Airtac SCJ32 Standard Cylinder SCJ32X350-50S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X350-50S 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, 350mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke350 mm
- Stroke adjust-50 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X350-50S
The SCJ32X350-50S is a double-acting, single-rod pneumatic cylinder with a 50 mm field-adjustable stroke range, letting you fine-tune the end position without removing the cylinder. With a 32 mm bore and 12 mm rod, it delivers 402 N of push force at 0.5 MPa, making it a precise actuator for light automation tasks where stroke length needs on-machine calibration.
This model features a built-in magnet (S suffix), allowing direct mounting of CMSG/DMSG/EMSG sensors for reliable end-of-stroke detection. The rear adjusting screw shortens the stroke end within the 50 mm range, while the 21 mm air cushion decelerates the piston smoothly. The body length A(SCJ) is 182 mm, and the standard PT1/8 port and M10x1.25 rod thread keep integration simple.
Airtac SCJ32 Standard Cylinder SCJ32X350-50S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X350-50S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 350 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 SCJ32X350-50S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×350 | 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 SCJ32X350-50S Is Used
Commissioning & Setup
The 50 mm adjust screw allows technicians to precisely set the actuator's end-stop during machine setup, eliminating the need for custom spacer blocks or shims.
Product Changeover
On packaging lines, quickly adjust the stroke of a diverter or pusher to handle different box sizes without mechanical modifications, reducing downtime between batches.
Sensor Calibration
The built-in magnet (S-suffix) works with CMSG/DMSG sensors to confirm the adjusted stroke end, providing closed-loop feedback for automated calibration routines.
Is the Airtac SCJ32 Standard Cylinder SCJ32X350-50S the Right Cylinder?
Choose the SCJ32X350-50S when you need to dial in a precise stroke end during commissioning or for format changes. If you require more force, step up to the 40 mm bore (628 N push at 0.5 MPa). For applications where the stroke is fixed and never needs adjustment, the standard SC32X350 is a simpler, cost-effective alternative. This SCJ model replaces another AirTAC SCJ32 with a 350 mm nominal stroke, 50 mm adjust range, PT ports, basic mounting, and a magnet.
At 350 mm of stroke, the extended rod can experience side-loading or bending if not guided externally. For such cases, consider adding an external linear guide or switching to a guided cylinder to protect the rod bearing and seal life.
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 SCJ32X350-50S FAQ
At 0.5 MPa, the push force is 402 N and the pull force is 345 N. The maximum push force at the 0.9 MPa operating limit is 724 N. Because it is a single-rod cylinder, the push force is higher than the pull force.
A rear-cap screw mechanically limits the piston's stroke end within a 50 mm range from the nominal 350 mm. Choose the SCJ when you anticipate needing to fine-tune the stroke on the machine for setup, wear compensation, or format changes. If the stroke is permanently fixed, the standard SC32 is a simpler option.
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