Airtac Adjustable Cylinder SAIJ32 SAIJ32BX145-75
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX145-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 145mm 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
- Stroke145 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX145-75
The AirTAC SAIJ32X145-75 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It delivers 402N of push force at 0.5 MPa and provides a usable travel window of 70 to 145 mm, letting you dial back the nominal stroke by up to 75 mm during commissioning.
This 32 mm bore unit uses a SUS304 stainless steel rod for superior corrosion resistance and comes with PT tapered ports. The extruded aluminum barrel includes sensor grooves on both sides, ready for CMSE or DMSE switches if a magnet is added later. The rear screw functions purely as a travel stop for end-position tuning, not as a lock to hold loads without air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX145-75 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX145-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 145 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 SAIJ32BX145-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×145 | 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 SAIJ32BX145-75 Is Used
Machine Changeover
Quickly adjust the retract end-stop from 70 to 145 mm when adapting machinery to run a different product size.
End-Position Tuning
Fine-tune the final resting position during commissioning without fabricating custom external stopper blocks.
Variable Assembly Stops
Actuate clamps or stops at varying distances on an assembly line by dialing the rear screw to the exact required travel.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX145-75 the Right Cylinder?
Choose this adjustable model when you need precise end-position tuning without swapping cylinders or adding external stops. If your application requires less force, stepping down is not an option below 32mm, but stepping up to a 40mm bore yields 628N of push force at 0.5 MPa. For load-holding without live air pressure, a standard SAIJ is insufficient; consider an AirTAC SAIL or BSAI lock cylinder instead.
This cylinder is dimensionally interchangeable per ISO 15552. To match this exact configuration, specify a 32mm bore, 145mm stroke, 75mm adjustment, PT ports, SUS304 rod material, and no magnet. Since the 145mm stroke is under 300mm, side-load concerns are minimal, but always ensure the M10x1.25 rod thread is properly aligned to avoid binding.
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 SAIJ32BX145-75 FAQ
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective stroke by up to 75 mm. This creates a usable travel window of 70 to 145 mm, providing flexibility for end-position tuning without replacing the cylinder.
At 0.5 MPa operating pressure, the SAIJ32X145-75 provides 402N of push force and 345N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 82 kgf.
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