Airtac Adjustable Cylinder SAIJ32 SAIJ32BX200-50S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX200-50S 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 SAIJ32BX200-50S
The AirTAC SAIJ32X200-50-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 200 mm travel by up to 50 mm. This creates a precise 150-200 mm usable window, perfect for fine-tuning end positions during commissioning without swapping hardware. It delivers 402 N of push force at 0.5 MPa and operates at speeds of 30-800 mm/s.
This variant features a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet for CMSE reed and DMSE electronic sensors. The extruded aluminum barrel includes sensor grooves on both sides. The rear adjuster acts purely as a travel stop to set deceleration alongside the air cushions, so it will not hold a load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX200-50S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX200-50S |
|---|---|
| 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 SAIJ32BX200-50S
| 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 SAIJ32BX200-50S Is Used
Machine Changeover
Quickly adapt the 150-200 mm travel window when switching product sizes on a packaging line, avoiding the need to physically swap out cylinders for different formats.
End-Stop Calibration
Fine-tune the retract position during initial commissioning to achieve exact mechanical alignment, using the rear screw rather than adding external stopper blocks.
Corrosive Testing Setup
Leverage the SUS304 stainless steel rod in light chemical or washdown environments while dialing in the exact stroke needed for repetitive test cycles.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX200-50S the Right Cylinder?
Choose this 32 mm bore when you need 402 N push force at 0.5 MPa with on-the-fly end-position tuning. If your application requires stepping up to the 40 mm bore, that neighbor provides 628 N of push force at the same pressure. The adjustable stroke is ideal for product-size changeovers on a line, whereas a fixed SAI cylinder locks you into a single exact dimension. For any load-holding requirements without continuous air pressure, you must look to the SAIL or BSAI series, as the SAIJ adjuster is not a lock.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 200 mm nominal stroke, 50 mm adjustment range, PT tapered port threads, and the -S magnet option. Because the 200 mm stroke is relatively long for this compact bore, ensure you provide an external guide to handle side loads, as the 12 mm rod and M10x1.25 thread can only support so much lateral stress. 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 SAIJ32BX200-50S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. If you increase pressure to 0.7 MPa, the push force rises to 563 N.
The rear adjuster allows you to shorten the 200 mm nominal stroke by up to 50 mm, creating a usable travel window of 150-200 mm. It functions as a mechanical stop to set the end position and does not lock the load without live air pressure.
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