Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ140X50-10SB
The AirTAC Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ140X50-10SB is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø140mm bore and 50mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ140 mm
- Full stroke50 mm
- Port sizePT3/8
- Adjuster threadM27×2.0
About the Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ140X50-10SB
The ACQJ140X50-10SB is a double-acting JIS compact cylinder from AirTAC's big-bore range, featuring a 140mm bore and a 50mm full stroke. An external threaded stop with a lock nut limits the extend end position, providing a usable extend range of 40 to 50mm. The retract stroke remains completely unaffected by this adjustment.
Because the piston area is unchanged, the output force is identical to a standard ACQ of this size, delivering 7696.9N push and 7294.8N pull at 0.5MPa. This variant includes a male-thread piston rod end (M30x1.5) for direct load coupling, a built-in piston magnet for electronic or reed switches, and fixed NBR elastomer bumpers at both ends for end-of-stroke deceleration.
Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ140X50-10SB Technical Specifications
| Model | Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ140X50-10SB |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø140 mm |
| Full stroke | 50 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 ACQJ140X50-10SB
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 140 | Bore size in mm. |
| ×50 | 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 ACQJ140X50-10SB Is Used
Heavy Press Tonnage
Dial in the exact 40-50mm extend position during heavy press setup to accommodate varying material thicknesses without machining new spacers.
Automated Changeover Stops
Fine-tune the end stop rapidly on automated assembly lines when switching between product variants, saving changeover time.
Injection Mold Clamping
Establish trial end positions for mold clamping operations where precise extend limits must be verified before finalizing the mechanical setup.
Is the Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ140X50-10SB the Right Cylinder?
Selecting this 140mm bore provides massive force in a compact footprint, pushing 7696.9N at 0.5MPa. If your application requires less thrust, stepping down to a 125mm bore yields 6135.9N push, while moving up to a 160mm bore provides 10053.1N. A fixed-stroke ACQ suffices if your extend end position never requires on-machine tuning. Confirm your ordering essentials: 140mm bore, 50mm full stroke, 10mm adjuster window, S magnet, and B male rod thread.
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 ACQJ140X50-10SB FAQ
This cylinder 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 usable extend range is 40-50mm, utilizing a 10mm adjustment window on a 50mm full stroke.
The external M27x2.0 threaded stop with lock nut limits the extend length without altering the piston area, meaning force remains identical to a standard ACQ. The cylinder uses fixed elastomer bumpers, not adjustable air cushions. Note that a plain compact cylinder does not hold its load on air loss; use an external rod lock or pilot-operated check valve for fail-safe holding.
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1-Year Warranty
Covers non-human-caused product damage.
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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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