Airtac Adjustable Cylinder SAIJ32 SAIJ32BX85-10S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX85-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 85mm 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
- Stroke85 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX85-10S
The AirTAC SAIJ32X85-10-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a nominal 85mm travel but includes an external stopper that allows you to trim the effective stroke back by up to 10mm, creating a precise 75-85mm usable window for fine-tuning end positions at commissioning. With a 32mm bore, it delivers 402N of push force at 0.5MPa.
This specific SKU is built with a SUS304 stainless steel rod (option B) for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, and because this model includes a magnet (-S), it directly supports AirTAC CMSE reed and DMSE solid-state sensors. The rear adjuster acts only as a travel stop to set deceleration and cannot hold a load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX85-10S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX85-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 85 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 SAIJ32BX85-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×85 | 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 SAIJ32BX85-10S Is Used
Machine Changeover
Dial in the 75-85mm stroke window during product-size changeovers without replacing the cylinder or adding external shims.
End-Position Tuning
Fine-tune the exact retract end-position at commissioning to perfect a 32mm bore assembly process.
Test Fixture Setup
Use the SUS304 rod and adjustable stop to precisely set variable travel limits in corrosion-resistant testing rigs.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX85-10S the Right Cylinder?
Choose this 32mm bore adjustable cylinder when your application requires exact end-position tuning without swapping out physical components or adding external stops; if your travel is fixed, a standard SAI cylinder is simpler. If you need more force, stepping up to the 40mm bore increases push thrust to 628N at 0.5MPa. To replace this cylinder, match the 32mm bore, 85mm stroke, 10mm adjustment range, PT port thread, and the -S magnet requirement.
Remember that the SAIJ mounting set is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR brackets. For any load-holding requirements during air loss, pair this cylinder with an external rod lock or pilot-operated check valve, or look to the SAIL or BSAI series, as the adjuster here is strictly a stop, not a lock.
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 SAIJ32BX85-10S FAQ
At 0.5MPa operating pressure, this 32mm bore cylinder provides 402N of push force and 345N of pull force. It can reach up to 724N push force at 0.9MPa.
The rear adjuster screw acts as a mechanical stop that lets you shorten the 85mm nominal stroke by up to 10mm, providing a usable travel window of 75-85mm. It only sets the end position and does not lock the load without live air.
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