Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-30
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-30 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 SAIJ32AX750-30
The AirTAC SAIJ32X750-30 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 750mm travel but integrates an external stopper screw that allows you to fine-tune the effective stroke backward by up to 30mm, creating a 720-750mm usable positioning window. This built-in adjustability is ideal for dialing in exact end positions during commissioning without adding external stops. In the 32mm bore class, it generates 402N of push force and 345N of pull force at 0.5 MPa.
This variant features a SUS420J2 stainless steel piston rod (material code A) for enhanced corrosion resistance compared to standard carbon steel. It uses PT tapered port threads and dual-side sensor grooves on the extruded aluminum barrel. Note that the rear adjuster acts strictly as a travel stop to set deceleration and end-position, not as a locking device; it will not hold a load without live air pressure. For true fail-safe load holding, consider the SAIL or BSAI series instead.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-30 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-30 |
|---|---|
| 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 SAIJ32AX750-30
| 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 SAIJ32AX750-30 Is Used
End-Position Tuning
Dial in the exact retract distance within the 720-750mm window during machine commissioning without installing external physical stops.
Product Changeover
Quickly adapt the cylinder's effective stroke on a packaging line when handling different product sizes or formats.
Long-Stroke Assembly
Utilize the full 750mm travel for automated assembly processes while retaining the ability to trim the stroke by up to 30mm for precise tooling alignment.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-30 the Right Cylinder?
Choose this 32mm bore model when your application requires 402N of push force at 0.5 MPa and precise end-position tuning over a long 720-750mm travel window. If your setup needs significantly more thrust, stepping up to the 40mm bore yields 628N of push force at the same pressure. The adjustable stroke is highly advantageous for product changeovers on a line, allowing you to shift the end-stop without physically swapping the cylinder. When replacing an ISO 15552 cylinder, match the 32mm bore, 750mm stroke, 30mm adjustment, PT port thread, and standard mounting interface.
Because the 750mm stroke is relatively long for a 32mm bore, the 12mm diameter piston rod is susceptible to side-loading and sagging. You must use an external guide to support the load and prevent rod binding. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting the FB, CA, CB, and CR mounts found on some other 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 SAIJ32AX750-30 FAQ
At 0.5 MPa, this 32mm bore cylinder provides 402N of push force and 345N of pull force. At 0.7 MPa, the push force increases to 563N. The standard operating speed range is 30-800 mm/s.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective stroke from the nominal 750mm down to 720mm. This creates a 720-750mm adjustable travel window. The adjuster only sets the travel end and deceleration point; it does not lock or hold the load without continuous air pressure.
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