 100mm.
The dual-rod design inherently resists rotation and provides an extended guide length. It uses fixed NBR elastomer bumpers at both ends for deceleration, which are not adjustable; for high-energy impacts, use an external shock absorber. A plain ACQ-type cylinder does not hold its load if air pressure is lost, so a fail-safe setup requires an external rod lock or pilot-operated check valve.
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