Airtac SAIJ200 Adjustable Cylinder SAIJ200AX600-75S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX600-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 600mm 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
- Stroke600 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX600-75S
The AirTAC SAIJ200X200-75-S is a double-acting, single-rod ISO 15552 profile cylinder engineered for high-force applications. It features a robust 40 mm piston rod and delivers 15708 N of push force at 0.5 MPa. A rear-mounted stroke adjuster allows you to dial back the nominal 600 mm travel by up to 75 mm, creating a precise 525-600 mm usable window. This enables fine end-position tuning at commissioning without swapping the cylinder or adding external stops.
This SKU includes a magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors, which seat cleanly into the dual sensor grooves on the extruded aluminum barrel. The rod is constructed from SUS420J2 stainless steel for enhanced durability, and fluid supply routes through a G3/4 PT tapered port. The rear adjuster acts purely as a mechanical stop to set the travel end; it does not hold the load without live air.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX600-75S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX600-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 600 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 SAIJ200AX600-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×600 | 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 SAIJ200AX600-75S Is Used
Heavy Machinery Changeover
Adjust the 525-600 mm travel window on the fly to accommodate different large-format product sizes during production line changeovers.
Press End-Position Tuning
Fine-tune the retraction end-stop during commissioning of high-force pressing operations without installing external mechanical stops.
Guided Heavy Load Positioning
Move massive payloads along a guided rail system, relying on the 40 mm SUS420J2 rod to withstand demanding operational stresses.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX600-75S the Right Cylinder?
Choose this 200 mm bore when a 160 mm bore (providing 10053 N push at 0.5 MPa) cannot meet your thrust requirements. The adjustable stroke is ideal for product-size changeovers on a line, letting you shift the end-stop dynamically rather than machining new hard stops. Because the nominal stroke is 600 mm, the long unsupported travel demands an external guide to prevent excessive rod side-loading and premature seal wear.
For a direct ISO 15552 replacement, match the 200 mm bore, 600 mm stroke, 75 mm adjustment, G3/4 PT port, and -S magnet. Note that SAIJ uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets. If the machine requires true load-holding without continuous air pressure, a plain SAIJ will not suffice; you must specify a SAIL (air-released lock) or BSAI (clamp-lock) cylinder instead.
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 SAIJ200AX600-75S 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.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective travel from the 600 mm nominal stroke down to a minimum of 525 mm. This creates a 525-600 mm usable window for precise end-position tuning without altering the cylinder mount.
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