Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 375mm 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
- Stroke375 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-50
The AirTAC SAIJ32X375-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 325-375mm usable travel window. Delivering 402N of push force at 0.5 MPa, it integrates a SUS420J2 stainless steel rod for superior corrosion resistance compared to standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement.
Equipped with a PT tapered port and G1/8 threading, this 32mm bore unit operates at speeds of 30-800mm/s. The rear stopper screw allows precise end-position tuning during commissioning without adding external stops, while the variable air cushions decelerate the load at travel ends.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 375 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 SAIJ32AX375-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×375 | 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 SAIJ32AX375-50 Is Used
Product Changeovers
Dial in the 325-375mm travel window instantly during format changes on packaging lines without physically replacing the cylinder.
Machine Setup
Fine-tune the retract end-position during commissioning to achieve precise seating of components without adding external stopper blocks.
Variable End Stops
Adjust the stroke length on the fly for sorting or diverting operations that require different actuation distances based on product size.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-50 the Right Cylinder?
Choose this 32mm bore when an application requires 402N push force at 0.5 MPa with exact end-position tuning; step up to the 40mm bore if you need 628N. The 50mm adjustment range is ideal for product changeovers, letting you dial in the 325-375mm travel window on the fly instead of swapping a fixed-stroke SAI cylinder. For a direct ISO 15552 replacement match, specify the 32mm bore, 375mm stroke, PT port, and SUS420J2 rod material.
Because the 375mm stroke is relatively long for a 32mm bore, an external guide is recommended to prevent excessive side-loading on the 12mm rod. Remember that the rear adjuster is a travel stop, not a lock; the cylinder cannot hold a load without live air, so consider an external rod lock or SAIL cylinder if load-holding is required.
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 SAIJ32AX375-50 FAQ
The rear adjuster acts as a mechanical stop, allowing you to shorten the nominal 375mm stroke by up to 50mm. This creates a usable travel window of 325-375mm for fine-tuning the end position without swapping cylinders.
At 0.5 MPa operating pressure, the SAIJ32X375-50 provides 402N of push force and 345N of pull force. It can reach a maximum push force of 724N at 0.9 MPa.
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