Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 750mm 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
- Stroke750 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-20
The AirTAC SAIJ32X750-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 730-750mm usable travel window, allowing you to dial in the exact end position during commissioning without adding external stops. The 32mm bore delivers 402N of push force and 345N of pull force at 0.5 MPa.
This unit uses a SUS420J2 stainless steel rod for improved corrosion resistance over standard carbon steel. It includes adjustable air cushions at both ends to decelerate the load, but note that the rear adjuster acts only as a travel stop and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 750 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 SAIJ32AX750-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×750 | 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 SAIJ32AX750-20 Is Used
Variable End Stops
Dial in the 730-750mm retract distance precisely during machine setup to accommodate varying material lengths without changing hardware.
Product Changeover
Quickly adjust the stroke end position by up to 20mm when switching the line to a new product size, minimizing downtime.
Fine Position Tuning
Achieve exact end-position alignment at commissioning using the rear screw, avoiding the need to bolt on physical spacers.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-20 the Right Cylinder?
Choose this 32mm bore when your application requires 402N of push force at 0.5 MPa; step up to the 40mm bore if you need 628N. The 20mm adjustment range is perfect for product changeovers on a line, letting you fine-tune the retract position rather than swapping a fixed-stroke SAI cylinder. For drop-in replacement, match the 32mm bore, 750mm stroke, PT tapered ports, and Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounts.
Because the stroke is 750mm, the 12mm rod and M10x1.25 thread need external guidance to prevent side-load damage over this long unsupported travel. For any load-holding requirements without live air, use an external rod lock or pilot-operated check valve, as the adjuster here 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 SAIJ32AX750-20 FAQ
At 0.5 MPa, this 32mm bore cylinder provides 402N of push force and 345N of pull force. At the maximum operating pressure of 1.0 MPa, it delivers up to 80kgf.
The rear adjuster screw lets you shorten the effective travel from the nominal 750mm down to 730mm, giving a 730-750mm usable window. It acts as a mechanical stop to fine-tune the end position and does not lock the load.
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