Airtac Adjustable Cylinder SAIJ32 SAIJ32BX450-100S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX450-100S 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 SAIJ32BX450-100S
The AirTAC SAIJ32X450-100-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the travel window from 350 to 450 mm without external stops. Delivering 402 N of push force at 0.5 MPa, it is built with a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, and the integrated -S magnet works seamlessly with AirTAC CMSE reed and DMSE electronic solid-state switches.
Because the 450 mm stroke is relatively long for a 32 mm bore, the 12 mm carbon steel piston rod and M10x1.25 thread require careful alignment to prevent excessive side-loading. The rear adjuster acts purely as a mechanical stop to set the retract end-position, meaning it cannot hold the load dynamically without live air pressure. For applications requiring true load-holding without continuous air, consider the SAIL or BSAI series instead.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX450-100S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX450-100S |
|---|---|
| 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 SAIJ32BX450-100S
| 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 SAIJ32BX450-100S Is Used
Variable End-Stop Positioning
Ideal for assembly lines where the retract position must be adjusted by up to 100 mm to accommodate different product dimensions without changing the cylinder.
Machine Changeover Setup
Speeds up machine reconfiguration by allowing operators to fine-tune the 350-450 mm travel window directly at the rear adjuster during product transitions.
Corrosive Environment Testing
The SUS304 stainless steel rod makes this 32 mm bore cylinder suitable for lab or testing equipment exposed to moisture, where precise stroke trimming is also required.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX450-100S the Right Cylinder?
Choose this 32 mm bore adjustable-stroke cylinder when your machine setup requires variable end-stops or frequent product changeovers, allowing you to dial in the exact 350-450 mm travel on the fly. If your application demands higher thrust, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa, but if you need less force and a shorter adjustment, the 32 mm bore with a smaller adjustment code is more compact. The SAIJ series supports a mounting subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR mounts found on some fixed-stroke variants.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 450 mm nominal stroke, 100 mm adjustment range, PT port thread, and SUS304 rod material. Because the stroke is 450 mm, ensure an external guide is used to support the load and mitigate side-load stress on the rod. The cylinder operates at speeds of 30-800 mm/s and features variable air cushions at both ends to manage deceleration.
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 SAIJ32BX450-100S FAQ
At an operating pressure of 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At the maximum pressure of 1.0 MPa, it delivers up to 82 kgf.
The rear adjuster screw allows you to mechanically shorten the effective stroke from its 450 mm nominal length down to 350 mm. This stopper only sets the end position and does not lock the load without live air pressure.
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