Airtac Adjustable Cylinder SAIJ32 SAIJ32AX35-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX35-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 35mm 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
- Stroke35 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX35-20
The AirTAC SAIJ32X35-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It delivers 402N of push force at 0.5MPa, with a nominal 35mm stroke that can be fine-tuned down by up to 20mm, creating a usable travel window of 15-35mm. This adjustability allows you to dial in the exact end position during commissioning without swapping out the cylinder or adding external stops.
Equipped with a SUS420J2 stainless steel rod (code A) and PT tapered ports, this 32mm bore unit operates at speeds of 30-800mm/s. The rear adjuster acts purely as a travel stop to set the retract position and does not hold the load without live air pressure. For load-holding requirements without continuous air, consider the SAIL or BSAI series instead.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX35-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX35-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 35 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 SAIJ32AX35-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×35 | 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 SAIJ32AX35-20 Is Used
End-Position Tuning
Dial in the exact retract distance between 15 and 35mm during machine setup to accommodate varying material thicknesses without external stops.
Product Changeover
Quickly adjust the stroke window on packaging lines when switching between different product sizes, minimizing downtime.
Short-Stroke Clamping
Utilize the 402N push force at 0.5MPa for precise clamping tasks where the exact travel distance must be micro-adjusted on-site.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX35-20 the Right Cylinder?
Choose this 32mm bore cylinder when you need precise 15-35mm end-position tuning for short-stroke tasks. If your application requires less force, stepping down is not an option below 32mm in this range, but stepping up to a 40mm bore provides 628N of push force at 0.5MPa. The SAIJ is selected over a fixed-stroke SAI when product changeovers demand variable end-stops on the same machine.
To match this ISO 15552 cylinder for a replacement, verify the 32mm bore, 35mm stroke, 20mm adjustment range, PT port thread, and the specific mounting style (Basic, FA, LB, TC, FTC, TCM1, or TCM2). Note that this configuration omits the -S magnet, so position sensing via CMSE or DMSE switches is not supported without a model change.
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 SAIJ32AX35-20 FAQ
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective travel from the nominal 35mm down to a minimum of 15mm, providing a 15-35mm usable window. It only sets the end position and does not lock the load without live air pressure.
At 0.5MPa operating pressure, the SAIJ32X35-20 provides 402N of push force and 345N of pull force. If operated at 0.7MPa, the push force increases to 563N.
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