Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ125X100-100S
The AirTAC Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ125X100-100S is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø125mm bore and 100mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ125 mm
- Full stroke100 mm
- Port sizePT3/8
- Adjuster threadM27×2.0
About the Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ125X100-100S
The AirTAC ACQJ125X100-100S is a double-acting, single-rod JIS compact cylinder from the big-bore range, featuring an external M27x2.0 threaded stop with a lock nut. This mechanism limits the extend end position, allowing you to fine-tune the usable extend travel anywhere between 0 and 100 mm directly on your machinery without swapping components. The retract stroke remains completely unaffected by this adjustment.
Because the piston area stays the same, output force is identical to a standard ACQ of this bore size, delivering 6135.9 N of push force at 0.5 MPa. The unit incorporates fixed NBR elastomer bumpers at both ends for end-of-stroke deceleration and includes a built-in piston magnet (the -S option) compatible with reed or solid-state electronic switches via its integrated sensor grooves.
Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ125X100-100S Technical Specifications
| Model | Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ125X100-100S |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø125 mm |
| Full stroke | 100 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 ACQJ125X100-100S
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×100 | 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 ACQJ125X100-100S Is Used
Heavy Press Tonnage Stops
Adjustable extend end positions on large pneumatic presses allow operators to set varying material thicknesses or compression depths without machining custom spacer blocks.
Large Panel Bending Setup
Trial end positions for sheet metal bending machines can be dialed in precisely using the external stop, ensuring accurate angles across different tooling profiles.
Multi-Product Clamp Changeover
Product line changeovers on heavy-duty clamping stations benefit from the 0 to 100 mm adjustable window, accommodating various jig widths rapidly on the factory floor.
Is the Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ125X100-100S the Right Cylinder?
When sizing this 125 mm bore actuator, consider the 6135.9 N push force at 0.5 MPa against your dynamic load and required motion profile. If your application requires a fixed extend position every cycle and no on-the-fly adjustments, a standard ACQ125 cylinder provides the same holding power without the external adjuster hardware. For higher kinetic energy loads at standard operating speeds up to 500 mm/s, adding an external shock absorber is recommended since the fixed bumper only decelerates near the stroke end. Confirm ordering essentials: 125 mm bore, 100 mm full stroke, 100 mm adjuster window, -S magnet, and PT3/8 porting.
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 ACQJ125X100-100S FAQ
This model delivers 6135.9 N push and 5733.8 N pull at 0.5 MPa, 8590.3 N push at 0.7 MPa, and a maximum push of 1251 kgf at 1.0 MPa. The full stroke is 100 mm with a 100 mm adjustment window, yielding a usable extend range of 0-100 mm.
The external M27x2.0 threaded stop only changes the extend stroke length; it does not alter piston area, so force remains identical to a standard ACQ. The cylinder uses fixed NBR elastomer bumpers for deceleration rather than adjustable air cushions, and the -S magnet works with reed or solid-state switches.
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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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Related AirTAC ACQJ Compact Cylinders
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