Airtac Adjustable Cylinder SAIJ32 SAIJ32AX850-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX850-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 850mm 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
- Stroke850 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX850-75S
The AirTAC SAIJ32X850-75-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 775 to 850 mm, allowing you to dial in the exact retract position during machine commissioning without adding external stops. The 32 mm bore generates 402 N of push force at 0.5 MPa, making it suited for lighter-duty positioning tasks.
This variant includes a standard magnet (-S) for use with AirTAC CMSE reed and DMSE solid-state sensors housed in the dual-side barrel grooves. The piston rod utilizes SUS420J2 stainless steel for improved corrosion resistance, and the PT tapered port threads match the G1/8 interface. Because the 850 mm stroke is long for a 32 mm bore, an external guide is recommended to manage side loads.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX850-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX850-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 850 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 SAIJ32AX850-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×850 | 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 SAIJ32AX850-75S Is Used
Machine Changeover
Fine-tune the retract distance by up to 75 mm to accommodate different product lengths on a packaging line without physically swapping the cylinder.
Variable End Stops
Dial in the exact 775 to 850 mm travel window during line setup to perfect the transfer position of delicate components.
Sensor Integration
Use the integrated magnet with DMSE solid-state sensors in the barrel grooves to confirm position across the extended 850 mm travel.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX850-75S the Right Cylinder?
Choose this adjustable model when your assembly requires precise end-position tuning on a long-stroke, lightweight actuator. If you need greater thrust, stepping up to a 40 mm bore raises the 0.5 MPa push force to 628 N, but the 32 mm bore offers a more compact ISO 15552 footprint. The rear adjuster acts purely as a mechanical stop; it does not hold the load without live air. For positive holding without pressure, select a SAIL or BSAI series cylinder instead.
This SKU serves as a direct ISO 15552 mounting-interface replacement for machines needing a 32 mm bore, 850 mm nominal stroke, 75 mm adjustment range, PT port threads, and an integrated magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, deliberately omitting FB, CA, CB, and CR brackets. For strokes of 850 mm, external rod guidance is highly recommended to prevent deflection.
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 SAIJ32AX850-75S FAQ
At 0.5 MPa operating pressure, the 32 mm bore provides 402 N of push force and 345 N of pull force. It can reach a maximum push force of 724 N at 0.9 MPa.
The rear adjuster screw allows you to shorten the effective stroke by up to 75 mm, creating a usable travel window of 775 to 850 mm. It functions as a mechanical stop for end-position tuning and is not a lock.
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