Airtac SAIJ200 Adjustable Cylinder SAIJ200AX425-10S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX425-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 425mm 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
- Stroke425 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX425-10S
The AirTAC SAIJ200X425-10-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 415 to 425 mm for precise end-position tuning. As a non-standard 425 mm stroke made-to-order unit, it delivers immense thrust, generating 15708 N of push force and 15080 N of pull force at 0.5 MPa. The bore utilizes a G3/4 port and features a robust 40 mm piston rod.
This model incorporates a SUS420J2 stainless steel rod for enhanced durability and includes a magnet for position sensing with AirTAC CMSE reed and DMSE electronic switches. The rear adjustment mechanism acts purely as a travel stop to dial in the exact end position during commissioning without adding external stops; it is not a lock. For load-holding without live air pressure, an external rod lock or related SAIL and BSAI clamp-lock cylinders are required.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX425-10S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX425-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 425 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 SAIJ200AX425-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×425 | 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 SAIJ200AX425-10S Is Used
Heavy Press Fine-Tuning
Dial in the exact 415-425 mm end-stop during heavy press commissioning to accommodate material thickness variations without installing external physical stops.
Large Product Changeover
Adjust the retract position on the fly when a production line switches to a different large-format product size, saving time on physical machine retooling.
Automated Heavy Assembly
Drive massive assemblies with 15708 N of force at 0.5 MPa while using the rear stopper to precisely set the final clamping position.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX425-10S the Right Cylinder?
Selecting this 200 mm bore model is ideal when your application requires up to 15708 N of push force at 0.5 MPa, which is substantially higher than the 10053 N offered by the neighbouring 160 mm bore. The adjustable stroke is chosen when you need to fine-tune the retract end-position during machine setup or product changeover, giving you a 415-425 mm travel window without swapping the cylinder for a fixed-stroke SAI variant. To match this exact ISO 15552 replacement, specify the 200 mm bore, 425 mm stroke, 10 mm adjustment, PT tapered port, and the -S magnet.
Because the 425 mm stroke exceeds the 1500 mm maximum standard stroke limit and involves a long unsupported rod, it is critical to use an external guide to prevent excessive side-loading and premature seal wear. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options. The variable air cushions at both ends manage deceleration, but remember they do not hold the load dynamically without live air.
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 SAIJ200AX425-10S FAQ
At an operating pressure of 0.5 MPa, this 200 mm bore double-acting 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 allows you to shorten the nominal 425 mm stroke by up to 10 mm, creating a 415-425 mm travel window. This stopper only sets the end position and does not lock or hold the load without continuous air pressure.
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