Airtac SAIJ100 Adjustable Cylinder SAIJ100BX220-75S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX220-75S 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 SAIJ100BX220-75S
The AirTAC SAIJ100X220-75-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 145-220 mm usable travel window, allowing you to dial back the 220 mm nominal stroke by up to 75 mm during commissioning. Delivering 7068N of push force at 0.9 MPa, it handles heavy positioning tasks without needing external stops.
This variant uses a SUS304 stainless steel rod for superior corrosion resistance and ships with a -S magnet for CMSE (reed) and DMSE (electronic) sensors. The extruded aluminum barrel includes sensor grooves on both sides. It supports the SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX220-75S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX220-75S |
|---|---|
| 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 SAIJ100BX220-75S
| 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 SAIJ100BX220-75S Is Used
Variable End-Stop Machining
Dial in the exact retract distance for multi-size machining operations without repositioning the entire fixture.
Machine Changeover
Rapidly adjust the 145-220 mm travel window during product line changeovers to accommodate varying package sizes.
Heavy Assembly Pressing
Leverage 7068N of thrust to seat heavy components while using the rear screw to fine-tune the final press depth.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX220-75S the Right Cylinder?
Choose this 100 mm bore when a 50 mm bore (1767N push at 0.9 MPa) lacks the thrust for your tooling, but you want to avoid the larger 125 mm size. The 75 mm adjustment window is ideal for product changeovers, letting you fine-tune the retract end-position without swapping the cylinder. The PT tapered port matches the G1/2 interface for this bore.
Because the 220 mm stroke exceeds 300 mm is false here, but if you scale up later, note that long unsupported strokes require an external guide to manage side-load. Remember, the rear adjuster acts only as a travel stop, not a lock; the cylinder will not hold its load without live air. For true load-holding, consider SAIL or BSAI cylinders.
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 SAIJ100BX220-75S FAQ
The SAIJ100X220-75-S uses a rear adjusting screw to mechanically shorten the retract stroke. You can trim the 220 mm nominal stroke back by up to 75 mm, providing a usable travel window of 145 to 220 mm.
At 0.9 MPa, this 100 mm bore cylinder generates 7068N of push force and 5497N of pull force. It operates at speeds between 30 and 800 mm/s.
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Standard models usually ship in 3-4 days.
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