Airtac Adjustable Cylinder SAIJ32 SAIJ32BX150-75
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX150-75 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 SAIJ32BX150-75
The AirTAC SAIJ32X150-75 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel down by up to 75 mm, creating a 75-150 mm usable window for precise end-position tuning. Delivering 402 N of push force at 0.5 MPa, this 32 mm bore unit utilizes a PT tapered port and an SUS304 stainless steel rod for superior corrosion resistance in harsh environments. The extruded aluminum barrel includes sensor grooves on both sides, ready for CMSE or DMSE switches if position feedback is later required.
The integrated rear screw functions strictly as a mechanical stop to dial in the travel end during commissioning or product changeover, eliminating the need to swap the cylinder or bolt on external stops. It is important to note that this adjuster and the variable air cushions decelerate the load but do not hold it without live air; for true load-holding without pressure, consider the SAIL or BSAI series. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX150-75 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX150-75 |
|---|---|
| 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 SAIJ32BX150-75
| 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 SAIJ32BX150-75 Is Used
Machine Setup Tuning
Dial in the exact 75-150 mm end-stop during initial machine commissioning without physically swapping out the cylinder for a shorter unit.
Product Changeover
Quickly adapt the retract position on a packaging line when handling different carton sizes, using the rear screw to shift the travel window on the fly.
Variable End Stops
Achieve precise mechanical end-position limits in light-force assembly stations where standard fixed strokes lack the necessary flexibility.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX150-75 the Right Cylinder?
Choose this 32 mm bore adjustable-stroke cylinder when your application requires fine-tuning of the retract end within a 75-150 mm window, rather than committing to a fixed 150 mm stroke standard SAI model. If your machine requires higher thrust, stepping up to the 40 mm bore provides 628 N of push force at 0.5 MPa, but the 32 mm bore with its 12 mm rod and M10x1.25 thread is ideal for lighter, compact assemblies. Because the stroke is 150 mm, the 12 mm rod offers reasonable side-load capacity, though any long unsupported stroke still necessitates an external guide to prevent premature wear. This configuration features PT ports and an SUS304 stainless steel rod, making it directly interchangeable with ISO 15552 mounting interfaces.
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 SAIJ32BX150-75 FAQ
At 0.5 MPa operating pressure, the 32 mm bore 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 acts as a mechanical stop, allowing you to shorten the nominal 150 mm stroke by up to 75 mm. This creates a usable travel window of 75-150 mm to fine-tune the end position without changing the cylinder.
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