Airtac SEJ Adjustable Cylinder SEJ32X75-10S
The AirTAC Airtac SEJ Adjustable Cylinder SEJ32X75-10S is a genuine double-acting ISO 15552 double-rod cylinder with a mechanically ADJUSTABLE stroke: a back-rod stop screw lets you fine-tune the retract end over a 10mm window, so this Ø32mm unit covers an effective stroke of 65–75mm without changing cylinders. Force is equal in both directions.
- BoreØ32 mm
- Nominal stroke75 mm
- Adjust window10 mm
- Effective stroke65–75 mm
- Port sizePT1/8
- CushionAdjustable, 27 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SEJ Adjustable Cylinder SEJ32X75-10S
The AirTAC SEJ32X75-10S is a double-acting, double-rod ISO 15552 profile cylinder with a 10mm adjustable stroke window, yielding an effective travel of 65 to 75mm. A rod exits both ends, ensuring the annular area remains identical for equal thrust in both directions, delivering 345 N each way at 0.5 MPa. The integrated -S magnet enables position detection using CMSE reed or DMSE electronic sensors.
You dial in the retract endpoint via a stop screw on the back rod, allowing precise mechanical tuning of the final position on your machine without rewriting control logic. The extruded aluminum barrel omits external tie rods for a clean profile, and field-adjustable air cushions at both ends decelerate the load near stroke ends. Remember that the cushion and stop screw set the mechanical end; they do not function as a fail-safe lock to hold the load upon air loss.
Airtac SEJ Adjustable Cylinder SEJ32X75-10S Technical Specifications
| Model | Airtac SEJ Adjustable Cylinder SEJ32X75-10S |
|---|---|
| Series | SEJ ISO 15552 adjustable-stroke cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 75 mm |
| Adjustment window | 10 mm (65–75 mm) |
| Configuration | Double rod, double acting |
| Port size | PT1/8 |
| Rod thread | M10×1.25 |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C (0–150 °C with FKM seals) |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 27 mm |
Specifications follow the official AirTAC SEJ datasheet and ISO 15552 / VDMA 24562 dimensions. The adjustment screw shortens the retract end only; do not exceed the 10mm window. Port options: PT (standard) / G (BSPP).
Theoretical Output Force (Ø32mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 346 N |
| 0.7 MPa | 484 N |
| Max (@1.0 MPa) | 70 kgf |
A rod exits both ends, so extend and retract force are identical. Actual usable force is lower than theoretical; size with a safety margin.
Model Code: Airtac SEJ Adjustable Cylinder SEJ32X75-10S
| SEJ | ISO 15552 double-rod double-acting cylinder with adjustable stroke. |
|---|---|
| 32 | Bore size in mm. |
| ×75 | Nominal stroke length in mm. |
| -10 | Adjustment stroke window in mm (options: 10/20/30/40/50/75/100). |
| -S | Optional built-in magnet for CMSE / DMSE sensor sensing. |
Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B). Seals: TPU (blank) / FKM high-temp (H) / NBR (N). Thread: PT (blank) / G. Mounting (SEJ): Basic, LB, FA, TC, FTC, TCM1, TCM2. Related: SED (double rod, fixed stroke), SE (single rod).
Where the Airtac SEJ Adjustable Cylinder SEJ32X75-10S Is Used
Pick-and-Place Height Calibration
Dial the 10mm retract window to perfectly match varying component thicknesses on a pick-and-place unit, using the equal 345 N both-way force to lift and place reliably.
Forming Pin Depth Setting
Fine-tune the pressing depth of a small assembly pin on the machine without reprogramming the PLC, locking the back-rod stop screw once the 65-75mm travel is perfected.
Conveyor Changeover Stops
Adjust the mechanical stop position on a packaging conveyor during product format changes, relying on the double-rod design for consistent speed and force during retraction.
Is the Airtac SEJ Adjustable Cylinder SEJ32X75-10S the Right Cylinder?
Verify that the 10mm adjustment window covers your required positioning range; if you need a wider tuning band, consider a larger -20 or -30 window option. This 32mm bore provides 345 N both ways at 0.5 MPa; if your application requires less force, the neighboring 25mm bore (not in this series) would be smaller, but stepping up to the 40mm bore yields 528 N both ways at 0.5 MPa. If you do not need variable end-positioning, a fixed-stroke SED cylinder offers a shorter overall length. For ISO 15552 replacements, match the 32mm bore, 75mm stroke, PT1/8 port, and mounting choice from the Basic, FA, LB, TC, FTC, TCM1, or TCM2 set. At 75mm stroke, side loads are minimal, but always guide external loads to prevent rod binding.
Quick checklist
- ✓ Need on-machine stroke fine-tuning?
- ✓ Adjustment window (10mm) covers your range
- ✓ Equal force both directions OK
- ✓ Port/thread type (PT/G)
- ✓ Magnet (-S) for CMSE/DMSE 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 stop screw within the 10mm window; lock it after adjusting.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (LB/FA/TC/FTC/TCM1/TCM2).
- check Installation by qualified personnel per AirTAC docs.
Airtac SEJ Adjustable Cylinder SEJ32X75-10S FAQ
A stop screw on the rear rod mechanically limits the retract stroke. For this SEJ32X75-10S model, you can dial the retract end up to 10mm, giving an effective stroke range of 65 to 75mm. You lock the screw after setting the exact end position required for your machine.
Because it is a double-rod cylinder, the force is identical in both directions. It delivers 345 N at 0.5 MPa, 483 N at 0.7 MPa, and a maximum of 70 kgf at 1.0 MPa.
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