Airtac SAIJ200 Adjustable Cylinder SAIJ200AX650-30
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX650-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 650mm 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
- Stroke650 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX650-30
The AirTAC SAIJ200X650-30 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 650 mm travel by up to 30 mm. This creates a 620-650 mm usable window for precise end-position tuning during commissioning without swapping out the unit. It delivers substantial thrust, pushing 15708 N and pulling 15080 N at 0.5 MPa, scaling up to 28274 N push force at 0.9 MPa.
This heavy-duty model features a 40 mm SUS420J2 stainless steel piston rod and a PT G3/4 port. The extruded aluminum barrel includes sensor grooves on both sides for mounting CMSE reed or DMSE solid-state switches. The rear adjuster acts purely as a mechanical stop to set the travel end and relies on the built-in variable air cushions for deceleration; it does not hold the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX650-30 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX650-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 650 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 SAIJ200AX650-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×650 | 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 SAIJ200AX650-30 Is Used
Press Tuning
Fine-tune the 620-650 mm stroke end-position precisely during machine commissioning without adding external mechanical stops.
Line Changeover
Quickly adapt to new product sizes on a heavy-duty conveyor line by dialing back the travel up to 30 mm.
Heavy Positioning
Move large molds or fixtures using 15708 N of push force at 0.5 MPa while relying on air cushions for smooth deceleration.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX650-30 the Right Cylinder?
Choose this 200 mm bore when an application requires extreme thrust—stepping down to a 160 mm bore drops the 0.5 MPa push force to 10053 N. The 30 mm adjustable window is ideal for variable end-stops or product-size changeovers on a line, offering more setup flexibility than a fixed-stroke SAI cylinder. If your machine needs to hold a load securely without continuous air pressure, select a SAIL or BSAI cylinder instead, as the SAIJ adjuster is not a locking mechanism.
For a drop-in ISO 15552 replacement, match the 200 mm bore, 650 mm stroke, 30 mm adjustment, PT G3/4 port, and Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounting interface. Because the 650 mm stroke is long, the 40 mm rod will still experience leverage under side-loading; always pair this cylinder with an external guide rail to prevent premature seal wear.
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 SAIJ200AX650-30 FAQ
At 0.5 MPa it provides 15708 N of push force and 15080 N of pull force. At 0.9 MPa, the push force increases to 28274 N.
The rear adjuster screw lets you shorten the 650 mm nominal stroke by up to 30 mm, creating a 620-650 mm usable travel window. It functions as a mechanical stop for end-position tuning and is not a lock.
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