Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 275mm 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
- Stroke275 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-50
The AirTAC SAIJ32X275-50 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 225-275 mm usable travel window, letting you dial back the nominal 275 mm stroke by up to 50 mm during commissioning. Delivering 402 N of push force at 0.5 MPa, it integrates a 12 mm carbon steel rod and M10x1.25 threading. The extruded aluminum barrel includes sensor grooves on both sides for flexible positioning.
This variant omits the FB, CA, CB, and CR mounts, utilizing a reduced interface of Basic, FA, LB, TC, FTC, TCM1, and TCM2. The rear adjuster acts purely as a travel stop to decelerate the end of stroke; it does not hold the load without live air. For load-holding without pressure, consider the SAIL or BSAI series. This model features PT tapered ports and a SUS304 stainless steel rod for enhanced corrosion resistance.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 275 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 SAIJ32BX275-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×275 | 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 SAIJ32BX275-50 Is Used
Machine Setup Tuning
Dial in the exact 225-275 mm end-stop during commissioning without machining new spacers or changing the cylinder.
Product Size Changeover
Quickly adapt the stroke window on packaging lines when product dimensions shift, using the 50 mm rear adjustment screw.
Assembly Positioning
Achieve precise end-position tuning for 402 N push operations while relying on standard ISO 15552 mounting.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-50 the Right Cylinder?
Choose this 32 mm bore when your application requires 402 N of push force at 0.5 MPa. If your setup demands greater thrust, stepping up to the 40 mm bore yields 628 N, whereas dropping to a smaller cylinder limits your capacity. The 50 mm adjustment window is ideal for product changeovers, allowing you to fine-tune the end position without swapping the cylinder or adding external stops. Because the nominal stroke is 275 mm, ensure adequate guidance to prevent excessive side-loading on the 12 mm rod. To match this ISO 15552 replacement, verify the 275 mm stroke, 50 mm adjust code, PT G1/8 port, and the SUS304 rod material.
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 SAIJ32BX275-50 FAQ
At 0.5 MPa it 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 lets you shorten the effective stroke from 275 mm down to 225 mm, creating a 50 mm tuning window. It functions as a mechanical stop to set the travel end, not as a lock to hold the load.
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