Airtac SAIJ100 Adjustable Cylinder SAIJ100AX850-30
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX850-30 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 interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ100 mm
- Stroke850 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX850-30
The AirTAC SAIJ100X850-30 is a double-acting, double-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a nominal 850 mm stroke with an adjustable travel window of 820-850 mm, allowing you to dial in the exact retract position during commissioning without swapping hardware.
This variant uses a SUS420J2 stainless steel piston rod (material code A) for enhanced corrosion resistance over standard carbon steel. The barrel is an extruded aluminum profile with sensor grooves on three sides, and the fluid porting utilizes PT tapered threads (G1/2). The rear stopper functions purely as a travel end-stop and does not hold the load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX850-30 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX850-30 |
|---|---|
| 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 | 3682 N | 3682 N |
| 0.7 MPa | 5154 N | — |
| Max (@1.0 MPa) | 751 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100AX850-30
| 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 SAIJ100AX850-30 Is Used
Machine Setup & Changeover
Fine-tune the 850 mm retract position by up to 30 mm during product line changeovers, eliminating the need to physically swap cylinders or bolt on external mechanical stops.
Long-Stroke Forming
Use the 820-850 mm usable travel window to precisely set the approach distance for large forming or press applications, ensuring accurate end-stops without re-engineering the fixture.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX850-30 the Right Cylinder?
Select this 100 mm bore unit when an application requires substantial thrust—up to 5497 N at 0.7 MPa—along with variable end-position tuning. If your force requirements are lower, stepping down to an 80 mm bore yields 3518 N at 0.7 MPa, whereas moving up to a 125 mm bore provides 8590 N. The 30 mm adjustment range is ideal for product changeovers on a line, letting operators trim the stroke by up to 30 mm instead of installing fixed spacers.
For this 850 mm stroke, the 25 mm diameter rod and M20x1.5 thread provide a robust interface, but an external guide rail is strongly recommended to prevent side-load damage over the long unsupported travel. The mounting set is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR). If the machine requires the load to stay clamped without continuous air supply, use an SAIL lock or BSAI clamp-lock cylinder instead of relying on this adjuster. Speed range is 30-800 mm/s.
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 SAIJ100AX850-30 FAQ
It features a rear adjusting screw that lets you shorten the effective stroke by up to 30 mm, creating an adjustable travel window between 820 and 850 mm. This allows you to set the exact retract end-position at commissioning without adding external stops.
At the maximum operating pressure of 1.0 MPa, it can deliver up to 801 kgf of push force.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
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