Airtac SCJ32 Standard Cylinder SCJ32X175-50S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X175-50S 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, 175mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke175 mm
- Stroke adjust-50 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X175-50S
The SCJ32X175-50S is a 32mm bore double-acting, single-rod pneumatic cylinder with a rear-cap adjusting screw that provides up to 50mm of field-adjustable stroke-end reduction. This allows fine-tuning of the piston's end position without replacing the cylinder or adding external hard stops, making it ideal for commissioning and format changeovers. The built-in magnet enables direct mounting of CMSG/DMSG/EMSG sensors for precise position feedback.
At 0.5 MPa, this cylinder delivers 402 N of push force and 345 N on the pull stroke, with a maximum push of 724 N at 0.9 MPa. The 12mm diameter piston rod features an M10x1.25 thread, and the body length A is 182mm. It uses PT1/8 ports and operates on 40µm filtered air within a standard temperature range of -20 to +70°C.
Airtac SCJ32 Standard Cylinder SCJ32X175-50S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X175-50S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 175 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 SCJ32X175-50S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×175 | 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 SCJ32X175-50S Is Used
Commissioning & Setup
The 50mm adjustment range lets technicians fine-tune the actuator's end stop during initial machine setup, compensating for assembly tolerances without fabricating custom shims.
Wear Compensation
In high-cycle clamping or pressing fixtures, the stroke can be incrementally extended via the rear screw to maintain consistent contact force as tooling or pads wear down over time.
Format Changeovers
Quickly adapt the cylinder's stroke for different product sizes on a packaging or labeling line by adjusting the rear screw, eliminating the need to swap out the cylinder for each format.
Is the Airtac SCJ32 Standard Cylinder SCJ32X175-50S the Right Cylinder?
Choose the SCJ32X175-50S when you need to precisely dial in a stroke end position on a compact machine. If your application requires more force, stepping up to the SCJ40 bore provides 628 N of push force at the same 0.5 MPa pressure. For applications where the stroke never needs adjustment, a fixed-stroke SC32X175 cylinder is a simpler, more cost-effective alternative. This SCJ model is a direct replacement for another AirTAC SCJ32X175-50S cylinder with PT ports and a magnet.
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 SCJ32X175-50S FAQ
A screw in the rear cap mechanically limits how far the piston can retract. By turning this screw, you can shorten the stroke end by up to 50mm from the nominal 175mm maximum. It adjusts only the stroke end position, not the cylinder's force or speed.
The theoretical 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 area, delivering 345 N at 0.5 MPa. For holding a load without air pressure, an external rod lock or pilot-operated check valve is required.
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