Airtac Adjustable Cylinder SAIJ32 SAIJ32BX850-75
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX850-75 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 SAIJ32BX850-75
The AirTAC SAIJ32X850-75 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 back the extend position by up to 75 mm during commissioning without adding external stops. In the 32 mm bore class, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa.
This unit is built with a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR styles.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX850-75 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX850-75 |
|---|---|
| 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 SAIJ32BX850-75
| 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 SAIJ32BX850-75 Is Used
Machine Setup Calibration
Fine-tune the 775-850 mm extend position during initial machine commissioning to perfectly set the working gap without swapping hardware.
Product Changeover
Quickly adjust the end-stop by up to 75 mm when running a new product size on a packaging line, minimizing downtime.
Variable End Positioning
Dial in the exact retract stop point for delicate operations where a fixed 850 mm stroke would cause mechanical interference.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX850-75 the Right Cylinder?
Choose this 32 mm bore cylinder when your application requires 402 N of push force at 0.5 MPa. If you need more power, stepping up to the 40 mm bore yields 628 N of push force. The adjustable stroke is selected over a fixed SAI model when you need variable end-stops for product changeovers. Because the 850 mm stroke is long, the 12 mm rod requires an external guide to prevent excessive side-loading.
This SAIJ32X850-75 is dimensionally interchangeable with ISO 15552 cylinders. It features a PT port thread, lacks a magnet for sensors, and uses the standard SAIJ mounting set. The rear adjuster acts only as a travel stop and does not hold the load without live air; for true load-holding, consider the SAIL or BSAI 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 SAIJ32BX850-75 FAQ
At 0.5 MPa, this 32 mm bore cylinder provides a push force of 402 N and a pull force of 345 N. At the maximum operating pressure of 1.0 MPa, it delivers up to 801 N of push force.
The rear adjuster screw allows you to shorten the effective stroke by up to 75 mm. This creates a usable travel window of 775 to 850 mm, letting you set the exact end position without modifying the cylinder mount.
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