Airtac Adjustable Cylinder SAIJ32 SAIJ32BX200-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX200-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 200mm 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
- Stroke200 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX200-40
The AirTAC SAIJ32X200-40 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. With a 200 mm nominal stroke and a 40 mm adjustment range, it provides a usable travel window of 160 to 200 mm. Operating at 0.5 MPa, it delivers 402 N of push force and 345 N of pull force, making it suited for lighter-duty positioning tasks.
This variant uses a SUS304 stainless steel rod for enhanced corrosion resistance and features PT tapered port threads (G1/8). The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. The rear adjuster acts purely as a mechanical stop to set deceleration and end positions, so it does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX200-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX200-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 200 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 SAIJ32BX200-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×200 | 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 SAIJ32BX200-40 Is Used
Machine Changeover
Dial in the 160 to 200 mm end position during product size changes without replacing the cylinder or adding external stopper blocks.
End-Position Tuning
Fine-tune the retract stroke at commissioning using the rear adjuster to perfect the timing of your assembly process.
Variable End Stops
Adjust the travel window on the fly for sorting or diverting tasks on a packaging line that handles varying package lengths.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX200-40 the Right Cylinder?
Choose this 32 mm bore when your application requires 402 N of push force at 0.5 MPa, which is a step down from the 50 mm bore that offers 982 N. The 40 mm adjustment range is ideal for machine setups where product sizes change frequently, allowing you to fine-tune the 160 to 200 mm travel window at commissioning without swapping the cylinder or bolting on external stops. Because the stroke is 200 mm, you should use an external guide to support the 12 mm rod and prevent excessive side loading.
For an exact ISO 15552 replacement, match the 32 mm bore, 200 mm stroke, PT G1/8 port, and the SUS304 (B) rod material. Note that SAIJ uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets. If you need position holding without live air, look to the SAIL or BSAI series instead.
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 SAIJ32BX200-40 FAQ
At a standard operating pressure of 0.5 MPa, the 32 mm bore provides 402 N of push force and 345 N of pull force. It can reach a maximum of 82 kgf at 1.0 MPa.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective stroke by up to 40 mm. This gives you a usable travel window of 160 to 200 mm, though it only sets the end position and does not lock the load without live air.
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