Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ140X200-50SB
The AirTAC Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ140X200-50SB is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø140mm bore and 200mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ140 mm
- Full stroke200 mm
- Port sizePT3/8
- Adjuster threadM27×2.0
About the Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ140X200-50SB
The AirTAC ACQJ140X200-50SB is a double-acting JIS compact cylinder engineered for big-bore applications, featuring a 200 mm total stroke and an external extend stop. A threaded rod-end adjuster with a lock nut lets you set the extend end position precisely between 150 mm and 200 mm directly on your machinery, avoiding parts swaps during product changeovers. The retract stroke remains completely unaffected by this mechanism.
Because the piston area stays constant, output force matches a standard ACQ exactly, delivering 7696.9 N push at 0.5 MPa. This SB configuration includes a male M30x1.5 rod end for direct load coupling and a built-in piston magnet compatible with reed or solid-state switches. Deceleration relies on fixed NBR elastomer bumpers at both ends rather than adjustable air cushions, operating reliably across temperatures from -20 to +70 C.
Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ140X200-50SB Technical Specifications
| Model | Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ140X200-50SB |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø140 mm |
| Full stroke | 200 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 ACQJ140X200-50SB
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 140 | Bore size in mm. |
| ×200 | 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 ACQJ140X200-50SB Is Used
Heavy Press Tooling
Dial in the exact clamping depth on large metal-forming presses where material thicknesses vary between production runs.
Pallet Changeover Stops
Modify the extend endpoint rapidly on automated conveyor lines to accommodate different pallet sizes without swapping cylinders.
Large Fixture Positioning
Establish trial end positions for massive machining fixtures, allowing operators to tweak the 150 to 200 mm reach on the fly.
Is the Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ140X200-50SB the Right Cylinder?
Selecting this 140 mm bore provides 7696.9 N push and 7294.8 N pull at 0.5 MPa. If your setup requires less energy, stepping down to a 125 mm bore yields 6135.9 N push, whereas upgrading to a 160 mm bore offers 10053.1 N push for heavier demands. A fixed-stroke ACQ is sufficient if your end position never varies, but this adjustable variant excels in trial setups. When ordering, confirm the 200 mm total stroke, 50 mm adjustment 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 ACQJ140X200-50SB FAQ
This cylinder delivers a push force of 7696.9 N and a pull force of 7294.8 N at 0.5 MPa, with a push of 10775.7 N at 0.7 MPa, and a maximum push of 1570 kgf at 1.0 MPa. The usable extend range is 150 to 200 mm, derived from the 200 mm full stroke minus the 50 mm adjustment window.
An external M27x2.0 threaded stop with a lock nut limits the extend distance without altering the piston area, meaning force remains identical to a standard ACQ. Deceleration is handled by fixed NBR elastomer bumpers, not adjustable air cushions. Note that a plain compact cylinder will drift and cannot hold a load on air loss, so an external rod lock or pilot-operated check valve is required for fail-safe holding.
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Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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Related AirTAC ACQJ Compact Cylinders
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