Airtac Adjustable Cylinder SAIJ32 SAIJ32BX900-50S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX900-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 900mm 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
- Stroke900 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX900-50S
The AirTAC SAIJ32X900-50-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel window down to 850-900 mm. It delivers 402 N of push force at 0.5 MPa and operates at speeds of 30-800 mm/s. The integrated -S magnet enables position detection with CMSE reed and DMSE solid-state sensors.
This unit uses a SUS304 stainless steel rod (code B) for superior corrosion resistance. Because the 900 mm stroke is long and unsupported, an external guide is required to manage side loads. The rear adjuster acts as a travel stop for end-position tuning, not a lock, so live air is required to hold the load.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX900-50S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX900-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 900 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 SAIJ32BX900-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×900 | 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 SAIJ32BX900-50S Is Used
Variable End Stops
Dial in the exact 850 to 900 mm retraction point during machine commissioning to accommodate varying product sizes without external mechanical stops.
Machine Changeover
Quickly adjust the rear stopper on the SAIJ32X900-50-S to modify stroke length for different product formats on a packaging line.
Long-Stroke Tuning
Use the 50 mm adjustment window to fine-tune the end of a 900 mm stroke, ensuring precise positioning while relying on an external guide for side-load support.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX900-50S the Right Cylinder?
Choose this 32 mm bore when you need precise end-position tuning during commissioning without swapping cylinders or adding external stops. If your application requires higher thrust, step up to the 40 mm bore which provides 628 N of push force at 0.5 MPa. For load-holding without continuous air pressure, this cylinder is not a lock; consider the SAIL or BSAI series instead. This SAIJ configuration includes a PT tapered port, SUS304 rod, and a magnet for sensors. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options.
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 SAIJ32BX900-50S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 82 kgf.
The rear adjuster allows you to shorten the 900 mm nominal stroke by up to 50 mm, creating a usable travel window of 850 to 900 mm. The adjuster functions as a mechanical stop for end-position tuning and does not lock or hold the load without live air pressure.
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