Airtac SCJ32 Standard Cylinder SCJ32X75-50S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X75-50S 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, 75mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke75 mm
- Stroke adjust-50 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X75-50S
The SCJ32X75-50S is a double-acting, single-rod pneumatic cylinder with a field-adjustable stroke end, letting you fine-tune the 75mm nominal stroke down by up to 50mm without swapping the unit. This model includes a built-in magnet for direct mounting of CMSG/DMSG/EMSG sensors, enabling precise end-of-stroke detection.
With a 32mm bore and 12mm rod, it delivers 402 N of push force at 0.5 MPa and up to 724 N at the maximum 0.9 MPa operating pressure. The PT1/8 port and M10x1.25 rod thread keep it compact for light automation tasks, while the 21mm air cushion provides smooth deceleration.
Airtac SCJ32 Standard Cylinder SCJ32X75-50S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X75-50S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 75 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 SCJ32X75-50S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×75 | 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 SCJ32X75-50S Is Used
Commissioning & Setup
Fine-tune the stroke end position during machine commissioning without needing to order multiple fixed-stroke cylinders, saving setup time.
Light Assembly Stops
Acts as an adjustable hard stop for small part placement, where the 50mm screw range allows for quick format changes between product runs.
Wear Compensation
Adjust the stroke end to compensate for tooling or pad wear over time, maintaining consistent contact without reprogramming the machine controller.
Is the Airtac SCJ32 Standard Cylinder SCJ32X75-50S the Right Cylinder?
Choose the SCJ32 for light push forces up to 402 N at 0.5 MPa. If your application requires more force, step up to the SCJ40, which provides 628 N of push at the same pressure. The 50mm adjustment range on this model is ideal for commissioning trials where the exact stroke end needs to be dialed in on the machine. For applications needing a fixed, non-adjustable stroke, the standard SC series is a more economical choice. A direct replacement must match the 32mm bore, 75mm nominal stroke, 50mm adjust range, PT port, basic mounting, and the -S magnet option.
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 SCJ32X75-50S FAQ
The push force is 402 N at 0.5 MPa and 724 N at 0.9 MPa. The pull force is lower due to the 12mm rod, providing 345 N at 0.5 MPa.
A screw in the rear cap acts as a mechanical stop, shortening the piston's stroke end by up to 50mm from the nominal 75mm. It does not adjust force or speed, only the end position.
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