Airtac Adjustable Cylinder SAIJ32 SAIJ32AX300-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX300-20 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 SAIJ32AX300-20
The AirTAC SAIJ32X300-20 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It delivers 402N of push force at 0.5 MPa and provides a usable travel window of 280 to 300 mm, letting you dial in the exact retract position without swapping components.
This variant uses an SUS420J2 stainless steel rod for improved corrosion resistance and accepts PT tapered port threads. Because the 300 mm stroke is relatively long for a 32 mm bore, the 12 mm rod should be guided externally to prevent excessive side-loading. The rear screw acts purely as a travel stop and does not lock the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX300-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX300-20 |
|---|---|
| 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 SAIJ32AX300-20
| 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 SAIJ32AX300-20 Is Used
End-Position Tuning
Fine-tune the retract distance within a 280-300 mm window during machine setup to achieve perfect product alignment without external shims.
Product Changeover
Quickly adjust the stroke by up to 20 mm when switching between part sizes on a packaging line, reducing downtime.
Light Assembly Push
Utilize the 402N push force at 0.5 MPa for precise light-duty pressing operations that require exact end-of-stroke positioning.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX300-20 the Right Cylinder?
Choose this 32 mm bore when you need precise retract end-point tuning during machine commissioning or product changeovers, stepping up from a smaller unit or down from a 40 mm bore that yields 628N push at 0.5 MPa. The adjustable window is perfect for dialing in a 280-300 mm travel distance on the fly.
For any 300 mm stroke, ensure external guides support the load to minimize side-load wear on the rod. If your process requires the cylinder to hold its position without continuous air pressure, select a SAIL lock or BSAI clamp-lock cylinder instead, as the SAIJ adjuster is a stop, not a brake. This model uses the standard SAIJ mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ32AX300-20 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402N of push force and 345N of pull force. At 0.7 MPa, the push force increases to 563N.
The rear adjuster screw allows you to shorten the effective stroke by up to 20 mm, creating a 280-300 mm usable travel window. This stopper fine-tunes the end position but does not lock the load without live air pressure.
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Standard models usually ship in 3-4 days.
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