Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 80mm 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
- Stroke80 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-75S
The AirTAC SAIJ32X80-75-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers a 402N push force at 0.5 MPa and features a 12mm carbon steel core, though this specific configuration utilizes a SUS304 stainless steel rod (code B) for superior corrosion resistance. The integrated magnet (-S) enables precise position detection using AirTAC CMSE reed or DMSE electronic solid-state sensors mounted in the dual-side barrel grooves.
By turning the external rear screw, you can shorten the effective travel by up to 75mm without swapping the cylinder. This yields a highly flexible 5-80mm usable stroke window, which is ideal for adapting end-stops quickly during product changeovers. The adjuster acts purely as a mechanical stop to set the retract end-position, not as a lock, meaning live air pressure is required to hold the load.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 80 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 SAIJ32BX80-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×80 | 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 SAIJ32BX80-75S Is Used
Machine Setup Tuning
Dial in the exact 5-80mm retract distance during initial commissioning to perfectly time the pick-and-place motion without machining new hard stops.
Product Size Changeover
Quickly shorten the stroke by up to 75mm when the production line switches to a smaller variant, saving minutes of retooling time per adjustment.
Sensor Positioning
Leverage the integrated -S magnet with DMSE electronic sensors to confirm the adjusted end-position is reached consistently across variable travel windows.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-75S the Right Cylinder?
Choose this 32mm bore when your application requires the 402N push force at 0.5 MPa, but demands highly variable end-positioning. Instead of stocking multiple fixed-stroke SAI cylinders for different product sizes, this single SKU lets you dial in the exact 5-80mm travel during commissioning. If your setup needs more thrust, stepping up to the 40mm bore provides 628N at 0.5 MPa.
Because the 80mm stroke is below the 300mm threshold, side-load stress on the 12mm rod and M10x1.25 thread is minimal, though external guides are still recommended for heavy lateral loads. This configuration uses PT tapered port threads. To match this cylinder for an ISO 15552 replacement, specify: 32mm bore, 80mm nominal stroke, 75mm adjustment, PT G1/8 port, Basic/FA/LB/TC/FTC/TCM1/TCM2 mounting, and a -S magnet. For load-holding without live air pressure, select the SAIL or BSAI series instead, as the SAIJ adjuster is not a brake.
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 SAIJ32BX80-75S FAQ
At 0.5 MPa operating pressure, this 32mm bore cylinder generates 402N of push force and 345N of pull force. It supports a standard operating speed range of 30-800 mm/s, powered through its G1/8 port.
The rear adjuster screw acts as a mechanical stop that lets you trim the effective stroke back by up to 75mm. This creates a usable travel window of 5 to 80mm, allowing you to fine-tune the end position at commissioning without replacing the cylinder.
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