Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 65mm 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
- Stroke65 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-20
The AirTAC SAIJ32X65-20 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, enabling you to dial back the 65 mm nominal travel to a 45-65 mm usable window. It delivers 402 N of push thrust at 0.5 MPa, making it well-suited for compact, low-force positioning tasks. The extruded aluminum barrel features sensor grooves on both sides for straightforward detection mounting.
This SKU features a SUS304 stainless steel piston rod for enhanced corrosion resistance in humid or mildly chemically washed environments. It uses a PT tapered port thread and omits the heavy FB, CA, CB, and CR mounting hardware, retaining the standard Basic, FA, LB, TC, FTC, TCM1, and TCM2 interfaces for broad machine compatibility.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 65 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 SAIJ32BX65-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×65 | 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 SAIJ32BX65-20 Is Used
Precision End-Stop Tuning
Dial in the exact 45-65 mm travel window during machine commissioning to perfect the seating pressure of delicate components without machining external spacers.
Product Changeover Adjustment
Quickly retract the end position by up to 20 mm on packaging lines when switching to a slightly shorter product variant, minimizing line downtime.
Corrosive Environment Actuation
Leverage the SUS304 stainless steel rod for light-duty testing or sorting tasks in wash-down areas where standard carbon steel rods would pit and degrade.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-20 the Right Cylinder?
Select this 32 mm bore when your application requires exact end-position tuning at commissioning without swapping cylinders or adding external stops; a fixed-stroke SAI cannot offer this in-machine flexibility. If your process demands higher clamping or pressing force, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure; for true fail-safe load holding, consider the SAIL or BSAI series instead.
For ISO 15552 replacement matching, verify the 32 mm bore, 65 mm nominal stroke, 20 mm adjustment range, PT port thread, and required mounting hardware. Because the rod diameter is 12 mm with an M10x1.25 thread, it handles moderate side loads, though any long or heavy unsupported tooling should be guided externally to prevent premature seal wear.
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 SAIJ32BX65-20 FAQ
At a 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. The maximum thrust reaches 82 kgf at 1.0 MPa.
A rear external screw acts as a mechanical stopper, allowing you to shorten the effective travel from the 65 mm nominal stroke down to 45 mm. This adjuster sets the retract end position and does not lock or hold the load without continuous air pressure.
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