Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ100X250-40B
The AirTAC Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ100X250-40B is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø100mm bore and 250mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ100 mm
- Full stroke250 mm
- Port sizePT3/8
- Adjuster threadM27×2.0
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ100X250-40B
The AirTAC ACQJ100X250-40B is a double-acting, single-rod JIS compact cylinder built with a 250mm long-stroke made-to-order configuration for the 100mm bore class. It features an external M27x2.0 threaded stop with a lock nut on the rod-end side, allowing you to shorten the extend travel by up to 40mm. This yields a usable extend range of 210-250mm, while the retract stroke remains completely unaffected.
Because the piston area is unchanged, output force is identical to a standard ACQ of this size, delivering 3927N push at 0.5MPa. The unit incorporates a male M26x1.5 rod-end thread for direct load coupling, PT3/8 ports, and fixed elastomer bumpers at both ends. The body includes magnetic-switch grooves, though this specific SKU ships without a piston magnet. Operating pressure spans 0.15-1.0MPa, with a speed range of 30-500mm/s across a -20 to +70C temperature band.
This long-stroke variant exceeds the 100mm standard maximum for this bore, falling into the 32-100mm long-stroke range up to 300mm. Note that a plain ACQ-type body does not hold its load on air loss or when a valve is centered; the rod drifts and the fixed bumper only decelerates near the stroke end. For a fail-safe hold, an external rod lock or pilot-operated check valve is required. For high-energy cycles, add an external shock absorber or slow the approach, as the fixed NBR bumper is not an adjustable air cushion or brake.
When sizing this actuator, consider the neighboring bores for your force requirements. Dropping to an 80mm bore yields 2513.2N push at 0.5MPa, while stepping up to a 125mm bore provides 6135.9N push at 0.5MPa. If your machinery only requires a fixed end position without on-machine adjustability, a standard ACQ cylinder of the same bore and stroke suffices. To order this exact unit, confirm the 100mm bore, 250mm full stroke, 40mm adjustment window, the male B rod thread, and that no S magnet is needed for solid-state or reed switch sensing.
Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ100X250-40B Technical Specifications
| Model | Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ100X250-40B |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø100 mm |
| Full stroke | 250 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 | M20×2.5 (F) / M26×1.5 (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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3525 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 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 ACQJ80-100 Adjustable Compact Cylinder ACQJ100X250-40B
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 100 | 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 ACQJ80-100 Adjustable Compact Cylinder ACQJ100X250-40B Is Used
Automated Press Setup
Dial in the exact 210-250mm extend position during automated press setup without machining custom spacers or changing parts.
Heavy Stamping Changeover
Adapt end-of-stroke stops rapidly during heavy stamping product changeover to accommodate varying material thicknesses.
Prototype Positioning
Establish trial end positions on prototype assembly machinery, tweaking the extend limit on-site until the kinematics are proven.
Is the Airtac ACQJ80-100 Adjustable Compact Cylinder ACQJ100X250-40B the Right Cylinder?
When sizing this actuator, consider the neighboring bores for your force requirements. Dropping to an 80mm bore yields 2513.2N push at 0.5MPa, while stepping up to a 125mm bore provides 6135.9N push at 0.5MPa. If your machinery only requires a fixed end position without on-machine adjustability, a standard ACQ cylinder of the same bore and stroke suffices. To order this exact unit, confirm the 100mm bore, 250mm full stroke, 40mm adjustment window, the male B rod thread, and that no S magnet is needed for solid-state or reed switch sensing.
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 ACQJ80-100 Adjustable Compact Cylinder ACQJ100X250-40B FAQ
The usable extend range is 210-250mm, achieved by shortening the 250mm full stroke by up to the 40mm window. Force is identical to a standard ACQ of this bore: 3927N push and 3524.8N pull at 0.5MPa, 5497.8N push at 0.7MPa, and a maximum push of 801kgf at 1.0MPa.
The external M27x2.0 threaded stop with lock nut limits only the extend travel, leaving the retract stroke unaffected. Because the piston area remains unchanged, output force is not reduced. The cylinder uses fixed elastomer bumpers at each end rather than an adjustable air cushion, and this specific SKU ships without a piston magnet.
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Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
Related AirTAC ACQJ Compact Cylinders
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