Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-75
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-75 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 SAIJ200AX80-75
The AirTAC SAIJ200X80-75 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. By dialing back the nominal 80 mm stroke by up to 75 mm, you achieve an exceptionally wide 5-80 mm usable travel window for high-precision product changeovers. It delivers massive thrust, pushing with 15708 N and pulling with 15080 N at 0.5 MPa.
This unit uses a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance compared to standard carbon steel. The extruded aluminum barrel integrates sensor grooves on both sides for mounting CMSE reed or DMSE electronic switches. Fluid supply connects via PT tapered G3/4 ports, while the robust 40 mm rod and M36x2 thread handle high mechanical stresses.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-75 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-75 |
|---|---|
| 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 SAIJ200AX80-75
| 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 SAIJ200AX80-75 Is Used
Variable End-Position Clamping
Dial in the exact 5 to 80 mm clamping depth on the fly to accommodate different workpiece heights without changing tooling.
Machine Commissioning Tuning
Use the 75 mm rear adjuster to perfect the retract end-stop during setup, eliminating the need to bolt on external hard stops.
Product-Size Line Changeover
Rapidly shift the effective travel window when production switches to a new product size, minimizing downtime on heavy assembly lines.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-75 the Right Cylinder?
Choose this 200 mm bore when an application demands up to 3204 kgf at 1.0 MPa. If you do not need this immense force, stepping down to a 160 mm bore yields 10053 N push at 0.5 MPa, reducing air consumption. The 75 mm adjustment range is ideal for variable end-stops, allowing you to fine-tune the retract position at commissioning without swapping cylinders or adding external stopper blocks.
Because the nominal stroke is 80 mm, the rear adjuster screw acts purely as a travel stop to set the end position. It does not lock or hold the load without live air pressure; for fail-safe load holding, select an AirTAC SAIL or BSAI series cylinder. As a dimensionally interchangeable ISO 15552 cylinder, replacements match the 200 mm bore, 80 mm stroke, 75 mm adjustment, PT G3/4 port, and Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounts.
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 SAIJ200AX80-75 FAQ
At a 0.5 MPa operating pressure, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. The maximum thrust is 3204 kgf at 1.0 MPa.
The rear adjuster screw trims the 80 mm nominal stroke back by up to 75 mm, creating a 5-80 mm usable travel window. This stopper sets the end position but does not lock the load without continuous air pressure.
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