Airtac ACQD Double Acting Compact Cylinder ACQD50X20B
The AirTAC Airtac ACQD Double Acting Compact Cylinder ACQD50X20B is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø50mm 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.
- BoreØ50 mm
- Stroke20 mm
- Port sizePT1/4
- Acting typeDouble acting, double rod
- Rod threadM10×1.5 (F) / M18×1.5 (B)
- CushionBumper (both ends)
About the Airtac ACQD Double Acting Compact Cylinder ACQD50X20B
The AirTAC ACQD50X20B is a double-acting JIS compact cylinder featuring twin rods extending from both ends. Because a rod occupies each chamber, the annular area is identical in both directions, yielding perfectly equal push and pull forces of 824.6N at 0.5MPa and 1154.5N at 0.7MPa.
This 50mm bore unit uses a PT1/4 port and a Ø20mm rod with an M18x1.5 male thread for direct load coupling. Fixed NBR bumpers absorb end-of-stroke impact, while the extended guide length resists torsion, eliminating the need for separate anti-rotation guides in compact tooling setups.
Airtac ACQD Double Acting Compact Cylinder ACQD50X20B Technical Specifications
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD50X20B |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 20 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.
Theoretical Output Force (Ø50mm — equal both ways)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 825 N | 825 N |
| 0.7 MPa | 1155 N | 1155 N |
| Max (@1.0 MPa) | 168 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 ACQD50X20B
| ACQD | JIS compact double-acting DOUBLE-ROD cylinder series. |
|---|---|
| 50 | 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).
Where the Airtac ACQD Double Acting Compact Cylinder ACQD50X20B Is Used
Symmetric Transfer Station
Drives a dual-sided pick-and-place head in packaging lines, utilizing the equal push and pull thrusts for balanced bi-directional product handling.
Twin-Guided Pusher
Shifts components along a machining center conveyor, relying on the twin rods to prevent platform rotation without needing an external guide rail.
Dual-Station Actuation
Powers a secondary tooling flag or separate load from the rear rod end on an assembly machine, synchronizing two operations from one compact body.
Is the Airtac ACQD Double Acting Compact Cylinder ACQD50X20B the Right Cylinder?
At 0.5MPa this 50mm bore generates 824.6N both ways; scaling down, the 40mm bore yields 527.8N, while scaling up to 63mm provides 1401.5N. Choose this specific 20mm stroke when short symmetric travel is required. If your mechanism only needs unidirectional thrust, a single-rod ACQ might suffice, whereas a guided TACQ suits heavier lateral loads. Confirm the -B male M18x1.5 rod end and PT1/4 porting for your plumbing and mounting fixtures.
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 ACQD50X20B FAQ
It delivers an equal push and pull force of 824.6N at 0.5MPa and 1154.5N at 0.7MPa, with a maximum capacity of 168kgf at 1.0MPa. The equal force is due to the double-rod design creating identical annular areas both ways. The maximum standard stroke available for this 50mm bore is 100mm.
It uses fixed NBR elastomer bumpers at both ends for end-of-stroke deceleration rather than adjustable air cushions. A plain ACQD does not hold position if air pressure is lost; for fail-safe load holding, an external rod lock or pilot-operated check valve is required.
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Covers non-human-caused product damage.
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