Airtac Adjustable Cylinder SAIJ32 SAIJ32AX65-50S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX65-50S 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 SAIJ32AX65-50S
The AirTAC SAIJ32X65-50-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that trims the nominal 65 mm travel back by up to 50 mm, yielding a highly versatile 15-65 mm usable window for precise commissioning. It delivers 402 N of push force and 345 N of pull force at 0.5 MPa. The extruded aluminum barrel includes sensor grooves on both sides, and because this unit includes a magnet (-S), it directly supports AirTAC CMSE reed and DMSE electronic solid-state switches for position feedback.
This variant is configured with an SUS420J2 stainless steel rod (option A) for improved corrosion resistance compared to standard carbon steel. The pneumatic supply connects via a PT tapered G1/8 port. It is important to note that the rear adjuster acts strictly as a mechanical stop to dial in the end position without adding external stops; it does not lock the load. For applications requiring true load-holding without live air pressure, consider the SAIL or BSAI series instead.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX65-50S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX65-50S |
|---|---|
| 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 SAIJ32AX65-50S
| 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 SAIJ32AX65-50S Is Used
Product Changeover
Dial in the exact 15-65 mm retract position during format size changes on packaging lines without swapping hardware.
Machine Commissioning
Fine-tune the end-stop during initial setup to perfect timing and avoid crushing delicate components.
Variable End Stops
Adjust the travel window on the fly for short-stroke clamping tasks that require flexible positioning limits.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX65-50S the Right Cylinder?
Choose this 32 mm bore when 402 N of thrust at 0.5 MPa is sufficient, avoiding the excess mass of a 40 mm bore which offers 628 N. The 50 mm adjustment range is exceptionally wide for a 65 mm stroke, making it ideal for prototyping or machines handling frequent product-size changeovers where the exact end-of-stroke position varies continuously. Unlike a fixed-stroke SAI cylinder, this SAIJ model lets you fine-tune the retract position on the fly.
To replace an ISO 15552 cylinder, match the 32 mm bore, 65 mm stroke, 50 mm adjustment range, PT G1/8 port, and the -S magnet. The SAIJ mounting set is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR options. Since the stroke is only 65 mm, the 12 mm rod diameter handles side loads well without needing an external guide.
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 SAIJ32AX65-50S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder generates 402 N of push force and 345 N of pull force. At its maximum 1.0 MPa pressure, it can deliver up to 82 kgf.
The rear adjuster screw acts as a mechanical stop that can shorten the effective stroke by up to 50 mm. This creates a usable travel window of 15 to 65 mm, allowing precise end-position tuning without external stops.
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