Airtac Adjustable Cylinder SAIJ32 SAIJ32AX800-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX800-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 800mm 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
- Stroke800 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX800-20
The AirTAC SAIJ32X800-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel within a 780 to 800 mm window. Equipped with a SUS420J2 stainless steel rod, it delivers a push force of 724 N at 0.9 MPa, making it well-suited for lighter-duty positioning tasks. The extruded aluminum barrel includes sensor grooves on both sides for straightforward detection integration.
This model uses PT tapered port threads and offers variable air cushioning at both ends to manage deceleration over the long 800 mm stroke. The rear adjustment screw acts purely as a travel stop for end-position tuning, meaning it will not hold a load safely without continuous live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX800-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX800-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 800 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 SAIJ32AX800-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×800 | 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 SAIJ32AX800-20 Is Used
Long-Stroke Positioning
Dial in the exact end-of-stroke position within the 780-800 mm window during machine commissioning to accommodate varying product lengths.
Product Changeover
Quickly adjust the rear stopper on a packaging line to handle different carton sizes without physically replacing the actuator.
Sensor Mounting Setup
Utilize the dual-side sensor grooves on the aluminum profile to mount standard switches, ensuring accurate position feedback across the long travel.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX800-20 the Right Cylinder?
Choose this 32 mm bore when an application requires precise end-position tuning over a long 800 mm travel without swapping cylinders or adding external stops. If your setup needs greater thrust, stepping up to the 40 mm bore increases push force to 879 N at 0.7 MPa. Because this cylinder features an 800 mm stroke, an external guide is highly recommended to prevent excessive side-loading on the piston rod.
For an exact ISO 15552 replacement, match the 32 mm bore, 800 mm stroke, 20 mm adjustment range, PT port thread, and required mounting set. Note that SAIJ supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, omitting FB, CA, CB, and CR options. If pneumatic pressure fails and you need true load-holding, consider the SAIL or BSAI series instead of relying on the adjuster.
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 SAIJ32AX800-20 FAQ
At an operating pressure of 0.9 MPa, this 32 mm bore cylinder provides a push force of 724 N and a pull force of 345 N at 0.5 MPa.
The rear adjuster screw allows you to shorten the nominal 800 mm stroke by up to 20 mm, providing a usable travel window of 780 to 800 mm for fine-tuning the retract end position.
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