Airtac Adjustable Cylinder SAIJ32 SAIJ32AX850-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX850-50 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 SAIJ32AX850-50
The AirTAC SAIJ32X850-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that trims the effective travel. With a nominal 850mm stroke and a 50mm adjustment range, it provides a usable travel window of 800 to 850mm for precise end-position tuning at commissioning. It delivers 402N of push force and 345N of pull force at 0.5 MPa, operating efficiently between 30 and 800 mm/s.
This unit is configured with a SUS420J2 stainless steel rod (option A) for enhanced corrosion resistance and PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches, though this specific SKU is supplied without a magnet. The rear adjuster acts strictly as a travel stop to decelerate the piston, meaning it will not hold a load without continuous live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX850-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX850-50 |
|---|---|
| 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 SAIJ32AX850-50
| 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 SAIJ32AX850-50 Is Used
Variable End-Stop Tuning
Dial in the exact retract position from 800 to 850mm during machine commissioning to accommodate different product lengths without swapping cylinders.
Long-Stroke Diversion
Pushes items across a wide conveyor belt, using the rear adjuster to fine-tune the extension distance based on varying package widths.
Product Changeover Setup
Quickly adjust the travel end-point on automated assembly lines when switching between product variants, avoiding mechanical teardown.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX850-50 the Right Cylinder?
Selecting this 32mm bore cylinder makes sense when an application requires a long 850mm stroke but demands exact end-position calibration without adding external physical stops. If your process needs higher clamping power, stepping up to the 40mm bore neighbor yields 628N of push force at 0.5 MPa. Because the stroke is 850mm, the 12mm diameter rod is highly susceptible to side-loading and deflection; an external guide rail is strongly recommended to prevent premature seal wear and binding.
For drop-in ISO 15552 interchangeability, match the 32mm bore, 850mm stroke, 50mm adjustment range, PT port threads, and your required mounting bracket from the SAIJ subset (Basic, FA, LB, TC, FTC, TCM1, TCM2). If your machine requires true load-holding without live air, a standard SAIJ will not suffice; consider the SAIL air-released lock or BSAI clamp-lock series instead.
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 SAIJ32AX850-50 FAQ
At 0.5 MPa operating pressure, this 32mm bore cylinder provides 402N of push force and 345N of pull force. At the maximum 1.0 MPa pressure, it achieves 82 kgf.
The rear adjuster screw allows you to shorten the 850mm nominal stroke by up to 50mm, giving an adjustable travel window of 800 to 850mm. This stopper fine-tunes the end position but does not lock or hold the load without live air pressure.
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