Airtac Adjustable Cylinder SAIJ32 SAIJ32BX350-75
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX350-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 350mm 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
- Stroke350 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX350-75
The AirTAC SAIJ32X350-75 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 350 mm stroke that can be dialed back by up to 75 mm, creating a precise 275-350 mm usable travel window for product changeovers. Within its 32 mm bore, it delivers 402 N of push force at 0.5 MPa, utilizing a PT G1/8 port and a 12 mm SUS304 stainless steel rod.
This variant uses a stainless steel rod for superior corrosion resistance, operating at speeds of 30-800 mm/s with variable air cushions at both ends. The rear adjustment screw functions strictly as a mechanical stop to fine-tune the retract position without adding external stops, but it does not hold the load dynamically without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX350-75 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX350-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 350 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 SAIJ32BX350-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×350 | 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 SAIJ32BX350-75 Is Used
Product Changeover
Dial in the 275-350 mm travel window during format changes to accommodate different package lengths without replacing hardware.
Variable End Stops
Set precise retract positions for sorting diverters on a conveyor line, fine-tuning the stop point at commissioning.
Machine Setup
Eliminate the need to bolt on external physical stops during initial machine setup by using the built-in 75 mm adjuster.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX350-75 the Right Cylinder?
Choose this 32 mm bore when you need 402 N push force at 0.5 MPa with on-the-fly end-position tuning; step up to the 40 mm bore if your application requires 628 N. The 75 mm adjustment window is ideal for machines running multiple product sizes, allowing you to shorten the stroke without swapping the cylinder. For load-holding without continuous air pressure, select the SAIL or BSAI series instead, as the SAIJ adjuster is only a travel stop.
Because this model features a 350 mm stroke, the 12 mm rod requires external guiding to prevent excessive side-loading and premature seal wear. It is dimensionally interchangeable per ISO 15552 and uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB, CA, CB, and CR options. Configuration specifics: PT tapered port threads, SUS304 rod material, and no sensor magnet.
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 SAIJ32BX350-75 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 0.7 MPa, the push force increases to 563 N.
The rear adjuster acts as a mechanical stop that lets you shorten the effective stroke from 350 mm down to as little as 275 mm. It decelerates the travel end but does not lock the load without live air pressure.
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