Airtac SAIJ200 Adjustable Cylinder SAIJ200AX145-100S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX145-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 145mm 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
- Stroke145 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX145-100S
The AirTAC SAIJ200X145-100-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, enabling a usable travel window of 45-145 mm from its 145 mm nominal stroke. Built for heavy-duty tasks, it generates 15708 N of push force and 15080 N of pull force at 0.5 MPa. The unit features a robust 40 mm SUS420J2 stainless steel rod and a PT tapered G3/4 port to handle high flow requirements.
This model includes a magnet (-S) for direct compatibility with AirTAC CMSE reed and DMSE electronic sensors, which seat neatly into the extruded aluminum barrel's dual sensor grooves. The rear adjustment screw acts purely as a mechanical stop to dial in the exact end position during commissioning. It does not lock or hold the load without live air pressure; for fail-safe load holding, consider the SAIL or BSAI series.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX145-100S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX145-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 145 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 SAIJ200AX145-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×145 | 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 SAIJ200AX145-100S Is Used
Heavy Press Tuning
Dial in the exact 45-145 mm travel window on a large press during commissioning without changing the cylinder or adding external mechanical stops.
Product Changeover
Quickly adjust the retract end-position to accommodate different product sizes on a high-force assembly line.
Large Jig Positioning
Position heavy industrial jigs with 15708 N of push force at 0.5 MPa while fine-tuning the final end-stop on the fly.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX145-100S the Right Cylinder?
Select this 200 mm bore cylinder when your application requires massive thrust up to 15708 N at 0.5 MPa, but you need the flexibility to shorten the travel anywhere from 45 to 145 mm during machine setup or product changeover. The integrated rear stopper eliminates the need to swap cylinders or bolt on external stops. If your force requirements are lower, stepping down to a 160 mm bore yields 10053 N of push force at 0.5 MPa.
Because this SKU features a 145 mm stroke, the 40 mm rod and M36x2 thread provide excellent rigidity with minimal side-load concerns. For any stroke exceeding 300 mm, an external guide is recommended to prevent rod deflection. To match this exact configuration for an ISO 15552 replacement, specify the 200 mm bore, 145 mm stroke, 100 mm adjustment, PT G3/4 port, SUS420J2 rod material, and the -S magnet. 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 SAIJ200AX145-100S 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 0.7 MPa, the push force increases to 21991 N.
The rear adjuster screw lets you mechanically shorten the 145 mm nominal stroke by up to 100 mm, providing a usable travel window of 45 to 145 mm. It functions as a travel stop for end-position tuning and requires live air pressure to hold the load.
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