Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-50 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 SAIJ32BX80-50
The AirTAC SAIJ32X80-50 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 30 to 80 mm, allowing you to dial back the 80 mm nominal stroke by up to 50 mm. In its standard configuration, this bore generates 402 N of push force and 345 N of pull force at 0.5 MPa, scaling to a maximum of 801 N at 1.0 MPa.
This unit is built with a SUS304 stainless steel rod (code B) and utilizes PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, and while this specific SKU lacks a magnet, the design fully supports adding CMSE reed or DMSE solid-state switches when needed. The mounting set covers Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-50 |
|---|---|
| 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 SAIJ32BX80-50
| 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 SAIJ32BX80-50 Is Used
Machine Setup Tuning
Fine-tune the 30 to 80 mm travel window during initial commissioning to perfectly dial in end positions without machining external stopper blocks.
Product Changeover
Quickly adjust the retract stop on packaging lines when handling different product sizes, using the 50 mm adjustment range to adapt the stroke on the fly.
Clamp Positioning
Set precise variable end-stops for light-duty clamping tasks, leveraging the 402 N push force at 0.5 MPa for consistent and repeatable positioning.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-50 the Right Cylinder?
Choose this 32 mm bore adjustable cylinder when your application requires exact end-position tuning at commissioning or during product changeover, avoiding the need to swap components or add external stops. If your process requires less force, stepping down is not an option in the SAIJ line, but if you need significantly more thrust, a 40 mm bore provides 628 N of push force at 0.5 MPa.
Remember that the rear adjuster functions strictly as a mechanical stop to set deceleration and travel limits; it does not lock the load or hold position without continuous live air. For load-holding requirements without pneumatic pressure, consider an external rod lock or pilot-operated check valve. Because the 80 mm stroke is well under the 300 mm threshold, side-load concerns are minimal, though the 12 mm rod still requires standard alignment.
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 SAIJ32BX80-50 FAQ
At 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At the maximum operating pressure of 1.0 MPa, the push force increases to 801 N.
The rear adjuster acts as a mechanical stop that lets you shorten the 80 mm nominal stroke by up to 50 mm, creating a usable travel window of 30 to 80 mm. It sets the end position but does not lock the load without live air pressure.
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