Airtac Adjustable Cylinder SAIJ32 SAIJ32BX150-20S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX150-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 150mm 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
- Stroke150 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX150-20S
The AirTAC SAIJ32X150-20-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 130-150 mm, allowing you to dial back the nominal 150 mm stroke by up to 20 mm during commissioning. Built with a SUS304 stainless steel rod and a PT tapered port, it delivers 402 N of push force at 0.5 MPa. The integrated magnet supports CMSE reed and DMSE electronic sensors for exact position feedback.
This adjustable model uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting the FB, CA, CB, and CR brackets found on other variants. The rear adjuster acts purely as a mechanical stop for end-position tuning; it does not hold the load without live air pressure. For load-holding requirements without continuous air, consider the SAIL or BSAI series.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX150-20S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX150-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 150 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 SAIJ32BX150-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×150 | 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 SAIJ32BX150-20S Is Used
Machine Changeover
Dial in the 130-150 mm travel window during product size transitions without physically swapping out the cylinder.
End-Stop Calibration
Fine-tune the retract end position at commissioning using the rear screw, avoiding the need for external mechanical stops.
Assembly Positioning
Achieve precise lower-force movements, using the 402 N thrust at 0.5 MPa to press or index components accurately.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX150-20S the Right Cylinder?
Choose this 32 mm bore when your application requires precise end-position tuning without adding external stops. If your setup needs greater thrust, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa. Conversely, if you need less force, dropping down is an option, but the 32 mm bore offers an excellent balance for compact automation.
Select this adjustable-stroke cylinder over a fixed SAI model when facing frequent product changeovers or when exact end-of-stroke positioning must be dialed in on-site. The PT port thread and SUS304 rod are standard here. Remember that the rear adjuster is a travel stop, not a lock; a plain SAIJ will not hold its position or load without live air. For secure load holding, explore the SAIL lock cylinder or an external pilot-operated check valve.
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 SAIJ32BX150-20S 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 deliver up to 724 N of push force at 0.9 MPa.
The rear adjuster screw lets you shorten the effective travel from the nominal 150 mm down to 130 mm. This creates a 130-150 mm adjustable window, allowing you to set the exact retract end-position without altering the cylinder mounting.
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