Airtac Adjustable Cylinder SAIJ32 SAIJ32BX50-30
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX50-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 50mm 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
- Stroke50 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX50-30
The AirTAC SAIJ32X50-30 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 20 to 50 mm, allowing you to trim the nominal 50 mm stroke by up to 30 mm during commissioning. This bore size delivers 402 N of push force and 345 N of pull force at 0.5 MPa, making it well-suited for lighter-duty positioning tasks.
This variant is configured with a SUS304 stainless steel piston rod for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, ready to accept AirTAC CMSE reed or DMSE electronic switches if a magnet is added later. The rear adjuster acts purely as a mechanical stop to set the end position and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX50-30 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX50-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 50 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 SAIJ32BX50-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×50 | 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 SAIJ32BX50-30 Is Used
Machine Setup Tuning
Dial in the exact 20 to 50 mm travel distance during initial commissioning to perfect the stroke end-position without machining external stoppers.
Product Changeover
Quickly adapt the cylinder's effective stroke on automated lines when switching between product sizes that require slightly different extension distances.
Light-Force Positioning
Leverage the 402 N push force at 0.5 MPa for precise, lighter-duty component placement and clamping tasks that benefit from variable end-stops.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX50-30 the Right Cylinder?
Choose this 32 mm bore adjustable-stroke cylinder when your application requires fine end-position tuning without swapping components or adding external stops; for higher force needs, stepping up to a 40 mm bore provides 628 N of push force at 0.5 MPa. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, intentionally omitting FB, CA, CB, and CR options. For exact ISO 15552 interchangeability, match the 32 mm bore, 50 mm stroke, PT port, and rear 30 mm adjustment. Because the stroke is under 300 mm, side-load risks are minimal, though the 12 mm rod still requires standard alignment practices.
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 SAIJ32BX50-30 FAQ
The rear adjuster allows you to mechanically shorten the stroke by up to 30 mm, creating a usable travel window of 20 to 50 mm. It functions as a physical stop for end-position tuning and is not a lock, meaning the cylinder will not hold a load without continuous air pressure.
At 0.5 MPa, this cylinder provides 402 N of push force and 345 N of pull force. It operates at a standard speed range of 30 to 800 mm/s, and features a G1/8 port.
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