Airtac Adjustable Cylinder SAIJ32 SAIJ32X125-30
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32X125-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 125mm 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
- Stroke125 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32X125-30
The AirTAC SAIJ32X125-30 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 95-125 mm usable travel window by trimming the 125 mm nominal stroke up to 30 mm, allowing precise end-position tuning during commissioning. In the 32 mm bore class, it delivers 402 N of push force at 0.5 MPa and uses a G1/8 port with a 12 mm carbon steel rod.
This adjustable stopper lets you dial in the retract end without swapping the cylinder or adding external stops. It uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR options. The extruded aluminum barrel includes sensor grooves on both sides for CMSE reed and DMSE electronic switches if a magnet is added later.
Airtac Adjustable Cylinder SAIJ32 SAIJ32X125-30 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32X125-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 125 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 SAIJ32X125-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×125 | 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 SAIJ32X125-30 Is Used
End-Stop Tuning
Fine-tune the retract position within the 95-125 mm window during machine setup without machining new hard stops.
Product Changeover
Quickly adjust the stroke distance on a packaging line when handling different box sizes on the fly.
Assembly Station Setup
Dial in the exact retraction point for a pressing or clamping operation during initial equipment commissioning.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32X125-30 the Right Cylinder?
Choose this 32 mm bore if your application requires the 402 N push force at 0.5 MPa, but step up to a 40 mm bore (628 N push) if the load approaches the mechanical limit. The 30 mm adjustment range is ideal for product changeovers where the exact retract distance varies slightly, replacing the need for a fixed-stroke SAI cylinder. The PT tapered thread ensures a tight pneumatic seal.
Because the stroke is 125 mm, side-load risks are minimal, but always guide the load externally on longer reaches. Note that the rear adjuster acts only as a travel stop; it will not hold the load without live air pressure. For true load-holding, select an AirTAC SAIL or BSAI cylinder.
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 SAIJ32X125-30 FAQ
At 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At the maximum 1.0 MPa operating pressure, it delivers up to 82 kgf.
The rear adjuster screw lets you shorten the 125 mm nominal stroke by up to 30 mm, creating a usable 95-125 mm travel window. The adjuster acts as a mechanical stop and does not lock the load without air pressure.
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