Airtac SCJ32 Standard Cylinder SCJ32X150-50SN
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X150-50SN 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, 150mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke150 mm
- Stroke adjust-50 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X150-50SN
The SCJ32X150-50SN is a 32 mm bore double-acting single-rod cylinder with a 50 mm rear stroke-adjustment screw, letting you fine-tune the stroke end on the machine without swapping the cylinder. At 0.5 MPa it delivers 402 N push and 345 N pull, and its 12 mm rod with M10x1.25 thread handles light positioning and clamping tasks.
This model is built with NBR (nitrile) seals for general-purpose air service and includes a built-in magnet, so CMSG/DMSG/EMSG sensors clamp directly onto the tie-rod barrel for end-of-stroke sensing. The PT1/8 port and 21 mm air cushion keep cycle times consistent in compact automation cells.
Airtac SCJ32 Standard Cylinder SCJ32X150-50SN Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X150-50SN |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 150 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 SCJ32X150-50SN
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×150 | 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 SCJ32X150-50SN Is Used
Commissioning & Setup
The 50 mm rear screw lets technicians dial in the exact push stroke during machine commissioning without cutting brackets or adding external hard stops.
Small-Part Diverter Gates
Adjust the gate opening stroke on a packaging line to match different product widths, using the built-in magnet for gate-open confirmation via a DMSG sensor.
Clamping with Depth Control
Set a repeatable clamp depth in a woodworking jig; the 50 mm adjustment compensates for tooling wear or material thickness changes over a production run.
Is the Airtac SCJ32 Standard Cylinder SCJ32X150-50SN the Right Cylinder?
Choose the SCJ32 when a 32 mm bore provides enough force—step up to the SCJ40 (628 N push at 0.5 MPa) if your load exceeds 345 N pull or if you need the M12x1.25 rod thread. For fixed-stroke applications where the 50 mm adjust range is not needed, the standard SC32X150 offers a shorter overall length. This NBR-sealed, magnet-equipped unit directly replaces any SCJ32X150-50SN with the same PT ports and basic mounting; always match bore, nominal stroke, adjust range, and sensor type when replacing. At 150 mm stroke, rod bending is rarely a concern, but if side loads are present, add an external linear guide.
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 SCJ32X150-50SN FAQ
At the standard 0.5 MPa operating pressure, push force is 402 N and pull force is 345 N. At the maximum operating pressure of 0.9 MPa, push force reaches 724 N. The pull force is lower because the 12 mm rod reduces the piston area on the return stroke.
Only if you need the 50 mm stroke-end adjustment. The SCJ body is slightly longer than a fixed-stroke SC of the same nominal stroke (body length A is 182 mm). Ensure your mounting space can accommodate the extra length of the rear adjusting screw mechanism.
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