
The AirTAC Airtac ACQD Double Acting Compact Cylinder ACQD100X175S is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø100mm bore and 175mm 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 ACQD100X175S is a double-acting JIS compact cylinder featuring a piston rod protruding from both ends. Because a rod occupies both internal chambers, the effective annular area is identical in each direction. This means push and pull forces are perfectly equal, delivering 3524.8 N at 0.5 MPa and 4934.8 N at 0.7 MPa without any directional disparity.
The twin rods resist torsion and provide an extended guide length, allowing you to mount a tool platform directly without needing an external anti-rotation guide. This 175mm variant is a made-to-order long-stroke unit exceeding the 100mm standard maximum for this 100mm bore. It features a fixed NBR elastomer bumper at each end, PT3/8 ports, and an included magnet (-S) compatible with reed or solid-state switches.
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD100X175S |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø100 mm |
| Stroke | 175 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. |
| ×175 | 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 wide packaging pusher plate on a case erector, using the dual rods to maintain parallel alignment and prevent binding across the 175mm travel.
Powers a dual-station pick-and-place transfer in electronics assembly, leveraging the equal push/pull forces to maintain consistent cycle timing in both directions.
Actuates a secondary stamping load or sensor flag from the rear rod end on an automotive parts line while the primary end drives the main clamping action.
When sizing this 100mm bore unit, consider the neighbouring bores for your force requirements: the 80mm bore yields 2267.8 N at 0.5 MPa, while the 125mm bore yields 5733.8 N at 0.5 MPa. If your application only needs unidirectional thrust and standard stroke lengths, a single-rod ACQ might suffice. For multi-axis guidance without torsional deflection, a guided TACQ cylinder is preferable. To order, confirm the 175mm extended stroke, the M20x2.5 female rod-end thread, and the PT3/8 port interface.
Quick checklist
The push and pull forces are equal because the rod occupies both chambers, yielding 3524.8 N at 0.5 MPa and 4934.8 N at 0.7 MPa. The maximum operating pressure is 1.0 MPa (delivering 719 kgf). This is a long-stroke variant with a 175mm travel, exceeding the 100mm standard maximum for this bore.
No, a standard ACQD does not hold position on air loss; you must add an external rod lock or pilot-operated check valve for fail-safe load holding. For deceleration, it uses a fixed NBR elastomer bumper at each end, not an adjustable air cushion, so external shock absorbers are recommended for high-energy impacts.
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