Airtac SAIJ100 Adjustable Cylinder SAIJ100BX220-20
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX220-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 220mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ100 mm
- Stroke220 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX220-20
The AirTAC SAIJ100X220-20 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to fine-tune the end position at commissioning without adding external stops. It provides a usable travel window of 200 to 220 mm, letting you dial back the nominal 220 mm stroke by up to 20 mm. Featuring a robust 25 mm piston rod and a G1/2 port, it delivers 3927 N of push force and 3681 N of pull force at 0.5 MPa.
This variant uses a SUS304 stainless steel rod (option B) for superior corrosion resistance and includes PT tapered port threads. The extruded aluminum barrel features sensor grooves on both sides, ready to accept CMSE reed or DMSE electronic sensors if a magnet is added later. Mounting options cover Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR brackets to streamline the adjustable-stop design.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX220-20 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX220-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 220 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M20×1.5 |
| 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, 36 mm |
| Max stroke | Up to 1500 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100BX220-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | 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 SAIJ100 Adjustable Cylinder SAIJ100BX220-20 Is Used
Machine Setup Tuning
Dial in the exact 200-220 mm end-position during commissioning without physically swapping cylinders or fabricating external stop blocks.
Product Size Changeover
Quickly adapt a conveyor line for different product lengths by adjusting the rear stopper screw up to 20 mm on the fly.
High-Force Positioning
Leverage the 3927 N push force to move heavy pallets while precisely trimming the travel window to prevent overtravel.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX220-20 the Right Cylinder?
Choose this 100 mm bore when your application requires high thrust—stepping down to an 80 mm bore drops the 0.5 MPa push force to 2513 N, while stepping up to a 125 mm bore yields 6136 N. The adjustable stroke is ideal for product changeovers on a line, letting you set variable end-stops on the fly instead of swapping a fixed-stroke SAI cylinder. For any stroke at or above 300 mm, you should add an external guide to handle side loads, though this 220 mm stroke is well within standard limits.
When replacing an ISO 15552 cylinder, match the 100 mm bore, 220 mm stroke, 20 mm adjustment, G1/2 port, PT thread type, and SUS304 rod material. Note that this configuration does not include a magnet (-S) for sensors. Remember that the rear adjuster acts only as a travel stop and the air cushions provide deceleration; neither holds the load without live air. For true load-holding without pressure, consider the SAIL locking cylinder, the BSAI clamp-lock, or an external rod lock.
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 SAIJ100 Adjustable Cylinder SAIJ100BX220-20 FAQ
At 0.5 MPa operating pressure, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. At the maximum 1.0 MPa pressure, it delivers up to 801 kgf.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective travel from the nominal 220 mm down to 200 mm, creating a 200-220 mm adjustable window for fine end-position tuning.
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