Airtac SCJ32 Standard Cylinder SCJ32X125-10
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X125-10 is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 10 mm range without swapping the cylinder. Ø32mm bore, 125mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke125 mm
- Stroke adjust-10 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X125-10
The SCJ32X125-10 is a double-acting, single-rod pneumatic cylinder with a rear-cap adjusting screw that provides up to 10 mm of fine-tuned stroke-end adjustment. This allows machine builders to dial in the exact stopping position without swapping the cylinder or adding external hard stops, which is especially useful during commissioning or for taking up mechanical wear. With a 32 mm bore and a 12 mm piston rod, it delivers 402 N of push force at 0.5 MPa, making it a compact yet capable actuator for light positioning tasks.
The cylinder body length (A dimension) is 182 mm, and it features a standard PT1/8 port with an M10x1.25 rod thread. Its adjustable air cushion, with a 21 mm cushion length, decelerates the piston smoothly at the end of travel. This model is configured with a basic mount, TPU seals for a standard temperature range of -20 to +70 °C, and PT threads, providing a straightforward, ready-to-install solution for adjustable-stroke applications.
Airtac SCJ32 Standard Cylinder SCJ32X125-10 Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X125-10 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 125 mm |
| Stroke adjustment | Up to 10 mm (rear adjusting screw) |
| Acting type | Double acting (single rod) |
| Port size | PT1/8 |
| Rod thread | M10×1.25 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 21 mm |
| Max stroke | Up to 1000 mm |
Specifications follow the official AirTAC SCJ (adjustable-stroke) datasheet. The rear adjusting screw sets the stroke end position; force is the same as the equivalent single-rod SC bore. Confirm against the product label before installation. Thread options: PT (standard) / G.
Theoretical Output Force (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
SCJ is single-rod, so force matches the equivalent SC bore: push uses the full bore area, pull subtracts the rod area. Actual usable force is lower than theoretical due to friction and back-pressure; size with a safety margin.
Model Code: Airtac SCJ32 Standard Cylinder SCJ32X125-10
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×125 | Nominal (maximum) stroke length in mm. |
| -10 | Adjustable-stroke range in mm (options 10/20/30/40/50/75/100). |
| -S | Optional built-in magnet for sensor position sensing. |
Related types: SC (single rod, fixed stroke), SCD (double rod), SCT (multi-position). SCJ mounting: Basic, FA, LB, TC, TCM1. Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac SCJ32 Standard Cylinder SCJ32X125-10 Is Used
Commissioning & Setup
The 10 mm adjustment screw allows technicians to fine-tune the end-of-stroke position during initial machine setup without changing the cylinder, saving significant time on light assembly and packaging lines.
Wear Compensation
In clamping or pressing fixtures, the adjustable stroke can be used to take up slack from worn tooling or workpieces, maintaining consistent contact force without reprogramming the machine's controller.
Product Format Changeover
Quickly adjust a stop gate or diverter's travel for different product sizes on a conveyor. The 125 mm stroke with 10 mm of fine adjustment handles a wide range of small to medium-sized items.
Is the Airtac SCJ32 Standard Cylinder SCJ32X125-10 the Right Cylinder?
Choose the SCJ32X125-10 when your application requires a 125 mm nominal stroke with the ability to shorten the stroke end by up to 10 mm in the field. If you need more force, stepping up to the 40 mm bore provides 628 N of push force at the same 0.5 MPa pressure. For applications where the stroke length is fixed and will never need adjustment, the standard SC32X125 fixed-stroke cylinder is a more economical choice. If the load needs to be held in position when air pressure is removed, an external rod lock or a pilot-operated check valve must be added to the circuit, as the cylinder's air cushion and adjusting screw do not provide any holding or braking function.
To replace an existing unit, match the 32 mm bore, 125 mm nominal stroke, and 10 mm adjustment range exactly. Ensure the port thread is PT and that the mounting style matches your machine's requirements. This basic mount version uses the cylinder body for direct mounting, but FA front flange or LB foot mounts are available as accessories using the F-SC32FA or F-SC32LB part codes if needed.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-10)
- ✓ Required force at your working pressure
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Set the rear adjusting screw, then lock it before running.
- check Adjust end cushion screws for smooth stops.
- check Use SCJ mounting accessory (FA / LB / TC / TCM1).
- check Installation by qualified personnel per AirTAC docs.
Airtac SCJ32 Standard Cylinder SCJ32X125-10 FAQ
At the standard 0.5 MPa operating pressure, it provides 402 N of pushing force and 345 N of pulling force. The maximum push force at 0.9 MPa is 724 N. The pull force is lower due to the area of the 12 mm piston rod.
You can, but only if you need the adjustable stroke feature. The SCJ32X125-10 has a slightly longer body to house the rear adjusting screw. If you do not need to adjust the stroke end, the fixed-stroke SC32X125 is a direct dimensional match for other SC cylinders and is more cost-effective.
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