Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X250-10SB
The AirTAC Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X250-10SB is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø160mm bore and 250mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ160 mm
- Full stroke250 mm
- Port sizePT3/8
- Adjuster threadM36×2.0
About the Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X250-10SB
The AirTAC ACQJ160X250-10SB is a double-acting, single-rod JIS compact cylinder engineered for big-bore tasks, supporting up to 300 mm strokes. It features an external threaded stop with a lock nut that restricts the EXTEND end position. You get a usable extend range of 240-250 mm (the 250 mm full stroke minus up to 10 mm). The RETRACT stroke remains completely unaffected by this adjustment. Because the piston area stays the same, the output force is identical to a standard ACQ of this bore. The unit delivers a push force of 10053.1 N and a pull force of 9424.8 N at 0.5 MPa.
This variant includes the -S magnet for position sensing and the -B male piston rod thread (M36x1.5) to couple directly to your load. It uses a PT3/8 port and a fixed elastomer NBR bumper at each end for end-of-stroke deceleration instead of an adjustable air cushion. Operating pressure spans 0.15-1.0 MPa, with proof pressure rated at 1.5 MPa. The external adjuster utilizes an M36x2.0 thread.
Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X250-10SB Technical Specifications
| Model | Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X250-10SB |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø160 mm |
| Full stroke | 250 mm |
| Adjuster thread | M36×2.0 |
| 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 | M24×3.0 (F) / M36×1.5 (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 (Ø160mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 10053 N | 9425 N |
| 0.7 MPa | 14074 N | — |
| Max (@1.0 MPa) | 2050 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 ACQJ160X250-10SB
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 160 | 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 ACQJ160X250-10SB Is Used
Heavy Press Tonnage Tuning
Dial in the exact 240-250 mm extend stop on a large metal-forming press during tool setup, avoiding the need to machine new spacing collars for different die heights.
Automated Assembly Line Changeover
Adapt a heavy-duty end effector position for a new product run on an automotive assembly line by simply turning the external M36x2.0 stopper nut.
Large Fixture Clamping Depth
Secure varying thicknesses of composite materials in an industrial clamping fixture by fine-tuning the extend end position without altering the retract stroke.
Is the Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X250-10SB the Right Cylinder?
When sizing this 160 mm bore, dropping to a 140 mm bore yields a 0.5 MPa push of 7696.9 N, while this 160 mm unit provides 10053.1 N. If your application strictly requires a fixed 250 mm extend and 250 mm retract without any on-the-fly tweaking, a standard ACQ cylinder will suffice. Confirm your ordering essentials: 160 mm bore, 250 mm full stroke, 10 mm adjuster window, -S magnet for electronic or reed switches, and -B male rod end.
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 ACQJ160X250-10SB FAQ
The usable extend range is 240-250 mm (250 mm full stroke minus the 10 mm window). Force is identical to a standard ACQ: push is 10053.1 N and pull is 9424.8 N at 0.5 MPa, push is 14074.3 N at 0.7 MPa, and max push is 2050 kgf at 1.0 MPa.
An external threaded stop with a lock nut limits the extend stroke via an M36x2.0 adjuster, changing stroke length only without affecting piston area or force. The retract stroke is unaffected. Fixed elastomer NBR bumpers decelerate the load at stroke ends; for high-speed or high-energy loads, add an external shock absorber. Note that a plain ACQ-type cylinder will not hold its load on air loss, so use an external rod lock for fail-safe holding.
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