Airtac Adjustable Cylinder SAIJ32 SAIJ32BX250-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX250-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 250mm 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
- Stroke250 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX250-75S
The AirTAC SAIJ32X250-75-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 175 to 250 mm, letting you dial back the 250 mm nominal stroke by up to 75 mm during commissioning. Delivering 402 N of push force at 0.5 MPa, it suits light-duty positioning tasks.
This variant features a SUS304 stainless steel rod for corrosion resistance and includes a magnet for CMSE reed and DMSE electronic sensors. It uses a G1/8 port and omits heavy FB or CA mounts, supporting Basic, FA, LB, TC, FTC, TCM1, and TCM2 interfaces.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX250-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX250-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 250 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 SAIJ32BX250-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×250 | 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 SAIJ32BX250-75S Is Used
Machine Setup Tuning
Fine-tune the 175-250 mm travel window during initial commissioning to hit exact end positions without adding external stops.
Product Changeover
Quickly adapt the cylinder stroke for different product sizes on a packaging line by rotating the rear adjustment screw.
Light-Duty Positioning
Leverage the 402 N push force and SUS304 rod for precise, corrosion-resistant component placement in tight spaces.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX250-75S the Right Cylinder?
Choose this 32 mm bore when a 402 N push force at 0.5 MPa is sufficient, stepping up to the 40 mm bore (628 N) only if your payload demands more thrust. The 75 mm adjustment range is ideal for product changeovers, allowing variable end-stops without swapping cylinders. Remember, the rear adjuster acts as a travel stop, not a lock; for load-holding without live air, select an SAIL or BSAI cylinder.
As a direct ISO 15552 interchangeable replacement, match your bore, 250 mm stroke, 75 mm adjust, PT G1/8 port, and -S magnet. Because the stroke is 250 mm, ensure external guidance to prevent side-loading on the 12 mm 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 SAIJ32BX250-75S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At 0.7 MPa, the push force increases to 563 N.
The rear adjuster allows you to shorten the 250 mm nominal stroke by up to 75 mm, creating a usable travel window of 175 to 250 mm. It acts as a physical stop and does not lock the load without live air.
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