Airtac Adjustable Cylinder SAIJ32 SAIJ32BX950-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX950-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 950mm 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
- Stroke950 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX950-20
The AirTAC SAIJ32X950-20 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to fine-tune the end position. It provides a usable travel window of 930 to 950 mm, letting you dial back the stroke by up to 20 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 corrosion resistance and uses a PT tapered port thread. As a profile cylinder, it features an extruded aluminum barrel with sensor grooves on both sides. It supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR styles.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX950-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX950-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 950 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 SAIJ32BX950-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×950 | 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 SAIJ32BX950-20 Is Used
Machine Changeover
Dial in the exact 930-950 mm end position during product size changes without swapping the cylinder or adding external mechanical stops.
Diverting Mechanism
Fine-tune the retract distance on a long-stroke diverter arm to accommodate varying package lengths on the fly.
End-Stop Calibration
Trim the stroke by up to 20 mm at commissioning to perfect the tooling contact point, preventing impact damage to the load.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX950-20 the Right Cylinder?
Choose this 32 mm bore if your application requires around 402 N of push force at 0.5 MPa; stepping down is not an option, but stepping up to a 40 mm bore yields 628 N if your payload increases. An adjustable stroke is ideal for machine setups requiring variable end-stops or product changeovers, saving you from swapping a fixed-stroke SAI cylinder. For your 950 mm stroke, the 12 mm rod and M10x1.25 thread provide a baseline, but this long unsupported length demands an external guide to handle side loads.
This cylinder does not hold loads without live air pressure, as the rear adjuster is a travel stop, not a lock. For dead-end holding, consider an external pilot-operated check valve or the SAIL lock cylinder. Configuration: 32 mm bore, 950 mm stroke, 20 mm adjust, PT port, SUS304 rod, no magnet, SAIJ mounting set.
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 SAIJ32BX950-20 FAQ
At 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can reach up to 724 N of push force at 0.9 MPa.
The rear adjuster screw acts as a stop that lets you shorten the effective travel from 950 mm down to 930 mm. It sets the end position but does not lock the load without live air pressure.
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