Airtac SAIJ100 Adjustable Cylinder SAIJ100BX850-10S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX850-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 850mm 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
- Stroke850 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX850-10S
The AirTAC SAIJ100X850-10-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that lets you fine-tune the retract end position. It provides a usable travel window of 840-850 mm, allowing 10 mm of precise trimming without adding external stops. Built with a SUS304 stainless steel rod, it handles heavy loads with 7068 N of push force at 0.9 MPa.
This unit includes a magnet for CMSE reed and DMSE electronic sensors, fitting neatly into the extruded aluminum barrel grooves. It uses PT tapered ports and omits the FB, CA, CB, and CR mounts, offering the standard SAIJ set of Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX850-10S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX850-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 850 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 SAIJ100BX850-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×850 | 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 SAIJ100BX850-10S Is Used
Machine Setup Fine-Tuning
Dial in the exact 840-850 mm retract position during commissioning to align heavy press tools without machining custom spacers.
Product Changeover
Quickly adjust the end stop to accommodate slightly different package lengths on an automated packaging line.
Heavy Material Handling
Leverage the 7068 N push force at 0.9 MPa to push heavy pallets or workpieces, using the 10 mm trim to compensate for mechanical wear over time.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX850-10S the Right Cylinder?
Choose this 100 mm bore when the 80 mm class (4523 N push at 0.9 MPa) is insufficient for your tooling payload. The 10 mm rear adjuster is ideal for product changeovers, letting you dial in the end stop at commissioning rather than swapping a fixed-stroke SAI cylinder. Because the 850 mm stroke is long, always use an external guide to prevent excessive side loading on the M20x1.5 rod thread.
For an ISO 15552 replacement, match the 100 mm bore, 850 mm stroke, 10 mm adjustment, PT ports, and the -S magnet. Remember that the rear adjuster is a travel stop, not a lock; it will not hold the load without live air, so consider a SAIL or BSAI cylinder if true load-holding is required.
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 SAIJ100BX850-10S FAQ
At an operating pressure of 0.9 MPa, this 100 mm bore cylinder provides a push force of 7068 N and a pull force of 3681 N.
The rear adjuster acts as a mechanical stop that allows you to shorten the effective stroke by up to 10 mm, providing a usable travel window of 840 to 850 mm. It sets the end position but does not lock the load without continuous air pressure.
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Standard models usually ship in 3-4 days.
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