Airtac SCJ100 Standard Cylinder SCJ100X225-30SH
The AirTAC Airtac SCJ100 Standard Cylinder SCJ100X225-30SH is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 30 mm range without swapping the cylinder. Ø100mm bore, 225mm nominal stroke, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Nominal stroke225 mm
- Stroke adjust-30 mm
- Port sizePT1/2
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SCJ100 Standard Cylinder SCJ100X225-30SH
The SCJ100X225-30SH is a double-acting, single-rod pneumatic cylinder with a field-adjustable stroke, delivering 3927 N of push force at 0.5 MPa. A rear-cap adjusting screw allows you to fine-tune the stroke end by up to 30 mm, making it ideal for commissioning trials or format changeovers without swapping the cylinder. This model is built with a 25 mm piston rod, PT1/2 ports, and a 29 mm air cushion for smooth deceleration.
This -SH variant includes a built-in magnet for mounting CMSG/DMSG/EMSG sensors directly on the tie-rod barrel, and a Viton (FKM) seal that extends the operating temperature range to 0–150 °C for hot or aggressive environments. The body length A(SCJ) is 245 mm, and the cylinder handles a maximum push force of 7068 N at 0.9 MPa. As a genuine AirTAC component, it provides reliable, repeatable performance in demanding industrial settings.
Airtac SCJ100 Standard Cylinder SCJ100X225-30SH Technical Specifications
| Model | Airtac SCJ100 Standard Cylinder SCJ100X225-30SH |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø100 mm |
| Nominal stroke | 225 mm |
| Stroke adjustment | Up to 30 mm (rear adjusting screw) |
| Acting type | Double acting (single rod) |
| Port size | PT1/2 |
| Rod thread | M20×1.5 |
| 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, 29 mm |
| Max stroke | Up to 1500 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 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 SCJ100 Standard Cylinder SCJ100X225-30SH
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×225 | Nominal (maximum) stroke length in mm. |
| -30 | 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 SCJ100 Standard Cylinder SCJ100X225-30SH Is Used
Commissioning & Setup
Fine-tune the end-stop position during machine commissioning by up to 30 mm without removing the cylinder, saving significant setup time on packaging or assembly lines.
High-Temp Material Handling
The Viton seal allows reliable operation in 0–150 °C environments, such as actuating gates or pushers near ovens, dryers, or hot material conveyors.
Wear Compensation
Adjust the stroke end to compensate for mechanical wear on tooling or grippers over time, maintaining precise positioning in clamping or pressing fixtures.
Is the Airtac SCJ100 Standard Cylinder SCJ100X225-30SH the Right Cylinder?
Choose the SCJ100X225-30SH when you need substantial force in the 3900 N class and the ability to dial in the stroke end position on the machine. If your application requires a higher force output, stepping up to the 125 mm bore provides 6136 N of push at 0.5 MPa. For a lighter, more compact solution, the 80 mm bore offers 2513 N. This adjustable-stroke unit is the right pick over a fixed-stroke SC when you anticipate needing to fine-tune the end position during setup or after mechanical wear.
For a direct replacement, match an AirTAC SCJ cylinder with a 100 mm bore, 225 mm nominal stroke, 30 mm adjustable range, PT port thread, and a basic mount. This model's magnet and Viton seal must also be matched for full sensor and temperature compatibility. For this 225 mm stroke, ensure the load is guided externally if significant side forces are present to prevent rod bending.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-30)
- ✓ 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 SCJ100 Standard Cylinder SCJ100X225-30SH FAQ
At 0.5 MPa, the push force is 3927 N and the pull force is 3681 N. The maximum push force at the 0.9 MPa operating limit is 7068 N. The pull force is lower due to the area of the 25 mm piston rod.
A rear-cap screw lets you shorten the stroke end by up to 30 mm. Pick this SCJ model over a fixed-stroke SC cylinder when you need to fine-tune the end position on the machine for setup, format changes, or to take up mechanical wear without dismounting the cylinder.
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