Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ125X150-10S
The AirTAC Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ125X150-10S is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø125mm bore and 150mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ125 mm
- Full stroke150 mm
- Port sizePT3/8
- Adjuster threadM27×2.0
About the Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ125X150-10S
The ACQJ125X150-10S is a double-acting JIS compact cylinder featuring a 125mm bore and a 150mm full stroke. An external M27x2.0 threaded stop with a lock nut limits the extend end position, providing a usable extend range of 140-150mm. The retract stroke remains unaffected by this adjustment. Because the piston area is unchanged, the output force is identical to a standard ACQ of this bore.
This big-bore variant delivers 6135.9N push force at 0.5MPa and includes a built-in piston magnet (-S) for use with reed or solid-state switches. It uses a PT3/8 port, a 32mm rod, and fixed NBR elastomer bumpers at both ends rather than adjustable air cushions. Operating pressure spans 0.15-1.0MPa with a speed range of 30-500mm/s.
Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ125X150-10S Technical Specifications
| Model | Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ125X150-10S |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø125 mm |
| Full stroke | 150 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 (Ø125mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 6136 N | 5734 N |
| 0.7 MPa | 8590 N | — |
| Max (@1.0 MPa) | 1251 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 ACQJ125X150-10S
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×150 | 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 ACQJ125X150-10S Is Used
Heavy Press Tonnage Stops
Dial in the exact extend contact point on large pneumatic presses without machining new hard stops.
Metal Forming Depth Control
Fine-tune the 140-150mm extend position during product changeovers for varying material bend depths.
Large Lift Platform Limits
Adjust the upper travel limit on heavy lifting jigs to test different end positions safely.
Is the Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ125X150-10S the Right Cylinder?
When sizing this model, stepping down to a 100mm bore yields 3927.0N push force at 0.5MPa, while stepping up to a 140mm bore provides 7696.9N push force. Choose this adjustable version only if your setup requires on-machine end-position tuning within the 140-150mm window; otherwise, a fixed-stroke ACQ suffices. Confirm ordering essentials: 125mm bore, 150mm full stroke, 10mm window, S magnet, and the default female M22x2.5 rod-end 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 ACQJ125X150-10S FAQ
At 0.5MPa, push force is 6135.9N and pull force is 5733.8N; at 0.7MPa, push is 8590.3N. Maximum push is 1251kgf at 1.0MPa. The full stroke is 150mm with a 10mm adjustable window, giving a usable extend range of 140-150mm.
An external M27x2.0 threaded stop with a lock nut limits the extend stroke without altering the piston area, so force remains identical to a standard ACQ. The cylinder uses fixed NBR elastomer bumpers, not adjustable air cushions. It will 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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Related AirTAC ACQJ Compact Cylinders
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