Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-20S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 115mm 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
- Stroke115 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-20S
The AirTAC SAIJ32X115-20-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 95 to 115 mm, allowing you to dial back the nominal 115 mm stroke by up to 20 mm during machine commissioning. This bore size delivers 402 N of push force at 0.5 MPa, making it suitable for light-duty positioning tasks.
Equipped with a standard carbon steel rod and a magnet for position sensing, it works seamlessly with AirTAC CMSE reed and DMSE electronic sensors housed in the dual-side barrel grooves. The cylinder uses PT tapered ports sized G1/8 and supports a speed range of 30-800 mm/s. Its mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR brackets to streamline setup.
Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-20S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 115 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 SAIJ32X115-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×115 | 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 SAIJ32X115-20S Is Used
End-Stop Calibration
Fine-tune the retract distance within the 95-115 mm window during machine setup to perfectly align light-duty pick-and-place movements.
Product Changeover
Rapidly adapt the cylinder's effective stroke on the fly when switching between slightly different product sizes on the same conveyor line.
Light Assembly Positioning
Leverage the 402 N push force and 12 mm rod to execute precise, adjustable travel limits for small component placement and testing fixtures.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-20S the Right Cylinder?
Choose this 32 mm bore when you need precise end-position tuning without swapping out a fixed-stroke SAI cylinder or adding external stops; it is ideal for product changeovers where the exact end-of-stroke varies slightly. If your application requires greater thrust, stepping up to the 50 mm bore yields 982 N of push force at 0.5 MPa. The rear adjuster on this SAIJ model acts strictly as a mechanical stop to set deceleration and travel limits, so it does not hold the load without live air. For true load-holding without continuous pressure, consider an external rod lock, or switch to the SAIL or BSAI series. Configuration details for this SKU include a 115 mm stroke, 20 mm adjustment range, PT ports, and a -S magnet.
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 SAIJ32X115-20S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. If operating at 0.7 MPa, the push force increases to 563 N.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective stroke from the nominal 115 mm down to a minimum of 95 mm. It sets the travel end and deceleration point but does not lock or hold the load without continuous air pressure.
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