Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-50 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 SAIJ32BX115-50
The AirTAC SAIJ32X115-50 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a nominal 115 mm stroke that can be dialed back by up to 50 mm, yielding a usable travel window of 65-115 mm to perfect end positions without external stops. Delivering 402 N of push force at 0.5 MPa, it suits lighter-duty tasks. The extruded aluminum barrel includes sensor grooves on both sides for flexible detection mounting.
This variant uses a SUS304 stainless steel rod for superior corrosion resistance and features PT tapered port threads. The rear adjustment screw acts purely as a mechanical stop to set deceleration and travel limits; it does not hold the load without live air pressure. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-50 |
|---|---|
| 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 SAIJ32BX115-50
| 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 SAIJ32BX115-50 Is Used
Machine Changeovers
Dial in the 65-115 mm travel window during product size transitions to set new end positions without physically replacing the cylinder.
End-Position Trimming
Use the rear stopper screw to fine-tune the final retract position during commissioning, absorbing mechanical tolerances in the fixture.
Light Assembly Automation
Leverage the 402 N push force at 0.5 MPa for compact pressing and indexing tasks where exact stroke limits are critical.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-50 the Right Cylinder?
Choose this 32 mm bore when your application requires 402 N of push force at 0.5 MPa. If your setup needs less force, dropping to a 20 mm bore is not an option in this series, but stepping up to a 40 mm bore yields 628 N. The 50 mm adjustment range is ideal for machine changeovers, allowing you to reposition the end-stop quickly rather than swapping to a fixed-stroke SAI cylinder. Because the rear adjuster is a stop and not a lock, use a SAIL or BSAI cylinder if you need fail-safe load holding without continuous air pressure. For ISO 15552 replacement, match the 115 mm stroke, 50 mm adjuster, PT port, and SUS304 rod.
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 SAIJ32BX115-50 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can reach up to 724 N of push force at 0.9 MPa.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective stroke from 115 mm down to 65 mm. It sets the travel end and deceleration point but does not lock the load in place without live air pressure.
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