Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-30
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 120mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ32 mm
- Stroke120 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-30
The AirTAC SAIJ32X120-30 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. With a nominal 120 mm stroke and a 30 mm adjustment range, it provides a usable travel window of 90-120 mm. This allows you to dial in the exact retract end-position at commissioning without swapping hardware. Delivering 402 N of push force at 0.5 MPa, it suits light-duty positioning tasks.
This 32 mm bore model features a 12 mm carbon steel rod and M10x1.25 threading. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE or DMSE switches. It supports a speed range of 30-800 mm/s and uses a PT G1/8 port. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-30 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 120 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| 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, 27 mm |
| Max stroke | Up to 1000 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
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 | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×120 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-30 Is Used
Machine Setup Tuning
Fine-tune the 90-120 mm retract position during initial commissioning to perfect pick-and-place trajectories without machining external stoppers.
Product Size Changeover
Quickly adapt the cylinder stroke on packaging lines that process varying container sizes, using the rear screw to set new end-stops in seconds.
Light Assembly Positioning
Leverage the 402 N push force at 0.5 MPa to drive small actuators and stops in electronic assembly, adjusting travel for different board widths.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-30 the Right Cylinder?
Choose this 32 mm bore adjustable cylinder when you need variable end-stops for product changeovers rather than a fixed-stroke SAI. If your application requires higher thrust, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa. Because the 120 mm stroke is under the 300 mm side-load threshold, the 12 mm rod handles standard loads well, but unsupported heavy masses still require an external guide.
To match this ISO 15552 cylinder, specify a 32 mm bore, 120 mm nominal stroke, 30 mm adjustment range, PT G1/8 port, and no magnet. The mounting set is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. For applications that must hold position without continuous air, select a SAIL or BSAI lock model instead, as the SAIJ adjuster is not a brake.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-30 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can reach up to 724 N of push force at 0.9 MPa.
The rear adjuster screw lets you mechanically shorten the 120 mm nominal stroke by up to 30 mm, creating a 90-120 mm travel window. It functions as a hard stop to set the end position and is not a lock that holds the load without air.
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