Airtac SAIJ200 Adjustable Cylinder SAIJ200AX800-30S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX800-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 800mm 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
- Stroke800 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX800-30S
The AirTAC SAIJ200X800-30-S is a double-acting, single-rod ISO 15552 profile cylinder engineered for high-thrust applications. It delivers a robust 15708N push force at 0.5 MPa, scaling up to 21991N at 0.7 MPa. A rear-mounted adjusting screw allows you to trim the effective stroke by up to 30 mm, creating a precise 770-800 mm usable travel window without changing the cylinder or adding external stops. Equipped with a SUS420J2 stainless steel rod and a PT tapered port, it handles demanding environments while retaining the standard ISO 15552 mounting interface.
This 200 mm bore model features an extruded aluminum barrel with sensor grooves on both sides. The integrated magnet (-S) supports AirTAC CMSE reed and DMSE electronic sensors for exact position feedback. Operating at speeds of 30-500 mm/s, it utilizes variable air cushions at both ends to decelerate heavy loads smoothly. The rear adjuster functions strictly as a travel stop for end-position tuning, not as a load-holding lock.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX800-30S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX800-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 800 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 SAIJ200AX800-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×800 | 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 SAIJ200AX800-30S Is Used
Heavy Press Tuning
Dial in the exact end-stop during heavy press commissioning using the 770-800 mm window, avoiding the need to swap out the entire cylinder for minor position shifts.
Product Size Changeover
Adapt automated lines to different product lengths by adjusting the rear stopper up to 30 mm, enabling rapid format changes without external mechanical modifications.
High-Force Positioning
Move massive payloads requiring up to 15708N of push force at 0.5 MPa, relying on the 40 mm SUS420J2 rod to withstand demanding industrial stresses.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX800-30S the Right Cylinder?
Select this 200 mm bore cylinder when your application requires extreme thrust, such as the 15708N push force at 0.5 MPa, and on-the-fly end-position tuning. If you need slightly less force, stepping down to a 160 mm bore yields 10053N of push force at 0.5 MPa. The adjustable 770-800 mm window is ideal for machine setups requiring fine commissioning adjustments or product-size changeovers. For any stroke of 800 mm, the long unsupported travel demands an external guide to prevent excessive side-loading on the rod, despite the robust 40 mm rod diameter and M36x2 thread.
When specifying a replacement, ensure you match the 200 mm bore, 800 mm stroke, 30 mm adjustment range, PT tapered port threads, and the -S magnet option. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Remember that the rear adjuster and air cushions only set the travel end; they do not hold the load without live air. For true load-holding without pneumatic pressure, consider an AirTAC SAIL locking cylinder or a BSAI clamp-lock variant.
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 SAIJ200AX800-30S FAQ
At 0.5 MPa operating pressure, this 200 mm bore cylinder provides 15708N of push force and 15080N of pull force. At 0.7 MPa, the push force increases to 21991N.
The rear adjusting screw acts as a mechanical stopper, allowing you to shorten the nominal 800 mm stroke by up to 30 mm. This creates a usable travel window of 770-800 mm for fine-tuning the end position at commissioning.
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