Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-75S 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 SAIJ32BX275-75S
The AirTAC SAIJ32X275-75-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the 275 mm nominal stroke by up to 75 mm. This creates a highly flexible 200-275 mm usable travel window, perfect for fine-tuning end positions during machine commissioning without swapping hardware. It delivers 402 N of push force at 0.5 MPa and operates at speeds of 30-800 mm/s.
Built with a SUS304 stainless steel rod (option B), this variant excels in environments where corrosion resistance is critical. The integrated magnet (-S) supports position sensing via AirTAC CMSE reed or DMSE electronic solid-state switches fitted into the dual-side sensor grooves on the extruded aluminum barrel. The rear adjuster acts purely as a mechanical stop for deceleration and positioning, so it will not hold a load safely without continuous live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-75S |
|---|---|
| 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 SAIJ32BX275-75S
| 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 SAIJ32BX275-75S Is Used
Machine Commissioning
Dial in the exact 200-275 mm retract position during setup, eliminating the need to machine custom spacer blocks or swap cylinders for fine-tuning.
Product Changeover
Quickly adjust the stroke end-stop on packaging lines when handling different carton sizes, using the 75 mm trim range to accommodate varying product dimensions.
Corrosive Testing
Leverage the SUS304 stainless steel rod for positioning samples in environmental test chambers where standard carbon steel rods would degrade.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-75S the Right Cylinder?
Choose this 32 mm bore when your application requires 402 N push force at 0.5 MPa, stepping up to the 40 mm bore yields 628 N if your payload increases. The 75 mm adjustment range is ideal for product-size changeovers on a line, giving you a wide 200-275 mm window to tune the retract end-stop precisely. For fixed-position tasks without variation, a standard SAI cylinder is simpler, but the SAIJ prevents the need for external stops when dimensions fluctuate. Because the 275 mm stroke is relatively long for a 32 mm bore, ensure you use an external guide to prevent excessive side-loading on the 12 mm rod. If your process demands true load-holding without air pressure, integrate an external rod lock or select a SAIL (air-released lock) or BSAI (clamp-lock) cylinder instead. To match this ISO 15552 interchangeable unit, specify the PT port thread, your preferred mounting from the Basic, FA, LB, TC, FTC, TCM1, or TCM2 set, and the -S magnet option.
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 SAIJ32BX275-75S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. If operated at 0.7 MPa, the push force increases to 563 N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 275 mm nominal stroke anywhere within a 200-275 mm usable window. It only sets the travel end-point and does not lock the load without live air pressure.
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