Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-50S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 240mm 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
- Stroke240 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-50S
The AirTAC SAIJ32X240-50-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 190 to 240 mm, allowing you to dial in the exact end position during commissioning without adding external stops. With a 32 mm bore, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa.
This variant includes a SUS304 stainless steel rod for superior corrosion resistance and a built-in magnet for position sensing. The extruded aluminum barrel features sensor grooves on both sides, seamlessly supporting AirTAC CMSE reed and DMSE electronic solid-state switches. It uses a PT G1/8 tapered port and reaches speeds of 30-800 mm/s.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-50S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 240 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 SAIJ32BX240-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×240 | 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 SAIJ32BX240-50S Is Used
Machine Changeover
Quickly adapt the retract distance by up to 50 mm during product size transitions on a conveyor line without replacing the cylinder.
End-Position Tuning
Fine-tune the 190-240 mm travel window at commissioning to perfect part seating and absorb mechanical setup variances.
Corrosive Environments
Leverage the SUS304 stainless steel rod for reliable actuation in packaging machinery where moisture or washdowns occur.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-50S the Right Cylinder?
Choose this 32 mm bore model when an application requires 402 N of push force at 0.5 MPa, stepping down from a 40 mm bore that yields 628 N. The 50 mm adjustment range is ideal for product changeovers on a packaging line, letting you shift the retract end-stop by up to 50 mm rather than swapping out a fixed-stroke SAI cylinder. Because the 240 mm stroke exceeds 300 mm? No, but at 240 mm you should still ensure the 12 mm rod and M10x1.25 thread are not subjected to excessive side loads, guiding the load externally if necessary.
The rear adjuster acts purely as a mechanical travel stop to set deceleration, not as a lock. It will not hold a load without live air pressure; for true fail-safe load holding, select an AirTAC SAIL or BSAI cylinder. To match this ISO 15552 interchangeable cylinder, specify: 32 mm bore, 240 mm stroke, 50 mm adjust, PT G1/8 port, Basic/FA/LB/TC/FTC/TCM1/TCM2 mountings, and the -S magnet option.
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 SAIJ32BX240-50S FAQ
A rear stopper screw lets you shorten the effective travel by up to 50 mm, creating a 190 to 240 mm usable stroke window. The adjuster sets the end position and deceleration point, but it is not a lock and will not hold the load without live air pressure.
At 0.5 MPa it provides 402 N push and 345 N pull force. The -S option includes a magnet for use with AirTAC CMSE reed and DMSE solid-state sensors mounted in the dual-side barrel grooves.
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