Airtac Adjustable Cylinder SAIJ32 SAIJ32BX425-10
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX425-10 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 SAIJ32BX425-10
The AirTAC SAIJ32X425-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the retract end-position by up to 10 mm. This creates a highly precise 415-425 mm usable travel window, enabling exact positioning at commissioning without adding external stops. It delivers a 0.5 MPa pull force of 402 N and a maximum push force of 724 N at 0.9 MPa, matching the thrust class of the standard SAI series.
This model uses a SUS304 stainless steel piston rod (option B) for superior corrosion resistance and features a PT tapered port thread. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic solid-state switches. Because the stroke is 425 mm, the 12 mm rod should be guided externally to prevent side-load damage on the seals.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX425-10 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX425-10 |
|---|---|
| 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 SAIJ32BX425-10
| 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 SAIJ32BX425-10 Is Used
Machine Commissioning
Dial in the exact 415-425 mm retract position during equipment setup without swapping out the entire cylinder.
Product Changeover
Quickly adjust the end-stop by up to 10 mm on a production line when switching between slightly different product sizes.
Fixture Positioning
Fine-tune the clamping travel on a stainless-rod cylinder used in corrosive or washdown manufacturing environments.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX425-10 the Right Cylinder?
Choose this 32 mm bore when your application requires the 402 N pull force at 0.5 MPa, but you need exact end-position tuning that a fixed-stroke SAI cannot provide. If your process demands higher thrust, stepping up to the 40 mm bore yields a 528 N pull force at the same pressure. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting the FB, CA, CB, and CR brackets.
The rear adjuster on this cylinder acts strictly as a travel stop and deceleration point, not a lock. It will not hold the load without live air pressure. For true pneumatic load-holding, select the SAIL air-released lock or BSAI clamp-lock series instead. When replacing an ISO 15552 cylinder, match the 32 mm bore, 425 mm stroke, 10 mm adjustment, PT port, and desired mounting bracket.
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 SAIJ32BX425-10 FAQ
At a 0.5 MPa operating pressure, this 32 mm bore cylinder provides a push force of 402 N and a pull force of 345 N. At 0.9 MPa, the push force increases to 724 N.
A rear adjusting screw acts as an external stopper, allowing you to shorten the effective stroke by up to 10 mm. This creates a 415-425 mm usable travel window for fine-tuning the retract end position.
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