Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-30
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 80mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ200 mm
- Stroke80 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-30
The AirTAC SAIJ200X80-30 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 50-80 mm, allowing you to dial back the 80 mm nominal stroke by up to 30 mm during commissioning. Belonging to the 200 mm bore class, it delivers massive thrust, pushing 15708 N and pulling 15080 N at 0.5 MPa. The piston rod is constructed from SUS420J2 stainless steel (code A) for high corrosion resistance, and the body uses an extruded aluminum barrel with sensor grooves on both sides.
This adjustable-stroke design eliminates the need to swap cylinders or bolt on external stops when fine-tuning the retract end position. It operates at speeds of 30-500 mm/s and features a PT tapered port thread. The rear adjuster acts purely as a mechanical stop to set the travel end and does not lock or hold the load without live air pressure. For load-holding requirements without continuous air, consider the SAIL or BSAI series instead.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-30 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 80 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 50 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 (Ø200mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (@1.0 MPa) | 3204 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×80 | 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 SAIJ200 Adjustable Cylinder SAIJ200AX80-30 Is Used
Heavy Machinery Setup
Dial in the exact 50-80 mm retract end position during heavy equipment commissioning without swapping out the entire cylinder.
Product Changeover
Quickly adapt the stroke window on automated lines when product sizes change, using the 30 mm rear adjustment screw to set new stops.
High-Force Positioning
Leverage the 15708 N push force at 0.5 MPa to move heavy payloads, fine-tuning the end-of-travel point to prevent mechanical crashes.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-30 the Right Cylinder?
Choose this 200 mm bore cylinder when your application requires extreme force—stepping down to a 160 mm bore yields 10053 N of push force at 0.5 MPa, while this SAIJ200X80-30 provides 15708 N. An adjustable stroke is ideal for product-size changeovers on a line, letting operators fine-tune the end stop without replacing hardware. When replacing an ISO 15552 cylinder, match the 200 mm bore, 80 mm stroke, 30 mm adjustment, PT port thread, and SUS420J2 rod material. Since no magnet is specified, position sensing via CMSE or DMSE switches is not enabled. For any stroke of 300 mm or more, an external guide is recommended to manage side loads, though this 80 mm travel keeps the 40 mm rod well-supported.
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 SAIJ200 Adjustable Cylinder SAIJ200AX80-30 FAQ
At a 0.5 MPa operating pressure, this 200 mm bore cylinder provides a push force of 15708 N and a pull force of 15080 N. At 0.7 MPa, the push force increases to 21991 N.
The rear adjuster screw allows you to shorten the 80 mm nominal stroke by up to 30 mm, creating a 50-80 mm usable travel window. It functions as a mechanical stop for end-position tuning and does not lock the load without live air.
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