Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 225mm 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
- Stroke225 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-20
The AirTAC SAIJ32X225-20 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 225 mm travel by up to 20 mm for a usable 205-225 mm window. It delivers 402 N of push force and 345 N of pull force at 0.5 MPa, fitting compact pneumatic setups that demand exact end-position tuning without adding external stops. The extruded aluminum barrel features sensor grooves on both sides for flexible switch mounting.
This variant uses a SUS304 stainless steel rod for enhanced corrosion resistance and is fitted with PT tapered ports. The rear adjuster functions strictly as a travel stop for commissioning and product changeovers, not as a load-holding lock. For position holding without live air pressure, consider the SAIL or BSAI series instead.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 225 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 SAIJ32BX225-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×225 | 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 SAIJ32BX225-20 Is Used
Machine Changeover
Dial in the 205-225 mm stroke during product size changes to set new end positions without machining new hard stops.
Assembly Calibration
Fine-tune the retract position on a 402 N assembly press to compensate for mechanical wear over time.
Variable End Stops
Adjust the travel window on a compact diverter gate to handle different package lengths on the fly.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-20 the Right Cylinder?
Choose this 32 mm bore when your application requires 402 N push force at 0.5 MPa and a precisely variable end-stop, avoiding the need to physically swap cylinders during product changeovers. If your machine requires higher thrust, stepping up to the 40 mm bore increases push force to 628 N at 0.5 MPa. The 12 mm rod and M10x1.25 thread handle basic loads, but because the 225 mm stroke is relatively long for this bore, an external guide is recommended to prevent excessive side-loading on the rod.
As a dimensionally interchangeable ISO 15552 profile cylinder, it replaces equivalent standard ISO units using the same mounting footprint (Basic, FA, LB, TC, FTC, TCM1, TCM2). It operates at speeds of 30-800 mm/s and uses variable air cushions at both ends to decelerate the piston. Since it lacks a magnet (-S), it does not support CMSE or DMSE sensors.
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 SAIJ32BX225-20 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 pressure of 1.0 MPa, it can deliver up to 82 kgf.
The rear adjuster screw acts as a mechanical stop that lets you shorten the 225 mm nominal stroke by up to 20 mm, creating a 205-225 mm travel window. It only sets the end position and does not lock the load without live air pressure.
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