Airtac Adjustable Cylinder SAIJ32 SAIJ32BX175-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX175-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 175mm 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
- Stroke175 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX175-20
The AirTAC SAIJ32X175-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the retract end position. It provides a usable travel window of 155 to 175mm, letting you dial in the exact stroke during commissioning without adding external stops. The 32mm bore delivers 402N of push force at 0.5 MPa and up to 724N at 0.9 MPa.
This variant uses a SUS304 stainless steel rod for superior corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. The rear adjuster acts purely as a mechanical stop to set the travel end and does not hold the load without live air pressure; for position holding, consider SAIL or BSAI variants.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX175-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX175-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 175 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 SAIJ32BX175-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×175 | 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 SAIJ32BX175-20 Is Used
Machine Setup Commissioning
Fine-tune the 155-175mm travel window during initial machine commissioning to perfectly align tooling without machining external stopper blocks.
Product Size Changeover
Quickly adjust the retract end position on packaging lines when switching between different product sizes or formats.
Variable End-Stop Positioning
Dial in the exact end-of-stroke contact point for delicate operations where a hard, fixed cylinder stroke might cause damage.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX175-20 the Right Cylinder?
Choose this 32mm bore adjustable-stroke cylinder when your setup requires precise end-position tuning on the fly, such as during product changeovers. If your application needs less force, stepping down is not an option from this size, but if you need more thrust, a 40mm bore provides 628N at 0.5 MPa. The 175mm stroke is standard for this bore, which supports a 30-800 mm/s speed range.
Because the 175mm stroke is under 300mm, side-load risks are moderate, but you should still ensure proper guiding for the 12mm rod. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR. This model is dimensionally interchangeable with ISO 15552 cylinders and uses a PT port thread without a standard 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 SAIJ32BX175-20 FAQ
At 0.5 MPa, this 32mm bore cylinder provides 402N of push force and 345N of pull force. At 0.9 MPa, the push force increases to 724N.
The rear adjuster screw lets you shorten the 175mm nominal stroke by up to 20mm, giving an effective travel range of 155 to 175mm. It functions as a mechanical stop and does not lock the load without air pressure.
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