Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 350mm 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
- Stroke350 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-50
The AirTAC SAIJ32X350-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel anywhere within a 300 to 350 mm window. Utilizing a 32 mm bore, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa. The PT tapered port threads and SUS420J2 stainless steel rod provide durable, corrosion-resistant operation in demanding environments.
Because the adjuster acts purely as a mechanical stop for the retract end, it cannot hold a load without continuous live air pressure. This extruded aluminum barrel includes sensor grooves on both sides, allowing you to easily add CMSE reed or DMSE electronic switches if position feedback is later required.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 350 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 SAIJ32AX350-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×350 | 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 SAIJ32AX350-50 Is Used
Product Size Changeovers
Quickly dial in the 300 to 350 mm stroke window during production line changeovers to accommodate varying package lengths without changing hardware.
End-Position Calibration
Fine-tune the retract stop during machine commissioning to achieve exact positioning, compensating for mechanical tolerances without adding external stops.
Assembly Tooling
Provide adaptable actuation on automated assembly stations where the rear stopper must be tweaked for different workpiece heights across multiple product variants.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-50 the Right Cylinder?
Choose this 32 mm bore adjustable-stroke cylinder when your application requires precise end-position tuning during commissioning or frequent product-size changeovers, avoiding the need to physically swap out a fixed-stroke SAI cylinder. If your setup needs greater thrust, stepping up to a 40 mm bore yields 628 N of push force at 0.5 MPa. For this 350 mm stroke length, the 12 mm rod and M10x1.25 thread should be paired with an external guide to prevent excessive side-loading on the piston.
To achieve a direct ISO 15552 replacement, match the 32 mm bore, 350 mm nominal stroke, 50 mm adjustment range, PT port thread, and standard mounting interface. SAIJ supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR brackets. Remember that for load-holding without live air pressure, you must integrate an external rod lock or switch to an AirTAC SAIL or BSAI series cylinder.
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 SAIJ32AX350-50 FAQ
At a 0.5 MPa operating pressure, this 32 mm bore cylinder generates 402 N of push force and 345 N of pull force. If operated at 0.7 MPa, the push force increases to 563 N.
The rear adjuster screw allows you to shorten the effective travel by up to 50 mm. This creates a usable stroke window between 300 mm and 350 mm, enabling precise end-position tuning at commissioning. The adjuster acts only as a travel stop and does not lock the load without live air.
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