Airtac SCJ32 Standard Cylinder SCJ32X80-50N
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X80-50N 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, 80mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke80 mm
- Stroke adjust-50 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X80-50N
The SCJ32X80-50N is a double-acting, single-rod pneumatic cylinder with a field-adjustable stroke, allowing the stroke end position to be fine-tuned within a 50 mm range via the rear-cap adjusting screw. This model delivers 402 N of push force at 0.5 MPa and features a 12 mm diameter rod with M10x1.25 threads.
Equipped with NBR (nitrile) seals, this cylinder is suited for standard temperature applications. The tie-rod design and 21 mm air cushion at each end ensure reliable deceleration, while the PT1/8 port provides straightforward pneumatic connection.
Airtac SCJ32 Standard Cylinder SCJ32X80-50N Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X80-50N |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 80 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 SCJ32X80-50N
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×80 | 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 SCJ32X80-50N Is Used
Commissioning Fine-Tuning
The 50 mm adjust range lets technicians dial in the exact stroke end position during machine setup without swapping cylinders or machining external stops.
Wear Take-Up on Stops
On packaging lines, the adjustable screw can compensate for wear on mechanical end-stops over time, maintaining precise product placement.
Format Changeovers
Quickly adapt the cylinder stroke for different product sizes on a single machine, reducing changeover time between batches.
Is the Airtac SCJ32 Standard Cylinder SCJ32X80-50N the Right Cylinder?
For applications requiring slightly more force, stepping up to the SCJ40 series provides 628 N of push force at 0.5 MPa. If the stroke does not need field adjustment, a fixed-stroke SC32 cylinder offers a simpler, more compact alternative. This SCJ32X80-50N is a direct replacement for an AirTAC SCJ cylinder of the same 32 mm bore, 80 mm nominal stroke, 50 mm adjust range, NBR seals, and PT ports. For strokes of 300 mm or more, consider an external guide or a guided cylinder to manage side loads and prevent rod bending.
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 SCJ32X80-50N FAQ
At 0.5 MPa, this cylinder provides 402 N of push force and 345 N of pull force. The maximum push force at the 0.9 MPa operating limit is 724 N.
Yes, provided your existing cylinder has the same 32 mm bore, 80 mm nominal stroke, 50 mm adjustable range, NBR seals, and PT ports. The body length for this SCJ32 is 182 mm; confirm this matches your mounting space.
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