Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X150-40SB
The AirTAC Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X150-40SB is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø160mm bore and 150mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ160 mm
- Full stroke150 mm
- Port sizePT3/8
- Adjuster threadM36×2.0
About the Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X150-40SB
The AirTAC ACQJ160X150-40SB is a double-acting JIS compact cylinder from the big-bore range, featuring an external male-threaded piston rod (M36x1.5) that couples directly to your load. An external threaded stop with a lock nut limits the extend end position, providing a usable extend range of 110 to 150 mm. The retract stroke remains completely unaffected by this adjustment.
Because the piston area is unchanged, the force output is identical to a standard ACQ of this bore, delivering 10053.1 N push and 9424.8 N pull at 0.5 MPa. The cylinder body uses fixed elastomer bumpers at both ends for deceleration rather than adjustable air cushions. Equipped with a built-in magnet (-S), it is fully compatible with reed or electronic solid-state switches.
Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X150-40SB Technical Specifications
| Model | Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X150-40SB |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø160 mm |
| Full stroke | 150 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 ACQJ160X150-40SB
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 160 | 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 ACQJ160X150-40SB Is Used
Heavy Press Tonnage Setup
Dial in the exact 110 to 150 mm extend position on a large metal-forming press during initial tooling setup without machining custom spacer collars.
Automotive Assembly Line Stops
Modify the end-of-stroke stopping point for varying chassis sizes on a conveyor line, using the external M36x2.0 adjuster thread for rapid product changeover.
Large Fixture Clamping
Accommodate different casting heights during clamping operations by tuning the extend stroke on the machine, relying on the 2050 kgf max push to secure heavy workpieces.
Is the Airtac ACQJ125~160 Adjustable Compact Cylinder ACQJ160X150-40SB the Right Cylinder?
For 0.5 MPa operations needing less push force, the 140 mm bore provides 7696.9 N, whereas this 160 mm unit delivers 10053.1 N. If your application never requires end-position adjustments, a fixed-stroke ACQ cylinder will suffice. When ordering this adjustable version, confirm the 160 mm bore, 150 mm full stroke, 40 mm adjuster window, the -S magnet, and the -B male 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 ACQJ160X150-40SB FAQ
At 0.5 MPa, the push force is 10053.1 N and the pull force is 9424.8 N. At 0.7 MPa, the push force is 14074.3 N, with a maximum push of 2050 kgf at 1.0 MPa. The full stroke is 150 mm with a 40 mm adjustable window, giving a usable extend range of 110 to 150 mm. The piston rod is 40 mm, the port is PT3/8, the male rod-end thread is M36x1.5, and the external adjuster thread is M36x2.0.
No, adjusting the external stop only shortens the extend stroke length; it does not alter the piston area, so the force remains identical to a standard ACQ. Deceleration is handled by fixed elastomer bumpers at both ends, not adjustable air cushions. For high-speed or high-energy loads, an external shock absorber is recommended. Additionally, a plain ACQ-type cylinder will drift on air loss, so an external rod lock or pilot-operated check valve is required for fail-safe load holding.
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