Airtac Adjustable Cylinder SAIJ32 SAIJ32AX300-20S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX300-20S 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 SAIJ32AX300-20S
The AirTAC SAIJ32X300-20-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 280-300 mm usable travel window by trimming up to 20 mm off the 300 mm nominal stroke, enabling precise end-position tuning during commissioning. Within its 32 mm bore, it delivers 402 N of push force at 0.5 MPa and accepts PT tapered ports.
This variant features an SUS420J2 stainless steel rod for enhanced durability against moisture. The extruded aluminum barrel includes sensor grooves on both sides, and the integrated magnet (-S) directly supports AirTAC CMSE reed and DMSE solid-state switches. It uses the standard SAIJ mounting subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX300-20S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX300-20S |
|---|---|
| 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 SAIJ32AX300-20S
| 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 SAIJ32AX300-20S Is Used
Machine Commissioning
Fine-tune the 280-300 mm travel window during setup to dial in exact end-of-stroke positions without adding external stopper blocks.
Product Changeover
Quickly adjust the retract position by up to 20 mm on packaging lines when handling slightly different product sizes.
Light Assembly
Provides 402 N of push force at 0.5 MPa for precise pressing or locating tasks requiring variable end-stops.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX300-20S the Right Cylinder?
Choose this 32 mm bore when an application requires 402 N of push force at 0.5 MPa and variable end-stops, avoiding the need to physically swap cylinders for a 20 mm shorter stroke. If your process demands higher thrust, stepping up to the 40 mm bore yields 628 N at 0.5 MPa. Conversely, the rear adjuster acts solely as a travel stop and does not hold the load without live air; for true pneumatic locking without pressure, consider the SAIL or BSAI series.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 300 mm stroke, 20 mm adjustment range, PT ports, and the -S magnet requirement. Because the stroke is 300 mm, the 12 mm rod and M10x1.25 thread handle moderate side loads, but an external guide rail is recommended for long unsupported travel to prevent rod binding.
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 SAIJ32AX300-20S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. The maximum operating pressure is 1.0 MPa.
A rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective travel from 300 mm down to 280 mm. It only sets the end position and does not lock the load without live air pressure.
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