Airtac SCJ32 Standard Cylinder SCJ32X275-30
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X275-30 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, 275mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke275 mm
- Stroke adjust-30 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X275-30
The SCJ32X275-30 is a double-acting, single-rod pneumatic cylinder with a rear-cap adjusting screw that lets you shorten the stroke end by up to 30 mm in the field. With a 32 mm bore and 12 mm rod, it delivers 402 N of push force at 0.5 MPa, making it a compact workhorse for light positioning and clamping tasks where fine mechanical adjustment is needed during commissioning.
This tie-rod cylinder has a PT1/8 port, an M10x1.25 rod thread, and a 21 mm air cushion to decelerate the piston quietly. The body length A(SCJ) is 182 mm for the base model, and the standard stroke range for this bore extends to 1000 mm, so the requested 275 mm stroke is well within standard limits. The default configuration uses a TPU seal, PT threads, and basic mounting.
Airtac SCJ32 Standard Cylinder SCJ32X275-30 Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X275-30 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 275 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 SCJ32X275-30
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×275 | 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 SCJ32X275-30 Is Used
Commissioning Fine-Tuning
Dial in the exact end-stop position during machine setup without fabricating new hard stops. The 30 mm adjustment range lets technicians quickly compensate for assembly tolerances.
Light Part Staging
Adjust the push stroke for different product widths on a small conveyor line. The 402 N force at 0.5 MPa is ideal for staging and diverting lightweight packages.
Wear Take-Up on Clamps
As clamp pads wear, the stroke-end screw can be advanced to restore clamping force without replacing the cylinder, reducing downtime on repetitive fixturing stations.
Is the Airtac SCJ32 Standard Cylinder SCJ32X275-30 the Right Cylinder?
Step up to the 40 mm bore if you need more force; the SCJ40 delivers 628 N push at 0.5 MPa. For fixed, repeatable strokes that never change, the standard SC series eliminates the adjusting screw and is slightly shorter overall. If your 275 mm stroke introduces a side load, consider an external guide rail or switch to a guided cylinder to protect the rod bearing.
For a direct replacement, match the 32 mm bore, 275 mm nominal stroke, and 30 mm adjustment range (-30). Ensure the port thread is PT, the mounting style is basic, and that any magnet option matches your sensor setup. This is a genuine AirTAC SCJ adjustable-stroke cylinder.
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 SCJ32X275-30 FAQ
At 0.5 MPa, the push force is 402 N and the pull force is 345 N. The pull force is lower because the 12 mm rod reduces the effective piston area on the retract side. At the maximum operating pressure of 0.9 MPa, push force reaches 724 N.
Yes, if you need the ability to fine-tune the stroke end. The SCJ32X275-30 has the same bore, rod, and port size, but the body is slightly longer to house the adjusting screw. Ensure the 30 mm adjustment range is sufficient for your application.
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