Airtac SAIJ100 Adjustable Cylinder SAIJ100BX600-20
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX600-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 600mm 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
- Stroke600 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX600-20
The AirTAC SAIJ100X600-20 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 580 to 600 mm usable travel window, letting you dial back the nominal 600 mm stroke by up to 20 mm during commissioning. Delivering 3927 N of push force at 0.5 MPa, it handles heavy-duty positioning while remaining dimensionally interchangeable with ISO 15552 cylinders.
This configuration uses a SUS304 stainless steel rod for corrosion resistance and a PT tapered port thread. The extruded aluminum barrel includes sensor grooves on both sides for CMSE reed or DMSE electronic switches (requires a -S magnet). Remember that the rear adjuster acts only as a travel stop; it does not lock the load without live air.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX600-20 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX600-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 600 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 SAIJ100BX600-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×600 | 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 SAIJ100BX600-20 Is Used
Machine Setup Tuning
Dial in the exact 580-600 mm retract position during initial commissioning without swapping cylinders or machining external stopper blocks.
Product Size Changeover
Quickly adjust the end-stop to accommodate varying package lengths on a packaging line, utilizing the 20 mm trim range.
Heavy Duty Positioning
Leverage the 3927 N push force at 0.5 MPa to move heavy pallets or tooling while maintaining precise end-position control.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX600-20 the Right Cylinder?
Choose this 100 mm bore when a 50 mm bore falls short on thrust (982 N at 0.5 MPa) but you need to fine-tune the retract end without adding external stops. The 20 mm adjustment window is ideal for product changeovers where exact end-positioning varies slightly. For holding loads without live air pressure, select a SAIL lock or BSAI clamp-lock cylinder instead of relying on the adjuster.
With a 600 mm stroke, the 25 mm diameter rod and M20x1.5 thread handle substantial loads, but long unsupported travel demands an external guide to prevent side-loading damage. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR. To match this ISO 15552 replacement, verify the 100 mm bore, 600 mm stroke, 20 mm adjust, PT port, and standard rod material.
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 SAIJ100BX600-20 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 0.7 MPa, the push force increases to 5497 N.
The rear adjuster allows you to shorten the effective stroke by up to 20 mm, creating a 580-600 mm usable travel window. It acts as a mechanical stop to fine-tune the end position and does not function as a lock or brake.
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