
The AirTAC Airtac ACQD Double Acting Compact Cylinder ACQD100X20SB is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø100mm bore and 20mm 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 ACQD100X20SB is a double-acting JIS compact cylinder with twin 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 3524.8 N at 0.5 MPa and 4934.8 N at 0.7 MPa. This 100mm bore unit provides substantial symmetric thrust up to a maximum of 719 kgf at 1.0 MPa.
Dual rods resist rotation and provide a longer guide length, allowing a tool platform to be carried directly without needing an external anti-rotation guide. The second rod end can drive a sensor flag or a secondary load. Equipped with an S magnet for reed or solid-state switches, a B male M26x1.5 rod-end thread, and fixed NBR elastomer bumpers, it operates at 30-500 mm/s within a -20 to +70 C range.
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD100X20SB |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø100 mm |
| Stroke | 20 mm |
| Acting type | Double acting, double rod |
| Port size | PT3/8 |
| Rod end thread | M20×2.5 female / M26×1.5 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 | 3525 N | 3525 N |
| 0.7 MPa | 4935 N | 4935 N |
| Max (@1.0 MPa) | 719 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. |
|---|---|
| 100 | Bore size in mm. |
| ×20 | 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 platform in an automotive parts line, using the dual rods to maintain parallelism and resist torsional deflection under high impact loads.
Actuates a large parts shuttle in heavy machinery, leveraging the equal push and pull thrust to maintain consistent cycle timing in both traverse directions.
Powers a multi-position indexing mechanism in a packaging facility, using the second rod end to trigger a solid-state sensor flag for sequence timing.
For 0.5 MPa operations, the 100mm bore yields 3524.8 N both ways; sizing down to an 80mm bore gives 2267.8 N, while larger 125mm bores reach 5733.8 N. Choose this 20mm stroke twin-rod model when symmetric thrust and anti-rotation are mandatory. If load holding upon air loss is required, add an external rod lock or pilot check valve, as the fixed bumper only decelerates near stroke end. Confirm the PT3/8 port, M20x2.5 female rod thread, and M26x1.5 male thread for your mounting interface.
Quick checklist
Push and pull forces are equal due to the twin-rod annular design: 3524.8 N at 0.5 MPa and 4934.8 N at 0.7 MPa. Maximum force is 719 kgf at 1.0 MPa. The standard stroke limit for this 100mm bore is 100mm, operating pressure is 0.15-1.0 MPa, and speed range is 30-500 mm/s.
The dual rods prevent rotation and extend guide length without external guides. It uses fixed NBR elastomer bumpers at both ends for end-of-stroke deceleration, not adjustable air cushions. The built-in magnet works with reed or electronic solid-state switches, and the male M26x1.5 rod end couples directly to loads.
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