Airtac Adjustable Cylinder SAIJ32 SAIJ32AX850-100
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX850-100 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 SAIJ32AX850-100
The AirTAC SAIJ32X850-100 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, enabling a usable travel window of 750 to 850 mm. Delivering 402 N of push force at 0.5 MPa, it is built with an SUS420J2 stainless steel rod for enhanced corrosion resistance and features a 12 mm rod with an M10x1.25 thread. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting.
Because the nominal 850 mm stroke exceeds standard sizing, this is a made-to-order unit. The rear adjustment screw acts as a mechanical stop to fine-tune the retract end position during commissioning without adding external stops. It uses a PT tapered G1/8 port and offers variable air cushions at both ends to decelerate the load. The adjuster and cushions only manage travel deceleration; they do not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX850-100 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX850-100 |
|---|---|
| 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 SAIJ32AX850-100
| 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 SAIJ32AX850-100 Is Used
Variable End-Stop Tuning
Dial in the exact retract distance from 750 to 850 mm during machine commissioning to accommodate different material lengths without swapping cylinders.
Product-Size Changeover
Quickly adjust the stroke window on packaging or sorting lines to handle varying package dimensions on the fly.
Long-Stroke Positioning
Use the 850 mm travel with rear stopper fine-tuning to accurately position components over an extended range while relying on external guides for side-load support.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX850-100 the Right Cylinder?
Choose this 32 mm bore cylinder when an application requires 402 N of push force at 0.5 MPa alongside a highly variable end-stop. If your process needs less force, stepping down is not an option in this series, but stepping up to a 40 mm bore yields 628 N. The adjustable stroke is ideal for machine setups requiring product-size changeovers, whereas a fixed SAI cylinder is preferred when the end position never changes. For load-holding without live air, select the SAIL or BSAI series instead, as the SAIJ adjuster is a stop, not a lock.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 850 mm stroke, 100 mm adjustment, PT G1/8 port, and the required mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Because the stroke is 850 mm, the 12 mm rod is highly susceptible to side loads; an external guide rail is strongly recommended to prevent rod bending and premature seal wear.
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 SAIJ32AX850-100 FAQ
At 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At 0.7 MPa, the push force increases to 563 N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective stroke from 850 mm down to 750 mm. This provides a 100 mm tuning window for precise end-position setup without needing external stops.
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