Airtac SAIJ200 Adjustable Cylinder SAIJ200AX115-100
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX115-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 115mm 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
- Stroke115 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX115-100
The AirTAC SAIJ200X115-100 is a double-acting ISO 15552 profile cylinder equipped with a rear mechanical adjuster, allowing you to dial back the nominal 115 mm stroke by up to 100 mm. This yields a highly flexible 15 to 115 mm usable travel window, perfect for dialing in exact end positions during commissioning without swapping hardware. As an extruded aluminum profile cylinder, it integrates cleanly into existing ISO 15552 footprints.
Delivering massive thrust, this 200 mm bore unit generates 15708 N of push force and 15080 N of pull force at 0.5 MPa. It features a robust 40 mm piston rod with an M36x2 thread, SUS420J2 stainless steel rod material (code A) for corrosion resistance, and PT tapered port threads. The rear stopper simply acts as a travel end-deceleration point, not a lock, so live air is required to hold the load.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX115-100 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX115-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 115 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 SAIJ200AX115-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×115 | 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 SAIJ200AX115-100 Is Used
Heavy Press Tuning
Fine-tune the 15-115 mm travel window on heavy pressing tasks to accommodate different material thicknesses without adding external stopper blocks.
Product Changeover
Rapidly adjust the rear stopper during production line changeovers to instantly shift the end-of-stroke position for varying product sizes.
High-Force Positioning
Leverage the 15708 N push force to move heavy jigs into exact alignment, using the 100 mm adjustment range to perfect the final resting point.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX115-100 the Right Cylinder?
Selecting this 200 mm bore cylinder makes sense when your application demands extreme force and variable end-stops, such as heavy pressing or large product changeovers. If you need less thrust, stepping down to the 160 mm bore yields 10053 N push at 0.5 MPa, but the SAIJ200X115-100 provides the maximum standard output of 15708 N. Because the nominal stroke is 115 mm, you avoid the need for external guides, though the heavy 40 mm rod naturally handles high side loads. For load-holding without continuous air pressure, you must look to the SAIL or BSAI variants, as the SAIJ adjuster is strictly a stop. To match this ISO 15552 replacement exactly, specify the 200 mm bore, 115 mm stroke, 100 mm adjustment, PT G3/4 port, and your desired mounting from the Basic, FA, LB, TC, FTC, TCM1, or TCM2 set.
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 SAIJ200AX115-100 FAQ
At 0.5 MPa operating pressure, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. It can reach a maximum push force of 28274 N at 1.0 MPa.
The rear adjuster allows you to shorten the 115 mm nominal stroke by up to 100 mm, creating a usable travel window of 15 to 115 mm. This stopper only sets the travel end and does not lock the load without live air pressure.
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