Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-50
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 150mm 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
- Stroke150 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-50
The AirTAC SAIJ200X150-50 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It delivers immense thrust, pushing 15708N at 0.5MPa and reaching up to 3204 kgf at 1.0MPa. By turning the rear stopper screw, you can trim the nominal 150mm travel back by up to 50mm, creating a precise 100-150mm usable positioning window without swapping out the hardware.
This heavy-duty unit uses a 40mm SUS420J2 stainless steel rod (material code A) and a PT G3/4 tapered port to handle high flow demands. The extruded aluminum barrel includes sensor grooves on both sides for CMSE reed or DMSE electronic switches, though this specific SKU is configured without a magnet. The rear adjuster acts purely as a travel stop for end-position tuning and does not lock the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-50 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 150 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 SAIJ200AX150-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×150 | 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 SAIJ200AX150-50 Is Used
Heavy Press Changeover
Dial in the exact 100-150mm end-stop for massive pressing operations during product family shifts without replacing the cylinder.
Large Fixture Alignment
Fine-tune the retract position on heavy machining fixtures to compensate for wear or tooling adjustments.
Bulk Material Diverter
Adjust the actuation reach on heavy-duty conveyor sorting gates to handle varying package dimensions.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-50 the Right Cylinder?
Select this 200mm bore cylinder when a fixed-stroke SAI cannot accommodate product-size changeovers on heavy machinery, as the 50mm adjustment window allows rapid commissioning without external stops. If your application requires less force, stepping down to a 160mm bore yields 10053N of push force at 0.5MPa. For holding loads safely without continuous air pressure, this standard SAIJ is insufficient—consider the BSAI clamp-lock series instead.
When replacing an ISO 15552 cylinder, match these exact parameters: 200mm bore, 150mm stroke, 50mm adjustment range, PT G3/4 port thread, SUS420J2 rod material, and no magnet. Because the 150mm stroke is relatively short for this massive bore, side-loading is less severe than with longer strokes, but the 40mm rod diameter still requires an external guide to support any heavy offset loads. 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 SAIJ200AX150-50 FAQ
At 0.5MPa operating pressure, it provides 15708N of push force and 15080N of pull force. At the maximum 1.0MPa pressure, the push force reaches 3204 kgf.
The rear stopper screw allows you to shorten the 150mm nominal stroke by up to 50mm, providing a usable travel window of 100-150mm. This stopper only sets the end position; it does not lock the load without live air.
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