Airtac Adjustable Cylinder SAIJ32 SAIJ32AX425-10
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX425-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 425mm 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
- Stroke425 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX425-10
The AirTAC SAIJ32X425-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the travel window down to a 415-425 mm range without adding external stops. It delivers 402 N of push force at 0.5 MPa, utilizing a PT G1/8 port and a 12 mm SUS420J2 stainless steel rod for enhanced corrosion resistance.
Because the nominal 425 mm stroke exceeds the 300 mm threshold, an external guide is recommended to prevent excessive side-loading on the rod. The rear adjuster acts strictly as a travel stop for end-position tuning, not a lock, meaning live air pressure is required to hold the load.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX425-10 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX425-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 425 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 SAIJ32AX425-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×425 | 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 SAIJ32AX425-10 Is Used
End-Position Tuning
Dial in the exact 415 to 425 mm travel distance during machine commissioning to accommodate slight mechanical variations without replacing the cylinder.
Product Changeover
Quickly adjust the rear stopper by up to 10 mm on a packaging line when switching to a slightly different product size, minimizing setup downtime.
Variable End Stops
Set a precise retraction limit on automated assembly equipment, using the rear screw to establish a firm, repeatable travel endpoint.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX425-10 the Right Cylinder?
Choose this 32 mm bore when you need precise end-position tuning during machine commissioning or product changeover, stepping up from a smaller unit if you need more than the 402 N push force available at 0.5 MPa. The adjustable 10 mm window is perfect for dialing in exact travel without swapping out a fixed-stroke SAI cylinder.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 425 mm stroke, 10 mm adjustment, PT G1/8 port, and the Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounting footprint. Note that this plain SAIJ model lacks a magnet for sensors; if position feedback is needed, an -S variant with CMSE reed or DMSE electronic sensors is required.
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 SAIJ32AX425-10 FAQ
At a 0.5 MPa operating pressure, 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 allows you to shorten the effective travel by up to 10 mm, creating a 415-425 mm usable window. It acts as a mechanical stop for end-position tuning and does not lock the load without live air pressure.
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