Airtac Adjustable Cylinder SAIJ32 SAIJ32BX135-100
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX135-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 135mm 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
- Stroke135 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX135-100
The AirTAC SAIJ32X135-100 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a nominal 135 mm stroke that can be dialed back by up to 100 mm, creating a highly versatile 35-135 mm usable travel window. Delivering 402 N of push force at 0.5 MPa, it is built with an SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered ports.
This adjustable design allows operators to fine-tune end positions at commissioning without swapping cylinders or adding external stops. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement. Remember that the rear adjuster acts only as a travel stop, not a lock, so the load will not be held without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX135-100 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX135-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 135 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 SAIJ32BX135-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×135 | 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 SAIJ32BX135-100 Is Used
Product Changeover
Dial in the exact end-stop for different package lengths on a packaging line without changing out the physical cylinder hardware.
Machine Setup
Fine-tune the 35-135 mm travel window during initial commissioning to perfectly time the engagement of delicate tooling.
Prototyping Cells
Leverage the wide 100 mm adjustment range to test multiple stroke depths rapidly in an R&D environment before finalizing a fixed design.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX135-100 the Right Cylinder?
Choose this 32 mm bore when you need precise positioning of lighter loads up to 402 N at 0.5 MPa, or step up to the 40 mm bore if your application requires 628 N of push force. The massive 100 mm adjustment range makes this specific SKU ideal for prototyping cells or machinery processing varying product sizes on a single line. If you need to hold a load vertically without continuous air pressure, consider the SAIL or BSAI locking cylinders instead.
As a dimensionally interchangeable ISO 15552 profile cylinder, it matches standard mounting footprints. To replace a unit, confirm the 32 mm bore, 135 mm stroke, 100 mm adjustment, PT port thread, and the SUS304 rod material. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because the 135 mm stroke is relatively short, side-load stress is minimal, but external guides are still recommended for heavy lateral loads.
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 SAIJ32BX135-100 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 82 kgf.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective stroke from the nominal 135 mm down to as little as 35 mm. Note that this mechanism only sets the travel end and does not lock the load without live air pressure.
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