Airtac ACQD Double Acting Compact Cylinder ACQD50X300SB
The AirTAC Airtac ACQD Double Acting Compact Cylinder ACQD50X300SB is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø50mm bore and 300mm 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
- Stroke300 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 ACQD50X300SB
The AirTAC ACQD50X300SB is a double-acting JIS compact cylinder featuring a 50mm bore and an extended 300mm stroke. Because twin rods exit both ends, the annular piston area remains identical in each direction, yielding perfectly equal push and pull forces of 824.6N at 0.5MPa and 1154.5N at 0.7MPa. This symmetric thrust is ideal for balanced cycling, while the dual rods inherently resist rotation and extend guiding length without needing an external guide rail.
This long-stroke made-to-order variant includes the S option for a piston magnet and the B option for male M18x1.5 rod-end threads, allowing direct load coupling. It features a PT1/4 port, a 20mm rod diameter, and fixed NBR elastomer bumpers at both ends for end-of-stroke deceleration rather than adjustable air cushions. The integrated magnet supports both reed and solid-state switches, and the extended reach is perfect for driving dual stations or a secondary sensor flag.
Airtac ACQD Double Acting Compact Cylinder ACQD50X300SB Technical Specifications
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD50X300SB |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 300 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 ACQD50X300SB
| ACQD | JIS compact double-acting DOUBLE-ROD cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×300 | 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 ACQD50X300SB Is Used
Symmetric Transfer Pusher
Drives a long 300mm transfer carriage on a packaging line where equal push and pull thrust ensures stable bidirectional product movement without rotational drift.
Dual-Station Actuation
Uses both rod ends on an electronics assembly machine to index two separate fixtures simultaneously, saving space and eliminating the need for a second actuator.
Extended Sensor Flag Drive
Operates a CNC tooling gate where the secondary rod end mounts a magnetic flag, tripping a solid-state switch to confirm position over the long travel distance.
Is the Airtac ACQD Double Acting Compact Cylinder ACQD50X300SB the Right Cylinder?
Select this 300mm stroke model when your mechanism requires long reach combined with anti-rotation stability. For lower force needs, the 40mm bore provides 527.8N at 0.5MPa; for heavier loads, the 63mm bore offers 1401.5N. If you only need basic extension without twin rods, a single-rod ACQ is more compact, or a TACQ guided cylinder handles higher lateral loads. Remember that a standard ACQD does not hold position on air loss, so add an external rod lock for fail-safe holding. Confirm your port PT1/4 and male M18x1.5 thread requirements 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 ACQD50X300SB FAQ
It delivers equal push and pull forces of 824.6N at 0.5MPa and 1154.5N at 0.7MPa, with a maximum of 168kgf at 1.0MPa. Push equals pull because the double-rod design creates the same annular area in both chambers. The 300mm stroke is a made-to-order long-stroke variant exceeding the 100mm standard maximum for this 50mm bore.
The twin rods exiting both ends provide inherent anti-rotation resistance and a longer guide length. It uses fixed NBR elastomer bumpers at each end to decelerate the piston, which are not adjustable air cushions. For high energy approaches, an external shock absorber is recommended.
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