Airtac Adjustable Cylinder SAIJ32 SAIJ32BX800-75
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX800-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 800mm 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
- Stroke800 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX800-75
The AirTAC SAIJ32X800-75 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the retract end position. With a nominal 800 mm stroke and a 75 mm adjustment range, it provides a usable travel window of 725 to 800 mm. This enables precise end-position tuning at commissioning without swapping the cylinder or adding external stops. The extruded aluminum barrel includes sensor grooves on both sides.
In the 32 mm bore class, it generates 402 N of push force and 345 N of pull force at 0.5 MPa. This specific configuration uses a SUS304 stainless steel rod (code B) for superior corrosion resistance and features PT tapered port threads with a G1/8 port size. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX800-75 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX800-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 800 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 SAIJ32BX800-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×800 | 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 SAIJ32BX800-75 Is Used
Product Changeover
Dial in the 725-800 mm travel window during format changeovers on a packaging line, accommodating different carton sizes without mechanical rebuilds.
Variable End Stops
Provide adjustable retract positions for diverter gates on a conveyor, allowing operators to fine-tune the stopping point based on product dimensions.
Machine Setup
Set precise end-of-stroke positions during machine commissioning, using the rear screw to trim the 800 mm stroke exactly to the fixture's requirements.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX800-75 the Right Cylinder?
Choose this adjustable-stroke model when an application requires variable end-stops or frequent product-size changeovers, rather than a fixed-stroke SAI cylinder. If you need less force, stepping down is not an option below 32 mm, but stepping up to a 40 mm bore increases push force to 628 N at 0.5 MPa. Because this cylinder has an 800 mm stroke, the 12 mm rod requires external guidance to prevent excessive side-loading and premature seal wear. The rear adjuster and air cushions only decelerate the travel end; for load-holding without live pressure, consider an external rod lock or a SAIL cylinder.
To match this exact configuration for an ISO 15552 replacement, specify a 32 mm bore, 800 mm stroke, 75 mm adjustment range, PT port threads, SUS304 rod material, and no magnet. It supports the reduced SAIJ mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ32BX800-75 FAQ
At 0.5 MPa operating pressure, the 32 mm bore generates 402 N of push force and 345 N of pull force. At the maximum 1.0 MPa pressure, it achieves 82 kgf.
The rear adjuster screw lets you shorten the effective stroke by up to 75 mm, creating a usable travel window of 725 to 800 mm. It functions as a mechanical stop to set the end position and does not lock the load without air pressure.
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