Airtac ACQD Double Acting Compact Cylinder ACQD80X20SB
The AirTAC Airtac ACQD Double Acting Compact Cylinder ACQD80X20SB is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø80mm 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.
- BoreØ80 mm
- Stroke20 mm
- Port sizePT3/8
- Acting typeDouble acting, double rod
- Rod threadM16×2.0 (F) / M22×1.5 (B)
- CushionBumper (both ends)
About the Airtac ACQD Double Acting Compact Cylinder ACQD80X20SB
The AirTAC ACQD80X20SB is a double-acting JIS compact cylinder where a rod protrudes from both ends. Because the rod occupies each chamber, the effective annular area is identical in both directions, yielding equal push and pull forces of 2267.8N at 0.5MPa and 3175N at 0.7MPa. The twin rods prevent rotation and extend the guide length, letting you mount a tool platform directly without needing an external guide. The second rod end can drive a sensor flag or a secondary load.
This 80mm bore unit features a male M22x1.5 rod-end thread (-B) for direct coupling, a built-in magnet (-S) for electronic or reed switches, and PT3/8 ports. It uses fixed NBR elastomer bumpers at both ends for end-of-stroke deceleration rather than adjustable air cushions. The compact body operates at 0.15-1.0MPa with speeds of 30-500mm/s.
Airtac ACQD Double Acting Compact Cylinder ACQD80X20SB Technical Specifications
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD80X20SB |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 20 mm |
| Acting type | Double acting, double rod |
| Port size | PT3/8 |
| Rod end thread | M16×2.0 female / M22×1.5 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 (Ø80mm — equal both ways)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | 3175 N |
| Max (@1.0 MPa) | 463 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 ACQD80X20SB
| ACQD | JIS compact double-acting DOUBLE-ROD cylinder series. |
|---|---|
| 80 | 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 ACQD80X20SB Is Used
Symmetric Transfer Pusher
Drives a packaging line pusher with identical push and pull forces, ensuring stable product transfer without rotational drift.
Dual-Station Actuation
Uses both rod ends to operate two separate clamps simultaneously on an assembly fixture, cutting cycle time in half.
Twin-Guided Press Tool
Carries a small stamping platform on a press machine, relying on the dual rods to resist torsional load without a separate guide.
Is the Airtac ACQD Double Acting Compact Cylinder ACQD80X20SB the Right Cylinder?
When sizing this 80mm bore, stepping down to a 63mm cylinder reduces the bidirectional force to 1401.5N at 0.5MPa, while stepping up to a 100mm bore provides 3524.8N at 0.5MPa. Choose this ACQD80X20SB if your application requires equal push/pull cycles and inherent anti-rotation stability; a single-rod ACQ is better when pull force can be lower than push. Keep in mind a standard ACQD does not hold position on air loss, so an external rod lock or pilot check valve is required for fail-safe load holding. Confirm the 20mm stroke, male M22x1.5 thread, and PT3/8 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 ACQD80X20SB FAQ
The push and pull forces are equal at 2267.8N at 0.5MPa and 3175N at 0.7MPa, with a maximum of 463kgf at 1.0MPa. Because the rod occupies both chambers, the annular area is identical in each direction. The maximum standard stroke for an 80mm bore is 100mm.
It uses fixed NBR elastomer bumpers at both ends to decelerate the piston near stroke end; it is not an adjustable air cushion, so external shock absorbers may be needed for high-energy loads. The built-in -S magnet works with both reed and solid-state electronic switches mounted in the body grooves.
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