Airtac SAIJ200 Adjustable Cylinder SAIJ200AX155-30S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX155-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 155mm 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
- Stroke155 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX155-30S
The AirTAC SAIJ200X155-30-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that lets you trim the effective travel back by up to 30 mm. This creates a usable 125-155 mm positioning window, allowing precise end-stop tuning during commissioning without swapping the cylinder or adding external stops. As the largest bore in the series, it delivers massive thrust, pushing 28274 N at 0.9 MPa and pulling 15080 N at 0.5 MPa.
Equipped with a magnet for position sensing, this unit works seamlessly with AirTAC CMSE reed and DMSE electronic solid-state switches mounted in the dual-side sensor grooves of the extruded aluminum barrel. It features a heavy-duty 40 mm carbon steel rod with an M36x2 thread, PT tapered port threads, and 50 mm variable air cushions at both ends to manage the heavy impact energies inherent to 200 mm bore operations.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX155-30S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX155-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 155 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 SAIJ200AX155-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×155 | 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 SAIJ200AX155-30S Is Used
Heavy Pressing Operations
Apply up to 28274 N of push force at 0.9 MPa for heavy-duty assembling, riveting, or forming tasks, using the 30 mm adjuster to dial in the exact crush depth.
Product Changeovers
Quickly adapt the end-of-stroke position within the 125-155 mm window during production line size changes without physically replacing the cylinder or adding external stopper blocks.
Automated Stamping
Set precise mechanical bottom-dead-center for stamping stations, relying on the 40 mm SUS420J2 stainless steel rod to handle significant side-load impacts while sensors confirm position.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX155-30S the Right Cylinder?
Choose this 200 mm bore model when your application demands extreme force that smaller bores cannot provide; stepping down to a 160 mm bore reduces the 0.5 MPa push force to 10053 N. The adjustable stroke is ideal for machine setups requiring variable end-stops or product-size changeovers. Remember that the rear adjuster acts purely as a mechanical travel stop and does not hold the load without live air pressure. For load-holding requirements during pressure loss, consider an AirTAC SAIL or BSAI cylinder instead.
Because this 155 mm stroke is well below the 1500 mm maximum, side-load risks are moderate, but the heavy 40 mm rod and M36x2 thread provide excellent resistance to deflection. This SAIJ200X155-30-S configuration includes a magnet for CMSE/DMSE sensors, PT tapered ports, and supports the ISO 15552 mounting subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2. It omits FB, CA, CB, and CR mounts.
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 SAIJ200AX155-30S FAQ
This 200 mm bore cylinder generates a push force of 28274 N at 0.9 MPa and 21991 N at 0.7 MPa. The pull force is 15080 N at 0.5 MPa.
The rear adjuster acts as a mechanical stop that shortens the nominal 155 mm stroke by up to 30 mm, providing a usable travel window of 125 to 155 mm. It sets the retract end position but does not lock or hold the load without live air pressure.
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