Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ140X250-100S
The AirTAC Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ140X250-100S is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø140mm bore and 250mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ140 mm
- Full stroke250 mm
- Port sizePT3/8
- Adjuster threadM27×2.0
About the Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ140X250-100S
The AirTAC ACQJ140X250-100S is a double-acting JIS compact cylinder featuring a 140mm bore and an external extend-stop mechanism. A threaded rod-end adjuster with a lock nut allows you to fine-tune the forward stroke length directly on the machine. You can shorten the extension by up to 100mm, yielding a usable forward travel range of 150 to 250mm. The return stroke remains fixed at its original length. This big-bore unit delivers a thrust of 7696.9N at 0.5MPa, identical to a standard ACQ because the piston area is unchanged.
This model includes a 32mm piston rod, PT3/8 ports, and a female M22x2.5 rod-end thread. The R-type adjuster utilizes an M27x2.0 thread. Deceleration relies on fixed NBR elastomer bumpers at both ends rather than adjustable pneumatic cushions. Equipped with the -S magnet option, the cylinder integrates seamlessly with reed or solid-state electronic sensors via its built-in magnetic grooves.
Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ140X250-100S Technical Specifications
| Model | Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ140X250-100S |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø140 mm |
| Full stroke | 250 mm |
| Adjuster thread | M27×2.0 |
| Port size | PT3/8 |
| 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 |
| Rod thread | M22×2.5 (F) / M30×1.5 (B) |
Specifications follow the official AirTAC ACQJ datasheet. The adjustable stop shortens the EXTEND stroke only; the piston area — and therefore the force — is the same as a standard ACQ of this bore. Adjustable window options: 10/20/30/40/50/75/100 mm.
Theoretical Output Force (Ø140mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 7697 N | 7295 N |
| 0.7 MPa | 10776 N | — |
| Max (@1.0 MPa) | 1570 kgf | |
Force equals a standard ACQ of the same bore — the adjuster changes stroke length, not piston area. Actual usable force is lower due to friction; size with a safety margin.
Model Code: Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ140X250-100S
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 140 | Bore size in mm. |
| ×250 | Full stroke length in mm. |
| -0 | Adjustable window in mm (extend stroke can be shortened by up to this). |
| S / B | Magnet (S) / male-thread rod (B); omit for none / female thread. |
Thread: PT standard (G / NPT available). Related: ACQ (fixed stroke), ACQD (double rod), TACQ (guided / non-rotating).
Where the Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ140X250-100S Is Used
Press Tooling Setup
Dial in the exact clamping extension on large press machinery during initial tooling setup without machining custom spacers.
Heavy Product Changeover
Adapt stop positions rapidly on automotive assembly lines when switching between different large component variants.
Lift Station Calibration
Tune the precise lifting height of heavy material lift stations during commissioning to avoid over-travel damage.
Is the Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ140X250-100S the Right Cylinder?
Selecting this 140mm bore provides a maximum push force of 1570kgf at 1.0MPa. If your application requires less thrust, stepping down to a 125mm bore yields 6135.9N push at 0.5MPa, whereas moving up to a 160mm bore provides 10053.1N. If your end-position never varies, a fixed-stroke ACQ cylinder is simpler and sufficient. When ordering, verify the 250mm full stroke, 100mm adjuster window, -S magnet, and female rod thread. Note that air pressure alone will not hold a load safely if air is lost; utilize an external rod lock for fail-safe positioning.
Quick checklist
- ✓ Need on-machine end-position tuning?
- ✓ Full stroke and adjust window (mm)
- ✓ Force at your working pressure
- ✓ 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 Lock the adjuster nut after setting the stop.
- check The stop limits the EXTEND stroke only.
- check Avoid side load on the short piston rod.
- check Installation by qualified personnel per AirTAC docs.
Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ140X250-100S FAQ
It delivers a push force of 7696.9N and a pull force of 7294.8N at 0.5MPa, and 10775.7N push at 0.7MPa. The maximum push is 1570kgf at 1.0MPa. The full stroke is 250mm with a 100mm adjustment window, allowing a usable extend range of 150-250mm.
The M27x2.0 external threaded stop limits only the forward stroke length; it does not alter the piston area, so force remains identical to a standard ACQ. Deceleration is handled by fixed NBR elastomer bumpers, not adjustable air cushions. For high-energy impacts, an external shock absorber is recommended.
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Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
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Most inquiries answered within 7-8 hours.
Related AirTAC ACQJ Compact Cylinders
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