Airtac Adjustable Cylinder SAIJ32 SAIJ32BX170-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX170-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 170mm 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
- Stroke170 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX170-40
The AirTAC SAIJ32X170-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel within a 130-170 mm window. It delivers 402 N of push force and 345 N of pull force at 0.5 MPa, making it suitable for lighter-duty tasks requiring precise end-positioning. The barrel is extruded aluminum, not a tie-rod design, and includes sensor grooves on both sides.
This specific SKU is built with a SUS304 stainless steel rod (option B) for superior corrosion resistance and features PT tapered port threads (G1/8). The rear adjuster acts purely as a mechanical stop to dial in the stroke during commissioning; it does not lock the load without live air pressure. For position holding, consider SAIL or BSAI series cylinders.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX170-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX170-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 170 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 SAIJ32BX170-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×170 | 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 SAIJ32BX170-40 Is Used
Machine Changeover
Dial in the exact 130-170 mm stroke length during product size changes on a packaging line without replacing the cylinder.
End-Position Tuning
Fine-tune the retract end-position during machine commissioning to achieve precise mechanical stops without external shims.
Variable End Stops
Adjust the travel limit on the fly for automated assembly equipment that handles multiple part lengths.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX170-40 the Right Cylinder?
Choose this 32 mm bore when your application requires a 130-170 mm stroke window and lower force outputs around 402 N at 0.5 MPa. If your setup demands greater thrust, stepping up to a 40 mm bore increases the push force to 628 N. The adjustable stroke is selected over a fixed SAI cylinder when you need variable end-stops for product changeovers without physically swapping the cylinder or adding external stops.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 170 mm nominal stroke, 40 mm adjustment range, PT port thread, and Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounting style. Because the 170 mm stroke is relatively short, side-load stress is minimal, but always ensure the M10x1.25 rod thread is properly aligned to avoid binding. This unit lacks a magnet, so position sensing requires external switches if needed.
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 SAIJ32BX170-40 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can reach up to 724 N of push force at 0.9 MPa.
The rear adjuster screw acts as a mechanical stop, allowing you to trim the nominal 170 mm stroke back by up to 40 mm, creating a usable travel window of 130 to 170 mm. It only sets the end position and does not hold the load without air pressure.
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