Airtac SAIJ100 Adjustable Cylinder SAIJ100X85-10S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X85-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 85mm 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
- Stroke85 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X85-10S
The AirTAC SAIJ100X85-10-S is a double-acting ISO 15552 profile cylinder with a rear stroke adjuster. It provides a 3927N push force at 0.5 MPa and features a 25mm carbon steel piston rod with an M20x1.5 thread. The built-in magnet enables position sensing with CMSE reed or DMSE electronic switches. This 100mm bore model delivers a usable travel window of 75-85mm, letting you dial back the nominal 85mm stroke by up to 10mm.
A key advantage is fine end-position tuning during commissioning without swapping the cylinder or adding external stops. The rear adjuster acts purely as a travel stop for deceleration alongside the adjustable air cushions at both ends; it does not hold the load without live air. The extruded aluminum barrel includes sensor grooves on both sides, and the mounting set covers Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X85-10S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X85-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 85 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 SAIJ100X85-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×85 | 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 SAIJ100X85-10S Is Used
Machine Setup Tuning
Dial in the exact end-of-stroke position within the 75-85mm window during initial commissioning without machining custom spacers.
Product Changeover
Quickly adjust the stroke stop by up to 10mm on a packaging line when switching to a different product size.
Heavy Assembly Press
Leverage the 3927N push force at 0.5 MPa for robust clamping or pressing tasks where exact final position matters.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X85-10S the Right Cylinder?
Select this 100mm bore when an application requires substantial thrust, stepping up from a 63mm bore that yields 1559N at 0.5 MPa. Choose this adjustable-stroke version over a fixed SAI when you need a variable end-stop to fine-tune the 75-85mm travel window during machine setup or product changeover. The PT tapered port thread and G1/2 port size match standard pneumatic infrastructure.
For load-holding without live air pressure, this cylinder is insufficient since the rear adjuster is a stop, not a lock; consider SAIL or BSAI variants instead. The 25mm rod and M20x1.5 thread handle high side loads well, but any stroke of 300mm or more requires an external guide. This model is dimensionally interchangeable per ISO 15552.
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 SAIJ100X85-10S FAQ
At 0.5 MPa operating pressure, this 100mm bore cylinder provides a push force of 3927N and a pull force of 3681N. At 0.7 MPa, the push force increases to 5497N.
The rear adjuster screw allows you to shorten the effective travel from the nominal 85mm down to 75mm, giving a 75-85mm usable window. This stop fine-tunes the end position but does not lock the load without live air pressure.
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