Airtac SAIJ200 Adjustable Cylinder SAIJ200AX70-10S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX70-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 70mm 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
- Stroke70 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX70-10S
The AirTAC SAIJ200X70-10-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a nominal 70 mm stroke that can be fine-tuned down by up to 10 mm, yielding a 60-70 mm usable travel window for precise commissioning. Equipped with a SUS420J2 stainless steel rod (option A) and a magnet for CMSE or DMSE sensors, it handles heavy loads with 15708 N of push force at 0.5 MPa.
This massive 200 mm bore achieves 3204 kgf at 1.0 MPa while operating at a controlled 30-500 mm/s speed range. The rear adjustment screw acts purely as a travel stop, meaning it decelerates the end position but does not lock the load without live air pressure. For position-holding requirements, an external rod lock or the AirTAC SAIL series is required. It supports PT tapered port threads and uses a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX70-10S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX70-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 70 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 SAIJ200AX70-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×70 | 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 SAIJ200AX70-10S Is Used
Heavy Press Tuning
Dial in the exact 60-70 mm travel window on a high-force press to accommodate material thickness variations without swapping out the entire cylinder.
Assembly Line Changeover
Quickly adjust the retract end-stop during product size changeovers on automated lines, using the 15708 N of available force to move heavy jigs.
Large Mold Positioning
Fine-tune the end position of large molding tools during commissioning, relying on the robust 40 mm rod and SUS420J2 stainless steel construction.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX70-10S the Right Cylinder?
Select this 200 mm bore cylinder when an application demands extreme thrust, generating 15708 N of push force at just 0.5 MPa. If you need slightly less force, stepping down to a 160 mm bore yields 10053 N of push force at the same pressure, but the SAIJ200X70-10-S is necessary for heavy-duty pressing or holding during machine changeovers. The 10 mm rear adjuster is ideal for dialing in the exact 60-70 mm end position without adding external stops.
Because this is a 70 mm stroke, the 40 mm rod diameter and M36x2 thread provide substantial rigidity, though any long unsupported loads should still use an external guide. To match this cylinder for an ISO 15552 replacement, specify the 200 mm bore, 70 mm stroke, 10 mm adjustment, PT G3/4 port, SUS420J2 rod material, and the -S magnet. Remember that the rear adjuster and air cushions only manage travel deceleration; they do not function as a brake, so explore the BSAI clamp-lock series if dead-stop holding is required.
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 SAIJ200AX70-10S FAQ
At 0.5 MPa operating pressure, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. At its maximum 1.0 MPa pressure, it can deliver up to 3204 kgf of push force.
The rear adjuster screw allows you to shorten the 70 mm nominal stroke by up to 10 mm, creating a 60-70 mm usable travel window. This stopper fine-tunes the end position but does not lock the load; live air pressure is required to hold position.
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