
The AirTAC Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X200-20SB is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø32mm bore and 200mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
The AirTAC ACQJ32X200-20SB is a double-acting JIS compact cylinder with an external threaded stop and lock nut that limits the extend end position. You get a usable extend range of 180 to 200 mm, letting you dial in the exact forward position right on the machine without swapping parts. The retract stroke remains completely unaffected. This long-stroke made-to-order variant extends past the 100 mm standard maximum for a 32 mm bore, reaching up to 300 mm.
Because the adjuster only alters travel length and leaves piston area untouched, output force is identical to a standard ACQ of this bore. You can expect a push of 402.1 N and pull of 301.6 N at 0.5 MPa. The unit includes a male M14x1.5 rod end for direct load coupling, a PT1/8 port, and fixed NBR elastomer bumpers at both ends for end-of-stroke deceleration.
| Model | Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ32X200-20SB |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø32 mm |
| Full stroke | 200 mm |
| Adjuster thread | M12×1.25 |
| Port size | PT1/8 |
| 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 | M8×1.25 (F) / M14×1.5 (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.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 302 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 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.
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 32 | 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).
Dial in the extend stop from 180 to 200 mm on a CNC machining line to accommodate raw casting size differences during part changeovers.
Adjust the forward travel limit on a packaging machine to securely push different box depths without reprogramming the motion controller.
Set precise end positions for pressing bearings on an assembly line, tweaking the 20 mm window to test trial depths before final lock-down.
Choosing this 32 mm bore gives 402.1 N push at 0.5 MPa. Stepping down to a 25 mm bore drops push to 245.4 N, while moving up to a 40 mm bore raises it to 628.3 N. If your forward position never varies, a fixed-stroke ACQ cylinder is simpler and suffices. For this adjustable model, confirm the 200 mm full stroke, the 20 mm window, the -S magnet for electronic or reed switches, and the -B male rod thread when ordering.
Quick checklist
It delivers 402.1 N push and 301.6 N pull at 0.5 MPa, 562.9 N push at 0.7 MPa, and a maximum push of 82 kgf at 1.0 MPa. The full stroke is 200 mm with a 20 mm adjustable window, giving a usable extend range of 180 to 200 mm. Retract stroke is unaffected.
An external M12x1.25 threaded stop with a lock nut limits the extend travel, allowing on-machine position tuning without changing parts. It changes stroke length only, so force remains identical to a standard ACQ. The cylinder uses fixed NBR elastomer bumpers at each end, not adjustable air cushions, so add an external shock absorber for high-energy loads.
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