Airtac Adjustable Cylinder SAIJ32 SAIJ32BX75-30
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX75-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 75mm 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
- Stroke75 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX75-30
The AirTAC SAIJ32X75-30 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 45-75 mm usable travel window by allowing you to dial back the 75 mm nominal stroke by up to 30 mm. It delivers 402 N of push force and 345 N of pull force at 0.5 MPa, making it well-suited for lighter-duty positioning tasks.
This variant uses a SUS304 stainless steel rod for corrosion resistance and features PT tapered port threads. It includes variable air cushions at both ends and extruded aluminum barrel sensor grooves on both sides. The rear adjuster acts strictly as a mechanical stop to fine-tune the end position during commissioning without adding external stops.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX75-30 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX75-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 75 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 SAIJ32BX75-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×75 | 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 SAIJ32BX75-30 Is Used
End-Position Tuning
Dial in the exact retract distance within the 45-75 mm window during machine commissioning without machining external stop collars.
Product Changeover
Quickly adjust the stroke length on packaging lines when switching to a different product size, reducing setup downtime.
Light-Duty Positioning
Leverage the 402 N push force and SUS304 stainless rod for precise, corrosion-resistant component placement in light assembly.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX75-30 the Right Cylinder?
Choose this 32 mm bore when your application requires 402 N of push force at 0.5 MPa, or step up to the 40 mm bore if you need 628 N. The adjustable stroke is ideal for machine setups requiring variable end-stops or product changeovers without swapping cylinders. For strokes of 75 mm, side-load is minimal, but always guide long unsupported loads.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 75 mm stroke, PT port thread, and Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounting set. This SAIJ variant omits FB, CA, CB, and CR mounts. Because the adjuster is only a stop and the cushions provide deceleration, this cylinder will not hold a load without live air; use a SAIL or BSAI series for fail-safe load holding.
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 SAIJ32BX75-30 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 screw acts as a mechanical stop, allowing you to shorten the 75 mm nominal stroke by up to 30 mm, creating a 45-75 mm usable travel window. It only sets the end position and does not lock the load without live air pressure.
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