Airtac Adjustable Cylinder SAIJ32 SAIJ32BX220-20S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX220-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 220mm 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
- Stroke220 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX220-20S
The AirTAC SAIJ32X220-20-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 402 N of push force at 0.5 MPa and features a 12 mm SUS304 stainless steel rod. The integrated -20 adjustment code allows you to trim the effective travel back by up to 20 mm, creating a precise 200-220 mm usable stroke window without changing the physical cylinder.
This model includes a magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors, which seat neatly into the sensor grooves on both sides of the extruded aluminum barrel. The PT port and reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) make it highly adaptable for fine-tuning end positions during machine commissioning.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX220-20S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX220-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 220 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 SAIJ32BX220-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×220 | 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 SAIJ32BX220-20S Is Used
Product Changeovers
Dial in the 200-220 mm stroke window during format changes on packaging lines, avoiding the need to physically swap cylinders for different package sizes.
Sensor Equipped Setup
Leverage the built-in magnet with DMSE electronic sensors to confirm exact end positions after using the rear screw to fine-tune the machine cycle.
Precision End-Stop Tuning
Perfect for light-duty assembly tasks where the 402 N thrust must stop at a slightly variable position to prevent crushing delicate components.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX220-20S 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 less force, dropping down means losing this thrust capacity; stepping up to a 40 mm bore yields 628 N. The adjustable rear stopper is ideal for product changeovers, acting purely as a travel stop and not a load-holding lock. For position holding without live air pressure, consider an external rod lock or the AirTAC SAIL series.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 220 mm nominal stroke, 20 mm adjustment range, PT port thread, and -S magnet requirement. Because the stroke is 220 mm, ensure adequate external guidance to prevent side-loading damage to the 12 mm rod and M10x1.25 rod 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 SAIJ32BX220-20S FAQ
The rear adjuster acts as a mechanical stop that lets you shorten the 220 mm nominal stroke by up to 20 mm, providing a usable travel window of 200-220 mm. It only sets the travel end and does not hold the load without live air pressure.
At 0.5 MPa, it provides 402 N of push force and 345 N of pull force. The standard operating speed range for this bore size is 30-800 mm/s, assuming standard air pressure and flow conditions.
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