Airtac SCJ32 Standard Cylinder SCJ32X240-100S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X240-100S is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 100 mm range without swapping the cylinder. Ø32mm bore, 240mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke240 mm
- Stroke adjust-100 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X240-100S
The SCJ32X240-100S is a double-acting, single-rod pneumatic cylinder with a 32 mm bore and a nominal 240 mm stroke, featuring a rear-cap adjusting screw that provides a 100 mm field-adjustable range for fine-tuning the stroke end position. This model includes a built-in magnet, allowing direct mounting of CMSG/DMSG/EMSG sensors for precise position feedback without additional brackets.
Operating on filtered air from 0.15 to 1.0 MPa, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa. The 12 mm diameter piston rod uses an M10x1.25 thread, and the cylinder body has a cushion length of 21 mm with an overall body length A of 182 mm, making it a compact solution for commissioning and format changeovers.
Airtac SCJ32 Standard Cylinder SCJ32X240-100S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X240-100S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 240 mm |
| Stroke adjustment | Up to 100 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 SCJ32X240-100S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×240 | Nominal (maximum) stroke length in mm. |
| -100 | 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 SCJ32X240-100S Is Used
Commissioning Fine-Tuning
Use the 100 mm adjusting screw to precisely set the stroke end during machine setup without fabricating custom mechanical stops, speeding up initial commissioning.
Format Changeover
Quickly adjust the push-out stroke for different product sizes on a packaging line by turning the rear screw, eliminating the need to stock multiple fixed-stroke cylinders.
Wear Compensation
Compensate for tooling wear or seal compression over time by extending the effective stroke end in small increments, maintaining consistent part contact.
Is the Airtac SCJ32 Standard Cylinder SCJ32X240-100S the Right Cylinder?
Choose the SCJ32 when your application requires a force of around 400 N push at standard plant pressure and the ability to dial in the stroke end without swapping the cylinder. If you need more force, stepping up to the SCJ40 provides 628 N push at 0.5 MPa. For applications where the stroke is fixed and never needs adjustment, the standard SC32 fixed-stroke cylinder is a simpler, cost-effective alternative. This model is a direct replacement for an existing AirTAC SCJ32 cylinder with a 240 mm nominal stroke, 100 mm adjust range, PT ports, and a built-in magnet. For strokes of 300 mm or more, consider an external guide or a guided cylinder to protect the 12 mm rod from side loads and bending.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-100)
- ✓ 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 SCJ32X240-100S FAQ
The theoretical push force at 0.5 MPa is 402 N, and the pull force is 345 N (due to the 12 mm rod area reduction). At the maximum operating pressure of 0.9 MPa, the push force reaches 724 N.
The rear-cap screw mechanically limits the piston's stroke end within a 100 mm range from the nominal 240 mm maximum. It does not lock or hold the piston in place; if air pressure is lost, the rod can drift. An external brake or pilot-operated check valve is required for load holding.
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