Airtac Adjustable Cylinder SAIJ32 SAIJ32BX800-40S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX800-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 800mm 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
- Stroke800 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX800-40S
The AirTAC SAIJ32X800-40-S is a double-acting ISO 15552 profile cylinder with a rear stroke adjuster, allowing you to dial back the 800 mm nominal stroke by up to 40 mm. This creates a precise 760-800 mm usable travel window for fine-tuning end positions at commissioning. It delivers 402 N of push force at 0.5 MPa and includes a SUS304 stainless steel rod (code B) for superior corrosion resistance.
This -S variant includes a magnet for position sensing via CMSE reed or DMSE electronic switches. The extruded aluminum barrel features sensor grooves on both sides, and the unit uses PT tapered ports (G1/8). The rear adjuster acts as a travel stop to set the retract end position without adding external stops, but it does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX800-40S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX800-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 800 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 SAIJ32BX800-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×800 | 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 SAIJ32BX800-40S Is Used
Machine Changeover
Fine-tune the 760-800 mm travel window during product size changeovers without swapping cylinders or adding external mechanical stops.
Variable End Stops
Adjust the retract end-position on the fly for pneumatic pushers handling varying package lengths on a packaging line.
Corrosive Environments
Leverage the SUS304 stainless steel rod for reliable actuation in food processing or light chemical environments requiring precise stroke trimming.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX800-40S the Right Cylinder?
Choose this 32 mm bore when you need 402 N push force at 0.5 MPa and a highly adjustable end-position within a 760-800 mm window. If your application requires greater thrust, stepping up to the 40 mm bore yields 628 N at the same pressure. The adjustable rear screw is ideal for product changeovers on a line, letting you fine-tune travel without physically swapping the cylinder for a fixed-stroke SAI model.
Because the stroke is 800 mm, the 12 mm rod and M10x1.25 thread should be supported by an external guide to prevent excessive side-loading and rod deflection. To replace this ISO 15552 cylinder exactly, match the 32 mm bore, 800 mm stroke, 40 mm adjustment, PT ports, SUS304 rod, and -S magnet. For load-holding without live pressure, select a SAIL or BSAI cylinder instead, as this adjuster is not a lock. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ32BX800-40S FAQ
The rear adjuster screw acts as a mechanical stop that lets you shorten the 800 mm nominal stroke by up to 40 mm, providing a 760-800 mm usable travel window. It sets the end position but does not lock or hold the load without live air pressure.
At 0.5 MPa, the 32 mm bore provides 402 N of push force and 345 N of pull force. The -S suffix indicates an integrated magnet that works with AirTAC CMSE reed and DMSE electronic sensors.
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