Airtac Adjustable Cylinder SAIJ32 SAIJ32BX375-30S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX375-30S 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 SAIJ32BX375-30S
The AirTAC SAIJ32X375-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 375 mm travel by up to 30 mm for a usable window of 345-375 mm. Built with a SUS304 stainless steel rod and a PT tapered port, it delivers 402 N of push force at 0.5 MPa. The integrated -S magnet supports position sensing via CMSE reed or DMSE electronic switches fitted into the dual-side sensor grooves.
Because the stroke extends to 375 mm on a 32 mm bore, the 12 mm rod and M10x1.25 thread face increased leverage from side loads; an external guide is recommended to prevent rod deflection. The rear adjuster acts purely as a mechanical stop to fine-tune the retract end position during commissioning without adding external stops, while the standard adjustable air cushions manage end-of-stroke deceleration.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX375-30S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX375-30S |
|---|---|
| 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 SAIJ32BX375-30S
| 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 SAIJ32BX375-30S Is Used
Machine Changeover
Dial in the exact retract position within the 345-375 mm window during product size transitions without swapping out the entire cylinder.
Long Travel Guiding
Handles 375 mm extended travel tasks where an external guide rail is paired with the 12 mm rod to prevent deflection and ensure smooth movement.
End-Stop Calibration
Fine-tune the final retract end-position at commissioning using the 30 mm rear adjustment screw, avoiding the need to bolt on external physical stops.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX375-30S the Right Cylinder?
Choose this 32 mm bore adjustable-stroke model when your machine setup requires variable end-stops or frequent product-size changeovers, stepping down from a 40 mm bore (628 N at 0.5 MPa) if your application demands less force to optimize space and air consumption. The SAIJ series uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB, CA, CB, and CR brackets. To replace an ISO 15552 cylinder, match the 32 mm bore, 375 mm stroke, PT G1/8 port, and -S magnet.
For strokes of 300 mm or more, long unsupported travel necessitates an external guide to protect the piston rod from bending. Note that neither the rear adjuster nor the air cushions function as a lock; the SAIJ cannot hold a load without live air pressure. For true fail-safe load holding, consider the SAIL (air-released lock) or BSAI (clamp-lock) series instead.
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 SAIJ32BX375-30S FAQ
The rear adjusting screw acts as a mechanical stopper that lets you shorten the effective stroke by up to 30 mm, providing a usable travel window of 345-375 mm. It allows fine-tuning of the end position at commissioning without changing the cylinder itself, though it does not lock the load without live air pressure.
At a 0.5 MPa operating pressure, this double-acting cylinder provides 402 N of push force and 345 N of pull force. At its maximum 1.0 MPa pressure, it can deliver up to 82 kgf.
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