Airtac Adjustable Cylinder SAIJ32 SAIJ32AX80-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX80-40 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 SAIJ32AX80-40
The AirTAC SAIJ32X80-40 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a nominal 80 mm stroke that can be dialed back by up to 40 mm, yielding a highly versatile 40-80 mm usable travel window for precise end-position tuning during commissioning. Delivering 402 N of push force at 0.5 MPa, it is built with a SUS420J2 stainless steel rod and utilizes PT tapered port threads.
The rear adjuster acts purely as a mechanical stop to set the retract end position, meaning it does not hold the load without live air pressure. For load-holding without continuous air, an external rod lock or pilot-operated check valve is required. This extruded aluminum barrel design includes dual sensor grooves for mounting CMSE reed or DMSE electronic switches, and its 12 mm rod with an M10x1.25 thread handles moderate side loads effectively.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX80-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX80-40 |
|---|---|
| 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 SAIJ32AX80-40
| 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 SAIJ32AX80-40 Is Used
Machine Setup Changeover
Dial in the exact end-stop during line changeovers by adjusting the travel window from 40 to 80 mm without replacing hardware.
Variable End Stops
Perfect for small-batch production runs where the rear mechanical stopper needs frequent fine-tuning to accommodate varying part sizes.
Light-Actuation Positioning
Provides 402 N of push force at 0.5 MPa to move light loads into a precisely defined retract position before downstream processing.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX80-40 the Right Cylinder?
Selecting the SAIJ32X80-40 is ideal when an application requires variable end-stops or frequent product-size changeovers without swapping the entire cylinder. The 40 mm adjustment range allows operators to fine-tune the travel window from 40 to 80 mm on the machine, offering flexibility that a fixed-stroke SAI cylinder cannot match. If your setup demands higher thrust, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa, whereas dropping to a smaller bore would reduce the force output below the 402 N provided here.
As a dimensionally interchangeable ISO 15552 cylinder, this model replaces units with matching 32 mm bore, 80 mm stroke, PT port, and up to 40 mm adjustment. It supports a mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because the total stroke is 80 mm, an external guide is generally not required for side loads, but the adjuster must never be relied upon as a lock or brake for holding loads.
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 SAIJ32AX80-40 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. The maximum thrust is 82 kgf at 1.0 MPa.
The rear adjuster acts as a mechanical stop that allows you to trim the nominal 80 mm stroke back by up to 40 mm, creating a usable travel window of 40 to 80 mm. It does not lock the load without live air pressure.
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