Airtac Adjustable Cylinder SAIJ32 SAIJ32AX400-100
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX400-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 400mm 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
- Stroke400 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX400-100
The AirTAC SAIJ32X400-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. Its 400 mm nominal stroke can be dialed back by up to 100 mm, providing a 300-400 mm usable travel window for precise end-position tuning during commissioning. It delivers 402 N of push force and 345 N of pull force at 0.5 MPa, utilizing a PT tapered G1/8 port.
This variant features a SUS420J2 stainless steel rod for enhanced corrosion resistance. The extruded aluminum barrel includes sensor grooves on both sides, ready for AirTAC CMSE reed and DMSE electronic sensors if a magnet is added later. The rear adjuster acts purely as a mechanical stop to set the travel end and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX400-100 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX400-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 400 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 SAIJ32AX400-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×400 | 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 SAIJ32AX400-100 Is Used
Machine Changeover
Dial in the exact 300-400 mm travel window during product size changeovers without physically replacing the cylinder or adding external stopper blocks.
End-Stop Calibration
Fine-tune the retract end-position at commissioning to dial out mechanical play and ensure precise positioning of the 12 mm rod.
Variable Length Diverter
Adjust the stroke on the fly for a diverter arm handling different package lengths on a packaging line, using the 100 mm trim range.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX400-100 the Right Cylinder?
Choose this 32 mm bore when you need 402 N of push force at 0.5 MPa and a highly flexible end-stop. Stepping up to the 40 mm bore yields 628 N of push force, while dropping below 32 mm limits your thrust further. The 100 mm adjustment range is ideal for variable product sizes or machine changeover, eliminating the need to swap cylinders or bolt on external stops.
Because this cylinder uses a 12 mm rod with an M10x1.25 thread and a 400 mm stroke, it is susceptible to side-loading; an external guide is recommended for the unsupported rod length. For load-holding without live pressure, select a SAIL or BSAI cylinder instead, as the SAIJ adjuster is not a lock. This model is dimensionally interchangeable per ISO 15552 and supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mountings.
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 SAIJ32AX400-100 FAQ
At 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At the maximum 1.0 MPa operating pressure, it delivers up to 82 kgf.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective stroke from 400 mm down to 300 mm. It sets the travel end but does not lock or hold the load without continuous air pressure.
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