Airtac SCJ32 Standard Cylinder SCJ32X125-10S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X125-10S 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 SCJ32X125-10S
The SCJ32X125-10S is a compact 32 mm bore double-acting cylinder that lets you fine-tune the stroke end by up to 10 mm with a rear adjusting screw, eliminating the need for external hard stops during commissioning. Its 12 mm piston rod delivers 402 N of push force at 0.5 MPa, making it a precise actuator for light clamping, sorting gates, and small-part positioning where the final stop point must be dialled in on the machine.
This model includes a built-in magnet (S suffix), so CMSG/DMSG/EMSG solid-state or reed sensors clamp directly onto the tie-rod barrel for reliable end-of-stroke detection. The body length A(SCJ) is 182 mm, and the standard PT1/8 port keeps the pneumatic connections compact. The adjustable cushion decelerates the piston smoothly at both ends, protecting the end cap from impact over millions of cycles.
Airtac SCJ32 Standard Cylinder SCJ32X125-10S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X125-10S |
|---|---|
| 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 SCJ32X125-10S
| 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 SCJ32X125-10S Is Used
Commissioning Fine-Tuning
Dial in the exact stroke end on a packaging machine flap folder without swapping cylinders or machining hard stops, using the 10 mm rear screw adjustment.
Small-Part Ejector
Adjust the retract stop on a pick-and-place ejector to accommodate slight variations in part thickness, with sensor confirmation via the built-in magnet.
Diverter Gate Actuator
Set the open position of a light-duty conveyor diverter gate precisely, compensating for wear or product format changes over time.
Is the Airtac SCJ32 Standard Cylinder SCJ32X125-10S the Right Cylinder?
Choose the SCJ32 when you need a light-force cylinder with field-adjustable stroke end. If 402 N push is marginal, step up to the SCJ40, which provides 628 N push at the same 0.5 MPa pressure. For applications where the stroke never needs on-machine adjustment, the fixed-stroke SC32 is a simpler, slightly shorter alternative. This SCJ32X125-10S directly replaces another AirTAC SCJ32 with a 125 mm nominal stroke, 10 mm adjust range, PT1/8 port, and built-in magnet; always match the mounting accessory if one is fitted. At 125 mm stroke, rod bending is not a concern for purely axial loads, but add an external guide if the load applies any side force.
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 SCJ32X125-10S FAQ
At 0.5 MPa, the push force is 402 N and the pull force is 345 N (reduced by the 12 mm rod area). At the maximum operating pressure of 0.9 MPa, push force reaches 724 N. The theoretical maximum at 1.0 MPa is 804 N.
Yes, if you need the 10 mm stroke-end adjustability. The SCJ32X125-10S has the same bore, rod, port, and mounting interfaces as the SC32, but the body is slightly longer (182 mm A-length) to house the adjusting screw. Ensure the extra length fits your machine envelope.
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