Airtac ATQ Single Acting Thin Cylinder ATQ40X5S
The AirTAC Airtac ATQ Single Acting Thin Cylinder ATQ40X5S is a genuine single-acting COMPACT (JIS) cylinder (single acting, pull type) with a Ø40mm bore and 5mm stroke. Air pulles 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, pull type
- Rod threadM8×1.25 (F) / M14×1.5 (B)
- CushionBumper
About the Airtac ATQ Single Acting Thin Cylinder ATQ40X5S
The AirTAC ATQ40X5S is a single-acting PULL-type compact cylinder where supplying air to one port retracts the 16mm rod, while an internal spring extends it upon exhaust. It yields a theoretical pull of 527.8N at 0.5MPa and 738.9N at 0.7MPa before spring deduction. The return spring lowers net output, so verify exact net figures from the datasheet.
This 40mm bore unit features a 5mm stroke, well below the 30mm maximum for this size. A fixed NBR elastomer bumper absorbs end-of-travel energy rather than an adjustable cushion. Equipped with a piston magnet (-S), it supports both reed and solid-state electronic sensors for position feedback.
Airtac ATQ Single Acting Thin Cylinder ATQ40X5S Technical Specifications
| Model | Airtac ATQ Single Acting Thin Cylinder ATQ40X5S |
|---|---|
| Series | ATQ JIS compact single-acting cylinder |
| Bore size | Ø40 mm |
| Stroke | 5 mm |
| Acting type | Single acting, pull 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, Pull)
| Pressure | Pull force (before spring) |
|---|---|
| 0.5 MPa | 528 N |
| 0.7 MPa | 739 N |
These are theoretical air-side forces; the return-spring force reduces the NET usable output. Single-acting pull only — the spring performs the opposite stroke. Confirm the net figure from the datasheet and size with a safety margin.
Model Code: Airtac ATQ Single Acting Thin Cylinder ATQ40X5S
| ATQ | JIS compact single acting, pull 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 ATQ Single Acting Thin Cylinder ATQ40X5S Is Used
Clamp Release Mechanism
Releases a holding clamp on a machining center by pulling it back against spring pressure when air is applied.
Diverter Gate Retraction
Draws a sorting gate out of the conveyor lane during powered cycles, letting the spring push it back to rest.
Film Tensioning Jig
Tensions packaging film by pulling a guide roller back; the spring maintains baseline tension on air loss.
Is the Airtac ATQ Single Acting Thin Cylinder ATQ40X5S the Right Cylinder?
For lower force, the 32mm bore gives a 301.6N theoretical pull at 0.5MPa; for higher force, the 50mm bore offers 824.6N. If your application needs more than 30mm of travel, select a double-acting ACQ cylinder instead. To order this pull-type unit, confirm the 40mm bore, 5mm stroke, -S magnet, and M8x1.25 female rod-end thread.
Quick checklist
- ✓ Net pull 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 ATQ Single Acting Thin Cylinder ATQ40X5S FAQ
It provides a theoretical pull of 527.8N at 0.5MPa and 738.9N at 0.7MPa before the return spring lowers net output. It requires a 0.2MPa minimum operating pressure to overcome the spring, has a 5mm stroke (max 30mm for this bore), and uses a PT1/8 port.
If air is lost, the internal spring failsafe extends the rod to its rest position. End-of-travel impact is managed by a fixed NBR elastomer bumper, not an adjustable air cushion, so external shock absorbers may be needed for high energy loads.
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Related AirTAC ATQ Cylinders
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