Airtac Adjustable Cylinder SAIJ32 SAIJ32BX90-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX90-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 90mm 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
- Stroke90 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX90-75S
The AirTAC SAIJ32X90-75-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It features a 32mm bore, delivering 402N of push force at 0.5 MPa, and uses a PT tapered port with an M10x1.25 rod thread. An integrated magnet allows position sensing via CMSE reed or DMSE electronic switches.
The rear adjustment screw provides up to 75mm of stroke trimming, creating a usable travel window of 15-90mm for this 90mm nominal stroke. This built-in adjuster acts purely as a mechanical stop to fine-tune end positions during commissioning; it does not lock or hold the load without live air pressure. The extruded aluminum barrel includes sensor grooves on both sides, and the rod is constructed from SUS304 stainless steel for corrosion resistance.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX90-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX90-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 90 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 SAIJ32BX90-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×90 | 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 SAIJ32BX90-75S Is Used
Machine Setup Tuning
Dial in the exact retract position within the 15-90mm window during initial commissioning without machining new hard stops.
Product Changeover
Quickly adapt the end-of-stroke position on a packaging line when switching to a different product size.
Variable End Stops
Use the 75mm adjustment range to vary the clamping or pressing depth on test fixtures without replacing the cylinder.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX90-75S the Right Cylinder?
Choose this 32mm bore adjustable-stroke cylinder when your application requires exact end-position tuning without adding external stops or swapping components. If your setup needs less force, there is no smaller standard ISO bore in this range, but if you need higher thrust, stepping up to a 40mm bore yields 628N of push force at 0.5 MPa. The SAIJ series supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. For load-holding without live air, select a SAIL or BSAI cylinder instead, as the adjuster here is only a travel stop. To replace an ISO 15552 unit, match the 32mm bore, 90mm stroke, 75mm adjustment, PT port, desired mounting, and the -S 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 SAIJ32BX90-75S FAQ
At 0.5 MPa operating pressure, this 32mm bore cylinder provides 402N of push force and 345N of pull force. It can reach up to 724N of push force at 0.9 MPa.
The rear adjuster screw allows you to shorten the 90mm nominal stroke by up to 75mm, providing an adjustable travel window of 15-90mm. The adjuster functions as a mechanical stop and does not hold the load without continuous air pressure.
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