Airtac Adjustable Cylinder SAIJ32 SAIJ32AX850-50S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX850-50S 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 SAIJ32AX850-50S
The AirTAC SAIJ32X850-50-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing an 800 to 850 mm usable travel window. Delivering 563 N of push force at 0.7 MPa, it utilizes a SUS420J2 stainless steel rod (code A) for enhanced corrosion resistance. The integrated magnet (-S) supports position sensing.
This model features PT tapered ports and an extruded aluminum barrel with sensor grooves on both sides. The rear stopper allows precise end-position tuning during commissioning without adding external stops, while the adjustable air cushions manage deceleration at both ends.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX850-50S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX850-50S |
|---|---|
| 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 SAIJ32AX850-50S
| 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 SAIJ32AX850-50S Is Used
Variable End-Stop Machining
Dial in the exact 800-850 mm clamping reach during machine setup to accommodate different part lengths without swapping cylinders.
Product Changeover Diverters
Quickly adjust the retract position on packaging lines to handle varying box sizes on the fly using the 50 mm tuning window.
Commissioning Fine-Tuning
Trim the effective stroke by up to 50 mm at startup to perfectly align tooling interfaces without machining external spacers.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX850-50S the Right Cylinder?
Choose this 32 mm bore cylinder when an application requires 563 N push force at 0.7 MPa with a variable end-stop. If less force is needed, a smaller bore is preferable; if higher payload capacity is required, stepping up to a 40 mm bore yields 879 N at the same pressure. Because the stroke is 850 mm, an external guide is strongly recommended to prevent excessive side-loading on the rod.
The rear adjuster acts solely as a travel stop and does not hold the load without live air pressure; for secure load-holding, consider an external rod lock or the SAIL series. For ISO 15552 replacement matching, specify: 32 mm bore, 850 mm nominal stroke, 50 mm adjustment, PT port thread, Basic/FA/LB/TC/FTC/TCM1/TCM2 mounting, and a magnet for CMSE or DMSE sensors.
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 SAIJ32AX850-50S FAQ
At 0.5 MPa, it provides 402 N push and 345 N pull force. At 0.7 MPa, the push force increases to 563 N, with a maximum push force of 724 N at 0.9 MPa.
The rear adjuster screw allows you to shorten the 850 mm nominal stroke by up to 50 mm, creating an 800 to 850 mm adjustable travel window. It functions as a mechanical stop and does not lock the load without air pressure.
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