Airtac SCJ32 Standard Cylinder SCJ32X500-50S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X500-50S 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, 500mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke500 mm
- Stroke adjust-50 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X500-50S
The SCJ32X500-50S delivers up to 402 N of push force at 0.5 MPa in a compact 32 mm bore, with a 12 mm piston rod and PT1/8 ports. Its rear-cap adjusting screw provides a 50 mm field-adjustable stroke-end range, letting you fine-tune the retract position without swapping the cylinder or adding external hard stops.
A built-in magnet (suffix -S) allows CMSG/DMSG/EMSG sensors to clamp directly onto the tie-rod barrel for reliable end-of-stroke detection. The body length A(SCJ) is 182 mm, and the adjustable air cushion decelerates the piston smoothly over the final 21 mm of travel, protecting the end cap during high-cycle operation.
Airtac SCJ32 Standard Cylinder SCJ32X500-50S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X500-50S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 500 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 SCJ32X500-50S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×500 | 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 SCJ32X500-50S Is Used
Commissioning & Setup
The 50 mm rear adjuster lets technicians dial in the exact retract stop during machine commissioning, accommodating stack-up tolerances without re-machining brackets.
Product Changeover
On packaging lines, quickly re-set the stroke end for different box sizes or product formats, minimizing downtime between batches.
Wear Compensation
In clamping or pressing fixtures, the adjustable stroke takes up pad wear over time, maintaining consistent contact force without replacing the cylinder.
Is the Airtac SCJ32 Standard Cylinder SCJ32X500-50S the Right Cylinder?
Choose the SCJ32X500-50S when you need a 500 mm nominal stroke with up to 50 mm of field adjustment at the rear end. If your force requirement grows, step up to the 40 mm bore SCJ40 series, which provides 628 N of push at the same 0.5 MPa pressure. For applications where the stroke is fixed and never needs field tuning, the standard SC32X500 fixed-stroke cylinder is a simpler, lower-cost alternative.
At 500 mm of stroke, be mindful of side-loading on the 12 mm rod. If the load is not guided externally, consider adding an external linear guide or switching to a guided cylinder to prevent rod bending and premature seal wear. This model is a direct replacement for another AirTAC SCJ32X500-50S with PT ports, basic mounting, 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 SCJ32X500-50S FAQ
At the standard 0.5 MPa operating pressure, it generates 402 N of push force and 345 N of pull force (the difference is due to the single 12 mm rod). The maximum push force at 0.9 MPa is 724 N.
Yes, provided your old cylinder is an AirTAC SCJ32 with a 500 mm nominal stroke, 50 mm adjust range, PT ports, basic mounting, and a magnet. The adjustable screw lets you match the exact stroke of your previous setup, but it does not change the cylinder's force rating or bore size.
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