Airtac ASQ Series Single Acting Slim Cylinder ASQ40X5
The AirTAC Airtac ASQ Series Single Acting Slim Cylinder ASQ40X5 is a genuine single-acting COMPACT (JIS) cylinder (single acting, push type) with a Ø40mm bore and 5mm stroke. Air pushes the rod and an internal spring performs the opposite stroke, so one solenoid line drives the motion — ideal for short-stroke clamping and ejection in tight spaces.
- BoreØ40 mm
- Stroke5 mm
- Port sizePT1/8
- Acting typeSingle acting, push type
- Rod threadM8×1.25 (F) / M14×1.5 (B)
- CushionBumper
About the Airtac ASQ Series Single Acting Slim Cylinder ASQ40X5
The AirTAC ASQ40X5 is a JIS compact single-acting push cylinder. Feeding compressed air to its single PT1/8 port extends the Ø16 mm rod, while an internal mechanical spring handles retraction. This design cuts plumbing complexity down to one solenoid line. Theoretical extension force is 628.3 N at 0.5 MPa and 879.6 N at 0.7 MPa, though the return mechanism lowers usable output, so verify the net figure from the datasheet.
This 40 mm bore unit operates between 0.2 and 1.0 MPa, requiring the 0.2 MPa minimum to overcome the internal mechanism. End-of-travel deceleration relies on a fixed NBR elastomer bumper rather than adjustable pneumatic cushioning. If a longer 5 mm travel is required, a double-acting ACQ series provides greater extension capabilities.
Airtac ASQ Series Single Acting Slim Cylinder ASQ40X5 Technical Specifications
| Model | Airtac ASQ Series Single Acting Slim Cylinder ASQ40X5 |
|---|---|
| Series | ASQ JIS compact single-acting cylinder |
| Bore size | Ø40 mm |
| Stroke | 5 mm |
| Acting type | Single acting, push type |
| Port size | PT1/8 |
| Rod end thread | M8×1.25 female / M14×1.5 male (B) |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.2 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 50 – 500 mm/s |
| Cushion | Bumper |
| Max standard stroke | Up to 30 mm |
Specifications follow the official AirTAC ACQ-family datasheet. Single-acting types start at 0.2 MPa (the spring must be overcome). Confirm against the product label before installation.
Theoretical Output Force (Ø40mm, Push)
| Pressure | Push force (before spring) |
|---|---|
| 0.5 MPa | 628 N |
| 0.7 MPa | 880 N |
These are theoretical air-side forces; the return-spring force reduces the NET usable output. Single-acting push only — the spring performs the opposite stroke. Confirm the net figure from the datasheet and size with a safety margin.
Model Code: Airtac ASQ Series Single Acting Slim Cylinder ASQ40X5
| ASQ | JIS compact single acting, push type cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×5 | Stroke length in mm (single-acting max 30 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). ASQ pushes out / spring returns; ATQ pulls in / spring extends. Related: ACQ (double acting), ACQD (double rod), ACQJ (adjustable stroke).
Where the Airtac ASQ Series Single Acting Slim Cylinder ASQ40X5 Is Used
Short-Stroke Clamping
Holds machined aluminum blocks firmly in place during CNC milling operations using its 628.3 N theoretical push.
Package Ejection
Provides a rapid 5 mm punch to divert small cartons off a packaging line at transfer junctions.
Pin Locating
Drives a locating pin into fixture holes to lock welding assemblies into the correct position.
Is the Airtac ASQ Series Single Acting Slim Cylinder ASQ40X5 the Right Cylinder?
For lower push requirements, the Ø32 bore offers 402.1 N theoretical force at 0.5 MPa, while stepping up to the Ø50 bore yields 981.8 N at 0.5 MPa. This 5 mm stroke falls well within the 30 mm maximum limit for this 40 mm body. When ordering, confirm the 40 mm bore, 5 mm stroke, female M8x1.25 rod-end thread, and whether you require the -S magnet option for position sensing.
Quick checklist
- ✓ Net push force (after spring) at your pressure
- ✓ Stroke ≤ 30 mm (single-acting limit)
- ✓ Single air line saves a valve/port
- ✓ 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 0.2 – 1.0 MPa operating pressure.
- check Remember the spring performs the return stroke.
- check Avoid side load on the short piston rod.
- check Handle the C-clip carefully; seat it fully in its groove.
- check Installation by qualified personnel per AirTAC docs.
Airtac ASQ Series Single Acting Slim Cylinder ASQ40X5 FAQ
Theoretical push force is 628.3 N at 0.5 MPa and 879.6 N at 0.7 MPa before spring deduction. Operating pressure is 0.2-1.0 MPa, with a 0.2 MPa minimum required to overcome the return mechanism. Maximum standard stroke is 30 mm.
A fixed NBR elastomer bumper absorbs impact at stroke ends, meaning it is not adjustable. If air pressure drops, the internal spring automatically retracts the rod to its rest position, providing a fail-safe return action.
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