Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X300-20S
The AirTAC Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X300-20S is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø160mm bore and 300mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ160 mm
- Full stroke300 mm
- Port sizePT3/8
- Adjuster threadM36×2.0
About the Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X300-20S
The ACQJ160X300-20S is a double-acting, single-rod JIS compact cylinder from AirTAC's big-bore range, featuring a 300 mm full stroke and a 160 mm bore. It uses an external threaded stop with a lock nut on the rod-end side to restrict how far the rod extends. You can fine-tune the extend end position on the machine without swapping parts, yielding a usable extend range of 280 to 300 mm. The retract stroke remains completely unaffected by this mechanism.
Because the piston area stays constant, the output force is identical to a standard ACQ of this size, delivering 10053.1 N of push and 9424.8 N of pull at 0.5 MPa. The unit relies on a fixed NBR elastomer bumper at each end for deceleration rather than an adjustable air cushion. Equipped with an -S piston magnet, it supports both reed and solid-state electronic switches via its integrated mounting grooves. The Ø40 mm rod features a female M24x3.0 thread end, and the adjuster utilizes an M36x2.0 thread.
Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X300-20S Technical Specifications
| Model | Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X300-20S |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø160 mm |
| Full stroke | 300 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 ACQJ160X300-20S
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×300 | 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 ACQJ160X300-20S Is Used
Heavy Press Tonnage Tuning
Dial in the exact 280 to 300 mm extend position on a large metal stamping press without machining custom spacers during tooling changes.
Pallet Stop Positioning
Adjust the end stop on a high-thrust conveyor diverter to accommodate different pallet sizes quickly on the factory floor.
Heavy Lift End-Point Setup
Set precise extend limits for a 10053.1 N lifting fixture, allowing safe trial end positions before finalizing the mechanical hard stop.
Is the Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X300-20S the Right Cylinder?
Selecting this 160 mm bore unit provides 10053.1 N push at 0.5 MPa. Stepping down to a 140 mm bore yields 7696.9 N push, while no larger standard bore exists in this compact family, making this the maximum thrust option. If your machinery requires a fixed 300 mm extend position and never varies, a standard ACQ cylinder without the external stop is sufficient. When ordering, confirm the 160 mm bore, 300 mm full stroke, 20 mm adjustment window, the -S magnet for sensing, and the female M24x3.0 rod 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 ACQJ160X300-20S FAQ
This cylinder delivers 10053.1 N push and 9424.8 N pull at 0.5 MPa, 14074.3 N push at 0.7 MPa, and a maximum push of 2050 kgf at 1.0 MPa. The usable extend range is 280 to 300 mm (full 300 mm stroke minus up to a 20 mm window). It features a 160 mm bore, a PT3/8 port, an M36x2.0 adjuster thread, and a female M24x3.0 rod end.
The external threaded stop and lock nut limit the extend stroke length only, meaning the output force remains identical to a standard ACQ because the piston area is unchanged. The retract stroke is unaffected. The cylinder uses a fixed elastomer bumper, not an adjustable air cushion. Note that a plain ACQ-type does not hold its load on air loss; for a fail-safe hold, use an external rod lock or pilot-operated check valve.
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Related AirTAC ACQJ Compact Cylinders
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