Airtac Adjustable Cylinder SAIJ32 SAIJ32BX450-50S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX450-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 450mm 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
- Stroke450 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX450-50S
The AirTAC SAIJ32X450-50-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It features a SUS304 stainless steel rod and a PT tapered port. With a nominal stroke of 450 mm and a 50 mm adjustment range, it provides a usable travel window of 400 to 450 mm for precise end-position tuning.
Delivering 402 N of push force at 0.5 MPa, this 32 mm bore cylinder integrates a magnet for CMSE or DMSE sensors. The extruded aluminum barrel includes sensor grooves on both sides. The rear adjuster acts purely as a travel stop to dial in the exact end position without adding external stops.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX450-50S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX450-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 450 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 SAIJ32BX450-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×450 | 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 SAIJ32BX450-50S Is Used
Machine Setup Tuning
Dial in the exact 400 to 450 mm end position during commissioning without machining external stoppers or changing the cylinder.
Product Size Changeover
Adjust the retract stop on the fly when switching between product sizes on a packaging line, saving changeover time.
Variable End Stops
Use the 50 mm adjustment window to compensate for mechanical wear or material thickness variations over time.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX450-50S the Right Cylinder?
Choose this 32 mm bore model when you need 402 N of push force at 0.5 MPa and prefer to fine-tune the end stop at commissioning rather than swapping to a fixed-stroke SAI cylinder. If your application requires less force, stepping down is not an option in this series, but stepping up to a 40 mm bore yields 628 N. Because the stroke is 450 mm, an external guide is recommended to manage side load on the unsupported rod.
The rear adjuster and air cushions only decelerate the travel end; they do not hold the load without live air. For load-holding without pneumatic pressure, use an SAIL lock, BSAI clamp-lock, or external rod lock. This SAIJ model supports mounting sets Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
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 SAIJ32BX450-50S 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 at 0.9 MPa.
The rear adjuster screw acts as a mechanical stop that lets you trim the effective stroke back by up to 50 mm, creating a 400 to 450 mm usable travel window without replacing the cylinder.
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