Airtac SCJ32 Standard Cylinder SCJ32X225-30
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X225-30 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. Ø32mm bore, 225mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke225 mm
- Stroke adjust-30 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X225-30
The SCJ32X225-30 is a double-acting, single-rod pneumatic cylinder with a rear-cap adjusting screw that provides up to 30 mm of field-adjustable stroke-end reduction. This allows machine builders to fine-tune the end position without swapping the cylinder or adding external hard stops. It delivers 402 N of push force at 0.5 MPa and 724 N at the maximum operating pressure of 0.9 MPa, making it a compact workhorse for light positioning tasks.
With a 12 mm diameter piston rod and M10x1.25 rod thread, the cylinder is built on a proven tie-rod platform. The 21 mm air cushion at each end decelerates the piston quietly, and the body length A(SCJ) is 182 mm. The standard PT1/8 port and TPU seals suit filtered air from -20 to +70 °C. This is a genuine AirTAC component, ready for immediate integration.
Airtac SCJ32 Standard Cylinder SCJ32X225-30 Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X225-30 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 225 mm |
| Stroke adjustment | Up to 30 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 SCJ32X225-30
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | 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 SCJ32 Standard Cylinder SCJ32X225-30 Is Used
Commissioning & Setup
During machine commissioning, the 30 mm adjust range lets technicians fine-tune the actuator's end stop in seconds with a wrench, eliminating the need to fabricate shims or reposition external sensors.
Small-Part Ejector
In automated assembly, the adjustable stroke compensates for part tolerance stack-up. The 12 mm rod and 402 N push force reliably eject small plastic or metal components from a nest without damaging them.
Wear Take-Up
On a cycling clamp or press, the stroke-end screw can be advanced over the tool's life to compensate for pad wear, maintaining consistent clamping force without reprogramming the PLC or changing the cylinder.
Is the Airtac SCJ32 Standard Cylinder SCJ32X225-30 the Right Cylinder?
Choose the SCJ32 when you need to dial in a precise stroke end on a compact machine. If 402 N of push force at 0.5 MPa is insufficient, stepping up to the SCJ40 provides 628 N at the same pressure. For applications where the stroke is fixed and never needs adjustment, the standard SC32 fixed-stroke cylinder is a simpler, lower-cost alternative. This SCJ32X225-30 is a direct replacement for another AirTAC SCJ32 with a 225 mm nominal stroke and 30 mm adjust range, matching PT ports and basic mounting.
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 SCJ32 Standard Cylinder SCJ32X225-30 FAQ
At 0.5 MPa, the push force is 402 N and the pull force is 345 N. At the maximum operating pressure of 0.9 MPa, push force reaches 724 N. Because it is a single-rod cylinder, the push force is greater than the pull force due to the rod area on the piston.
Yes, if you need the adjustable stroke feature. The SCJ32X225-30 has the same bore, rod size, and port thread as an SC32, but the rear cap includes an adjusting screw that shortens the stroke end by up to 30 mm. Ensure your mounting and space envelope can accommodate the slightly longer SCJ body length of 182 mm.
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