Airtac Adjustable Cylinder SAIJ32 SAIJ32BX75-30S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX75-30S 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 SAIJ32BX75-30S
The AirTAC SAIJ32X75-30-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 75 mm stroke that can be fine-tuned backward by up to 30 mm, creating a usable travel window of 45 to 75 mm. Delivering 402 Newtons of push force at 0.5 MPa, it is built with a SUS304 stainless steel rod and includes a magnet for position sensing.
This adjustable design allows you to dial in the exact retract end-position during commissioning without swapping the cylinder or adding external stops. The rear adjuster functions strictly as a travel stop and works alongside variable air cushions at both ends to decelerate the load. It does not hold the load without live air pressure, so applications requiring true load-holding should utilize an external rod lock or a related SAIL pneumatic lock cylinder.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX75-30S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX75-30S |
|---|---|
| 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 SAIJ32BX75-30S
| 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 SAIJ32BX75-30S Is Used
Machine Changeover
Quickly adjust the retract end-stop from 45 to 75 mm when switching production lines to accommodate different product lengths without changing hardware.
End-Position Tuning
Fine-tune the final resting position during initial commissioning to achieve exact alignment, eliminating the need for external shims or spacer blocks.
Sensor-Ready Actuation
Utilize the internal magnet with DMSE electronic sensors to confirm the adjusted position in automated assembly and testing routines.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX75-30S the Right Cylinder?
Choose this 32 mm bore when you need precise end-position tuning for a compact setup, delivering 402 N of push force at 0.5 MPa. If your application requires greater thrust, stepping up to the 40 mm bore yields 628 N at the same pressure. The adjustable stroke is ideal for machine changeovers where product sizes vary, providing a 45-75 mm travel window without machining new hard stops. To replace an ISO 15552 cylinder, match the 32 mm bore, 75 mm nominal stroke, 30 mm adjustment range, PT tapered port threads, and the -S magnet requirement.
Because this model features a PT tapered port thread and a SUS304 stainless steel rod, it suits environments where corrosion resistance is beneficial. The 12 mm rod diameter handles standard side loads well, though any long unsupported stroke still requires an external guide rail. For position feedback, the internal magnet interfaces directly with AirTAC CMSE reed switches or DMSE electronic solid-state sensors mounted in the dual-sided sensor grooves.
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 SAIJ32BX75-30S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 Newtons of push force and 345 Newtons of pull force. If operated at 0.7 MPa, the push force increases to 563 Newtons.
The rear adjuster screw allows you to shorten the effective stroke by up to 30 mm. This transforms the nominal 75 mm stroke into a variable 45 to 75 mm travel window, letting you set the exact retract position without altering the cylinder mounting.
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