Airtac ACQD Double Acting Compact Cylinder ACQD50X175SB
The AirTAC Airtac ACQD Double Acting Compact Cylinder ACQD50X175SB is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø50mm 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.
- BoreØ50 mm
- Stroke175 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 ACQD50X175SB
The AirTAC ACQD50X175SB is a double-acting JIS compact cylinder featuring a twin-rod architecture where a piston shaft protrudes from both ends. Because a rod occupies each chamber, the annular area is identical in both directions, yielding equal push and pull forces of 824.6N at 0.5MPa and 1154.5N at 0.7MPa. The dual shafts inherently resist rotation and provide an extended guide length, allowing you to mount a tool platform directly without needing an external anti-rotation guide. The second rod end can simultaneously drive a sensor flag or a secondary load.
This 175mm stroke variant is a made-to-order long-stroke unit, exceeding the 100mm standard maximum for this 50mm bore. It includes the -S magnet for position sensing via reed or solid-state switches in the integrated grooves, and the -B male rod-end thread (M18x1.5) for direct load coupling. It uses a PT1/4 port, carries a fixed NBR elastomer bumper at each end for end-of-stroke deceleration, and operates between 0.15-1.0MPa.
Airtac ACQD Double Acting Compact Cylinder ACQD50X175SB Technical Specifications
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD50X175SB |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 175 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 ACQD50X175SB
| ACQD | JIS compact double-acting DOUBLE-ROD cylinder series. |
|---|---|
| 50 | 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).
Where the Airtac ACQD Double Acting Compact Cylinder ACQD50X175SB Is Used
Twin-Guided Pusher
Drives a dual-sided pusher on a packaging conveyor, using the inherent anti-rotation properties of the twin rods to keep the pushing plate perfectly aligned without a separate external guide.
Symmetric Transfer Arm
Powers a transfer arm in electronics assembly where equal push and pull forces are critical for balanced, repeatable part placement across a 175mm long-stroke path.
Dual-Station Actuation
Actuates two separate stations simultaneously from a single compact body, using the second protruding rod end to trigger a solid-state sensor flag on a machining fixture.
Is the Airtac ACQD Double Acting Compact Cylinder ACQD50X175SB the Right Cylinder?
Select this 50mm bore actuator when your mechanism requires 824.6N of thrust in both directions over an extended 175mm travel. If your application needs less force, the 40mm bore provides 527.8N at 0.5MPa, while stepping up to the 63mm bore yields 1401.5N. For shorter travels under 100mm, a standard ACQD50 fits directly. If your load demands fail-safe holding upon air loss, a plain ACQD will drift; you must add an external rod lock or pilot-operated check valve. Confirm your ordering code includes the -S magnet and -B male M18x1.5 thread for your mounting setup.
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 ACQD50X175SB FAQ
The push and pull forces are equal at 824.6N @0.5MPa and 1154.5N @1.0MPa, with a maximum force of 168kgf. The 175mm stroke is a made-to-order long-stroke variant exceeding the 100mm standard. It features a 50mm bore, a PT1/4 port, and an M18x1.5 male rod-end thread.
It uses fixed NBR elastomer bumpers at both ends for deceleration, which are not adjustable. A plain ACQD does not hold position if air pressure is lost; for fail-safe load holding, you must install an external rod lock or pilot check valve. The -S magnet allows reed or solid-state switches to track position.
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