Airtac ACQD Double Acting Compact Cylinder ACQD16X40
The AirTAC ACQD Double Acting Compact Cylinder ACQD16X40 is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø16mm bore and 40mm 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.
- BoreØ16 mm
- Stroke40 mm
- Port sizeM5×0.8
- Acting typeDouble acting, double rod
- Rod threadM4×0.7 (F) / M6×1.0 (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 ACQD16X40
The AirTAC ACQD16X40 is a double-acting JIS compact cylinder featuring twin 8mm rods that exit both ends of the riveted body. Because a rod occupies each chamber, the effective annular area is identical in both directions. This means push and pull forces are perfectly equal at 75.4N (0.5MPa) and 105.6N (0.7MPa), with a maximum capacity of 15kgf at 1.0MPa.
The dual-rod architecture inherently resists rotation and provides an extended guide length, allowing it to carry a small tool platform directly without needing a separate anti-rotation guide. The second rod end can drive a sensor flag or a secondary load. This 40mm stroke unit uses M5x0.8 ports, features fixed TPU bumpers for end-of-stroke deceleration, and includes sensor grooves (note: this specific non-magnet variant ships without a piston magnet).
Airtac ACQD Double Acting Compact Cylinder ACQD16X40 Technical Specifications
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD16X40 |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø16 mm |
| Stroke | 40 mm |
| Acting type | Double acting, double rod |
| Port size | M5×0.8 |
| Rod end thread | M4×0.7 female / M6×1.0 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 60 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 (Ø16mm — equal both ways)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 75 N | 75 N |
| 0.7 MPa | 106 N | 106 N |
| Max (@1.0 MPa) | 15 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 ACQD16X40
| ACQD | JIS compact double-acting DOUBLE-ROD cylinder series. |
|---|---|
| 16 | Bore size in mm. |
| ×40 | 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 ACQD16X40 Is Used
Symmetric Transfer Arm
Drives a dual-ended pick-and-place arm in electronics assembly, utilizing the equal push/pull force to maintain stable acceleration in both directions without momentum drift.
Twin-Guided Component Pusher
Pushes small machined parts out of a CNC lathe, relying on the twin 8mm rods to prevent fixture twisting without adding a bulky external linear guide.
Dual-Station Actuation
Actuates two separate clamps simultaneously in a packaging machine, using both protruding rod ends to drive independent mechanisms from one compact body.
Is the Airtac ACQD Double Acting Compact Cylinder ACQD16X40 the Right Cylinder?
When sizing this 16mm bore, stepping down to the 12mm version drops the equal push/pull force to 42.4N at 0.5MPa, while stepping up to the 20mm bore raises it to 117.8N. Choose this ACQD16X40 when symmetric force and non-rotational guidance are required within a 60mm maximum standard stroke limit. If your application only needs unidirectional pushing where forward force exceeds pull, a single-rod ACQ cylinder is more space-efficient. For heavier lateral loads requiring precise linear guidance, a guided TACQ cylinder might be a better fit. Confirm your ordering code specifies the 16mm bore, 40mm stroke, and default female M4x0.7 rod-end threads.
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 ACQD16X40 FAQ
This cylinder generates an equal push and pull force of 75.4N at 0.5MPa and 105.6N at 0.7MPa, with a maximum capacity of 15kgf at 1.0MPa. Push and pull forces are identical because the double-rod design creates the same annular area in both chambers. The maximum standard stroke available for the 16mm bore is 60mm.
No, a plain ACQD does not hold position when air is lost or valves are centered; the rod will drift and requires an external rod lock or pilot-operated check valve for fail-safe holding. For end-of-stroke impacts, the cylinder uses fixed TPU elastomer bumpers at both ends rather than adjustable air cushions, so external shock absorbers may be needed for high-energy loads.
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