Airtac Adjustable Cylinder SAIJ32 SAIJ32BX900-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX900-50 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 SAIJ32BX900-50
The AirTAC SAIJ32X900-50 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 900 mm nominal stroke that can be dialed back by up to 50 mm, yielding an effective 850-900 mm travel window for precise end-position tuning during commissioning. The 32 mm bore generates 563 N of push force at 0.7 MPa, fitting light-duty handling tasks.
Built with a SUS304 stainless steel rod (option B) and PT tapered port threads, this unit suits environments where corrosion resistance is paramount. The extruded aluminum barrel includes sensor grooves on both sides, and the rear adjuster acts purely as a travel stop to set the retract position without holding the load mechanically.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX900-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX900-50 |
|---|---|
| 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 SAIJ32BX900-50
| 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 SAIJ32BX900-50 Is Used
Variable End Stops
Dial in the 850-900 mm retract position on the fly to accommodate varying material lengths without physically swapping out the cylinder.
Machine Setup Tuning
Fine-tune the end-of-stroke position during initial commissioning to perfect timing and avoid mechanical hard crashes.
Product Size Changeover
Quickly adjust the travel window during production line changeovers to handle different product dimensions efficiently.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX900-50 the Right Cylinder?
Choose this 32 mm bore when an application requires 563 N of push force at 0.7 MPa, stepping down from a 40 mm bore (879 N) for lighter loads or up from smaller variants. An adjustable stroke is selected over a fixed SAI cylinder when you need variable end-stops or fine-tuning during machine setup without adding external stops. The rear adjuster is a stop, not a lock; if the load must be held without live air pressure, use an SAIL lock cylinder, a BSAI clamp-lock, or an external pilot-operated check valve.
For an exact ISO 15552 replacement, match the 32 mm bore, 900 mm stroke, 50 mm adjustment, PT port threads, SUS304 rod, and the SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Because the 900 mm stroke is long and unsupported, an external guide is required to prevent excessive side loading on the 12 mm rod and M10x1.25 thread.
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 SAIJ32BX900-50 FAQ
At 0.7 MPa, the 32 mm bore provides 563 N of push force and 345 N of pull force. It operates on filtered air at 0.15-1.0 MPa with a speed range of 30-800 mm/s.
The rear adjuster is a mechanical stop that shortens the 900 mm nominal stroke by up to 50 mm, creating an 850-900 mm usable travel window. It decelerates the end position but does not lock the load without live air pressure.
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