Airtac Adjustable Cylinder SAIJ32 SAIJ32AX300-50S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX300-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 300mm 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
- Stroke300 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX300-50S
The AirTAC SAIJ32X300-50-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 250 to 300 mm. Delivering 402 N of push force at 0.5 MPa, this compact unit is designed for applications requiring exact end-position tuning without swapping hardware. The integrated -S magnet enables direct position feedback via CMSE reed or DMSE electronic solid-state sensors housed in the dual-side barrel grooves.
This model features a SUS420J2 stainless steel rod for superior corrosion resistance and utilizes PT tapered port threads with a G1/8 connection. The rear stopper screw allows you to dial back the stroke by up to 50 mm during commissioning or product changeovers, acting purely as a travel deceleration point rather than a load lock.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX300-50S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX300-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 300 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 SAIJ32AX300-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×300 | 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 SAIJ32AX300-50S Is Used
Product Changeover
Dial in the 250-300 mm travel window on the fly to accommodate varying package sizes without retooling the entire machine.
End-Position Tuning
Fine-tune the exact retract position during machine commissioning using the rear stopper, ensuring precise placement without external shims.
Sensor Feedback
Leverage the built-in magnet with DMSE electronic sensors to confirm end-of-stroke positions within automated assembly lines.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX300-50S the Right Cylinder?
Selecting the SAIJ32X300-50-S is ideal when you need precise end-stop flexibility on a 300 mm stroke, avoiding the hassle of adding external stops or changing cylinders for product size changeovers. If your application requires greater thrust, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa. For a direct ISO 15552 interchange, match the 32 mm bore, 300 mm stroke, 50 mm adjustment, PT ports, SUS420J2 rod, and -S magnet.
Because this cylinder features a 300 mm stroke on a 32 mm bore, the 12 mm rod and M10x1.25 thread should be paired with an external guide to prevent excessive side loading. Remember that the rear adjuster and air cushions only set the travel end; they do not hold the load without live air. For load-holding requirements without pneumatic pressure, consider an AirTAC SAIL or BSAI cylinder.
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 SAIJ32AX300-50S FAQ
The rear adjuster acts as a mechanical stop that allows you to shorten the effective stroke by up to 50 mm. This creates a usable travel window of 250 to 300 mm, enabling fine-tuning of the end position during setup or product changeovers without replacing the cylinder.
At an operating pressure of 0.5 MPa, the SAIJ32X300-50-S provides 402 N of push force and 345 N of pull force. At the maximum pressure of 1.0 MPa, it can deliver up to 82 kgf of thrust.
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