Airtac SCJ32 Standard Cylinder SCJ32X225-50
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X225-50 is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 50 mm range without swapping the cylinder. Ø32mm bore, 225mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke225 mm
- Stroke adjust-50 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X225-50
The SCJ32X225-50 is a double-acting, single-rod pneumatic cylinder with a rear-cap adjusting screw that lets you fine-tune the stroke end by up to 50 mm directly on the machine. With a 12 mm diameter rod and M10x1.25 thread, it delivers 402 N of push force at 0.5 MPa, making it a compact workhorse for light positioning tasks.
The body length A measures 182 mm, and the PT1/8 port supplies air filtered to 40 µm. The adjustable cushion decelerates the piston smoothly, and the screw only sets the end position—it does not alter force or speed. If the load must be held without live pressure, an external lock or pilot-operated check valve is required.
Airtac SCJ32 Standard Cylinder SCJ32X225-50 Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X225-50 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 225 mm |
| Stroke adjustment | Up to 50 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 SCJ32X225-50
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×225 | Nominal (maximum) stroke length in mm. |
| -50 | 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 SCJ32X225-50 Is Used
Commissioning Fine-Tuning
Adjust the stroke end on the fly during machine setup to dial in the exact stopping position without dismounting the cylinder or adding hard stops.
Wear Take-Up
Compensate for tooling or gripper wear over time by tweaking the rear screw, keeping the process in tolerance without reprogramming the controller.
Format Changeover
Quickly adapt to different product sizes on a packaging line by adjusting the stroke end, reducing downtime between batches.
Is the Airtac SCJ32 Standard Cylinder SCJ32X225-50 the Right Cylinder?
Choose the SCJ32X225-50 when you need to dial in the stroke end during commissioning or format changes without swapping the cylinder. If you need more push force, step up to the 40 mm bore (628 N at 0.5 MPa); for a lighter, fixed-stroke option, the SC32 series is a direct fit. For direct replacement, match the 32 mm bore, 225 mm nominal stroke, 50 mm adjust range, PT thread, basic mount, and no magnet. At this 225 mm stroke, watch for side loads—consider an external guide if the rod is unsupported.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-50)
- ✓ 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 SCJ32X225-50 FAQ
At 0.5 MPa, it provides 402 N pushing and 345 N pulling. The push force is higher because the single rod reduces the piston area on the return side.
A screw in the rear cap limits how far the piston extends, shortening the nominal 225 mm stroke by up to 50 mm. It sets the end position only and does not change the cylinder's force or speed.
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