Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-50 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 SAIJ32X115-50
The AirTAC SAIJ32X115-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 65-115mm usable travel window, allowing you to dial back the nominal 115mm stroke by up to 50mm during commissioning. It delivers 402N of push force at 0.5 MPa and uses a standard carbon steel piston rod with M10x1.25 threading.
This model utilizes PT tapered port threads (G1/8) and operates at speeds of 30-800mm/s. Unlike fixed-stroke SAI variants, this adjustable version eliminates the need to swap cylinders or add external stops when fine-tuning end positions. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-50 |
|---|---|
| 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 SAIJ32X115-50
| 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 SAIJ32X115-50 Is Used
Machine Setup Tuning
Fine-tune the 65-115mm retract end position precisely during commissioning without physically swapping out the entire actuator.
Product Changeovers
Quickly adapt the effective stroke on a packaging line to accommodate different carton or box sizes on the fly.
Variable End Stops
Use the 50mm rear adjustment screw to set precise mechanical stops for sub-assembly tooling operations.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-50 the Right Cylinder?
Choose this 32mm bore if your application requires 402N of push force at 0.5 MPa; step down if you need less force, or up to the 40mm bore (628N at 0.5 MPa) for heavier payloads. The 50mm adjustment range is ideal for product-size changeovers on a packaging line. For load-holding without live pressure, use an external rod lock or pilot-operated check valve, as the adjuster is not a brake. The ISO 15552 mounting interface accepts Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
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 SAIJ32X115-50 FAQ
At an operating pressure of 0.5 MPa, this 32mm 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 50mm. This creates a usable travel window of 65-115mm from the nominal 115mm stroke, enabling fine end-position tuning without external stops.
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