Airtac Adjustable Cylinder SAIJ32 SAIJ32AX400-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX400-40 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 SAIJ32AX400-40
The AirTAC SAIJ32X400-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 360-400mm usable travel window. Delivering 402N of push force at 0.5MPa, it allows precise end-position tuning at commissioning without swapping the cylinder or adding external stops. The PT tapered ports and M10x1.25 rod thread ensure straightforward integration.
This model uses a SUS420J2 stainless steel rod (option A) for improved corrosion resistance. The rear adjuster acts strictly as a travel stop to set deceleration, not a lock, so it will not hold the load without live air. For load-holding needs, consider the SAIL or BSAI series instead.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX400-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX400-40 |
|---|---|
| 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 SAIJ32AX400-40
| 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 SAIJ32AX400-40 Is Used
Machine Setup Calibration
Fine-tune the 360-400mm travel window during initial commissioning to perfectly dial in the end-stop position without external spacers.
Product Changeover Lines
Quickly adjust the stroke length on packaging lines when handling different product sizes, using the 40mm rear trim range.
Variable End-Stop Positioning
Dial back the nominal 400mm stroke to 360mm to accommodate varying material lengths or push distances on the fly.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX400-40 the Right Cylinder?
Choose this 32mm bore when an application requires 402N push force at 0.5MPa and exact end-position flexibility. If you need more force, stepping up to the 40mm bore yields 628N. The 40mm adjustment range is perfect for machine setups requiring variable end-stops during product changeovers. Since this is a 400mm stroke, an external guide is highly recommended to prevent excessive side-loading on the M10x1.25 rod.
When matching ISO 15552 dimensions, specify a 32mm bore, 400mm stroke, 40mm adjustment, PT port threads, and no magnet. The mounting set is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB and CA options.
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 SAIJ32AX400-40 FAQ
At 0.5MPa operating pressure, this 32mm bore cylinder provides 402N of push force and 345N of pull force. It reaches 724N push force at 0.9MPa.
The rear adjuster screw allows you to shorten the effective travel from the nominal 400mm down to 360mm. This stopper fine-tunes the retract end position but does not lock the load without live air pressure.
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