Airtac ACQD Double Acting Compact Cylinder ACQD20X90S
The AirTAC ACQD Double Acting Compact Cylinder ACQD20X90S is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø20mm bore and 90mm 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.
- BoreØ20 mm
- Stroke90 mm
- Port sizeM5×0.8
- Acting typeDouble acting, double rod
- Rod threadM5×0.8 (F) / M8×1.25 (B)
- CushionBumper (both ends)
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac ACQD Double Acting Compact Cylinder ACQD20X90S
The AirTAC ACQD20X90S is a double-acting JIS compact cylinder featuring a Ø10mm piston rod protruding from both ends. Because a rod occupies each chamber, the annular area remains identical in either direction, yielding an equal 117.8N of push and pull force at 0.5 MPa. This symmetry is essential for applications requiring consistent bi-directional power without force disparity.
Twin rods inherently resist rotation and extend the guide length, allowing you to mount a small tool platform directly without adding an external anti-rotation guide. The second rod end can drive a sensor flag or a secondary load. It features fixed TPU elastomer bumpers at both ends for end-of-stroke deceleration, and the integrated -S magnet works seamlessly with reed or solid-state switches via the body grooves.
Airtac ACQD Double Acting Compact Cylinder ACQD20X90S Technical Specifications
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD20X90S |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø20 mm |
| Stroke | 90 mm |
| Acting type | Double acting, double rod |
| Port size | M5×0.8 |
| Rod end thread | M5×0.8 female / M8×1.25 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 (Ø20mm — equal both ways)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 118 N | 118 N |
| 0.7 MPa | 165 N | 165 N |
| Max (@1.0 MPa) | 24 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 ACQD20X90S
| ACQD | JIS compact double-acting DOUBLE-ROD cylinder series. |
|---|---|
| 20 | Bore size in mm. |
| ×90 | 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 ACQD20X90S Is Used
Symmetric Transfer Assembly
Drives a dual-clamp fixture on an electronics packaging line, utilizing the equal 117.8N push and pull force to securely shift delicate PCB trays in both directions.
Twin-Guided Pusher Station
Transfers small component bins on a conveyor system; the twin rods prevent platform twisting without needing a separate external guide rail.
Dual-Station Actuation
Operates a secondary stamping head from the rear rod end on a small-parts machining center while the primary face drives the main tooling.
Is the Airtac ACQD Double Acting Compact Cylinder ACQD20X90S the Right Cylinder?
Providing 117.8N of symmetric force, this 20mm bore unit sits between the 16mm variant (75.4N) and the 25mm model (188.9N). With a 90mm stroke, it approaches the 100mm maximum standard stroke limit for this bore. If your mechanism only needs force in one direction, a single-rod ACQ cylinder offers a more compact footprint. For heavier radial loads requiring longer guidance, a TACQ guided cylinder might be a better fit. Confirm the female M5x0.8 rod-end thread and M5x0.8 port when 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 ACQD20X90S FAQ
It delivers an equal push and pull force of 117.8N at 0.5 MPa and 164.9N at 0.7 MPa, with a maximum capacity of 24 kgf at 1.0 MPa. Push and pull forces are identical because the double-rod design creates the same annular piston area in both directions. The maximum standard stroke available for this 20mm bore is 100mm.
The twin rods resist rotation and provide extended guiding length. It uses fixed TPU elastomer bumpers at both ends for deceleration, which are not adjustable. A plain ACQD does not hold its load if air pressure is lost; for fail-safe load holding, you must add an external rod lock or pilot-operated check valve.
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