Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 350mm 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
- Stroke350 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-75S
The AirTAC SAIJ32X350-75-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to fine-tune the effective travel down from the 350 mm nominal stroke to a precise 275-350 mm window. It delivers 402 N of push force at 0.5 MPa, utilizing a 12 mm carbon steel core rod that is upgraded here with a SUS420J2 stainless steel surface (code A) for superior corrosion resistance.
This variant includes a magnet (-S) for direct compatibility with AirTAC CMSE reed and DMSE electronic sensors, which seat neatly into the extruded aluminum barrel's dual sensor grooves. The rear adjuster functions purely as a mechanical stop for end-position tuning during commissioning; it does not lock the load, meaning live air pressure is required to hold position.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 350 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 SAIJ32AX350-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×350 | 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 SAIJ32AX350-75S Is Used
Product Size Changeover
Dial in the exact end-of-stroke position on packaging lines when switching between different carton widths, using the 75 mm adjustment window to avoid repositioning the cylinder.
Machine Setup Commissioning
Fine-tune the retract end-stop during initial machine build to perfect the timing and alignment of a 350 mm travel motion without adding external stopper blocks.
Variable End-Stop Positioning
Adjust the travel window from 275 to 350 mm on the fly for light-duty clamping or ejecting tasks where the exact contact distance varies by component.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-75S the Right Cylinder?
Choose this 32 mm bore adjustable cylinder when your machine setup requires variable end-stops or frequent product-size changeovers without swapping out the entire physical cylinder. If your application demands greater thrust, stepping up to the 50 mm bore yields 982 N of push force at 0.5 MPa. Because this model features a 350 mm stroke, the extended 12 mm rod and M10x1.25 thread face an increased risk of side-loading; always guide the load externally to prevent binding.
For an exact ISO 15552 dimensional replacement, match the 32 mm bore, 350 mm stroke, 75 mm adjustment range, PT tapered port threads, and the -S magnet option. Remember that the SAIJ mounting set is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting the FB, CA, CB, and CR options. For any load-holding requirements without live air pressure, look instead to the SAIL or BSAI series.
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 SAIJ32AX350-75S FAQ
At a 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. The maximum operating pressure is 1.0 MPa.
A rear adjusting screw acts as a mechanical stop, allowing you to shorten the effective travel from the 350 mm nominal stroke down to a minimum of 275 mm. This creates a 275-350 mm usable window for fine-tuning end positions without replacing the cylinder.
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