Airtac SAIJ200 Adjustable Cylinder SAIJ200AX280-100
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX280-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 280mm 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
- Stroke280 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX280-100
The AirTAC SAIJ200X280-100 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty applications requiring exact end-position tuning. It features a 200 mm bore and a 280 mm stroke, but the integrated rear adjusting screw allows you to shorten the effective travel by up to 100 mm. This creates a highly flexible 180-280 mm usable stroke window, letting you dial in the retract distance during commissioning without swapping out the physical cylinder.
Delivering 15708 N of push force and 15080 N of pull force at 0.5 MPa, this unit handles massive loads with ease. The piston rod is manufactured from SUS420J2 stainless steel, offering superior corrosion resistance compared to standard carbon steel. It uses PT tapered port threads (G3/4) and includes variable air cushions at both ends to absorb kinetic energy, though the adjuster acts purely as a travel stop and does not lock the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX280-100 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX280-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 280 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 SAIJ200AX280-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×280 | 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 SAIJ200AX280-100 Is Used
Press Stroke Tuning
Fine-tune the 180-280 mm travel window during machine setup to accommodate varying material thicknesses without changing the cylinder.
Heavy Load Changeover
Adjust the rear stopper up to 100 mm during product line changeovers to reposition heavy 15708 N loads quickly and safely.
Guided Heavy Lifting
Lift massive components using the 200 mm bore power while relying on external guides to manage side loads over the 280 mm travel.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX280-100 the Right Cylinder?
Select this 200 mm bore model when your machinery requires immense thrust—up to 15708 N at 0.5 MPa—and a variable end-stop. If your application needs less force, stepping down to the 160 mm bore yields 10053 N of push force, but the 200 mm bore is necessary for heavy press or lift operations. The 100 mm adjustment range is particularly valuable for product changeovers, allowing operators to reposition the retract stop on the fly instead of installing external physical stops.
When replacing an ISO 15552 cylinder, match the 200 mm bore, 280 mm nominal stroke, 100 mm adjuster, G3/4 PT ports, and the correct mounting accessory. SAIJ supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Because the stroke is 280 mm, you should ensure adequate external guidance to prevent excessive side-loading on the rod. Note that for load-holding without continuous air pressure, you must look to the SAIL or BSAI series, as the SAIJ adjuster is not a lock.
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 SAIJ200AX280-100 FAQ
At an operating pressure of 0.5 MPa, this 200 mm bore cylinder generates 15708 N of push force and 15080 N of pull force. It can reach a maximum push force of 21991 N at 0.7 MPa.
The rear adjusting screw acts as a mechanical stopper that lets you trim the effective travel back by up to 100 mm from the 280 mm nominal stroke, providing a usable window of 180-280 mm. It only sets the end position and does not hold the load without live air pressure.
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