Airtac SAIJ200 Adjustable Cylinder SAIJ200AX700-75S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX700-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 700mm 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
- Stroke700 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX700-75S
The AirTAC SAIJ200X700-75-S is a double-acting ISO 15552 profile cylinder engineered for heavy-duty tasks, delivering a robust 21991N push force at 0.7 MPa. It features a precision rear stroke adjuster that permits you to trim the effective travel back by up to 75 mm, creating a 625 to 700 mm usable window for exact end-position tuning during commissioning. This eliminates the need to swap out the barrel or bolt on external stops when product sizes change on the line.
Built with a SUS420J2 stainless steel rod and PT tapered ports, this unit includes a magnet for CMSE reed and DMSE electronic sensors. The extruded aluminum barrel provides dual-side sensor grooves, and the rear adjuster functions strictly as a travel stop to set deceleration points, not as a lock to hold the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX700-75S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX700-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 700 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 SAIJ200AX700-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×700 | 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 SAIJ200AX700-75S Is Used
Heavy Press Changeover
Dial the rear stopper back by 75 mm to quickly switch between thick and thin material blanks on a high-tonnage press line without changing cylinders.
Large Pallet Diverter
Fine-tune the 625 to 700 mm actuation window on the fly to accommodate varying pallet lengths while moving heavy loads through a distribution hub.
Automated Assembly Setup
Secure exact end-position tuning during initial machine commissioning, using the rear stopper to absorb kinetic energy alongside the variable air cushions.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX700-75S the Right Cylinder?
Choose this 200 mm bore when your application requires maximum thrust, stepping up from a 160 mm bore that yields 14074N push at 0.5 MPa. The 75 mm adjustment window is ideal for machinery requiring variable end-stops during product changeover, whereas a fixed-stroke SAI cylinder suits dedicated single-size lines. To match this ISO 15552 interchangeable cylinder, specify the 200 mm bore, 700 mm stroke, PT ports, SUS420J2 (A) rod material, and the -S magnet.
Because the 700 mm stroke is long, the 40 mm rod diameter and M36x2 thread still require an external guide to prevent excessive side-loading on the piston. Remember that the rear adjuster only sets the travel end; for fail-safe load-holding without continuous air, select the SAIL or BSAI series instead. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ200AX700-75S FAQ
At 0.7 MPa it provides 21991N of push force and 21144N of pull force. The maximum operating speed for this 200 mm bore is 30 to 500 mm per second.
A rear external screw acts as a stopper, allowing you to shorten the 700 mm nominal stroke by up to 75 mm, yielding a 625 to 700 mm adjustable travel window. It sets the end position but does not lock the load without live air.
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