Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-75S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-75S 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 SAIJ200AX80-75S
The AirTAC SAIJ200X80-75-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers immense thrust, providing 15708N push force at 0.5 MPa and reaching 21991N at 0.7 MPa. The integrated -S magnet enables position feedback via AirTAC CMSE reed and DMSE electronic sensors housed in the dual-side barrel grooves.
This specific SKU features a 75mm adjustment mechanism that creates a highly versatile 5-80mm usable travel window from its 80mm nominal stroke. The SUS420J2 stainless steel rod (code A) provides enhanced corrosion resistance, while the PT tapered port threads ensure a robust pneumatic seal at the G3/4 ports.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-75S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-75S |
|---|---|
| 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 SAIJ200AX80-75S
| 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 SAIJ200AX80-75S Is Used
Heavy Press Tuning
Dial in the exact 5-80mm crushing distance on heavy-duty presses during setup, preventing over-travel without swapping cylinders.
Product Size Changeover
Quickly adapt clamping endpoints on a production line running variable product heights by adjusting the rear stopper.
Assembly Station Calibration
Fine-tune the end-of-stroke position during machine commissioning to perfect component seating forces without external stops.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-75S the Right Cylinder?
Selecting this 200mm bore adjustable cylinder is ideal when an application requires precise mechanical end-position tuning at commissioning without adding external stops. If the full 80mm stroke is unnecessary, stepping down to a 160mm bore reduces the 0.5 MPa push force to 10053N. Remember that the rear screw acts solely as a travel stop, not a lock; a plain SAIJ cannot hold a load without live air, so consider a SAIL or BSAI cylinder for pneumatic locking requirements.
For an exact ISO 15552 replacement match, verify the 200mm bore, 80mm nominal stroke, 75mm adjustment range, PT port threads, and the -S magnet. Mounting is limited to the SAIJ subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR brackets. Although the stroke is short, the heavy 40mm rod and M36x2 thread handle high side loads, though external guides remain essential for lateral stability.
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 SAIJ200AX80-75S FAQ
At 0.5 MPa, this 200mm bore cylinder provides 15708N of push force and 15080N of pull force. At 0.7 MPa, the push force increases to 21991N.
The rear adjuster screw allows you to trim the effective travel back by up to 75mm. This creates a usable stroke window ranging from 5mm to 80mm, letting you set the exact end position without changing the cylinder.
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