Airtac SAIJ200 Adjustable Cylinder SAIJ200AX400-30
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX400-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 400mm 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
- Stroke400 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX400-30
The AirTAC SAIJ200X400-30 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 370-400 mm usable travel window from its 400 mm nominal stroke. Delivering 15708 N of push force at 0.5 MPa, it handles heavy loads while allowing precise end-position tuning at commissioning without swapping the cylinder or adding external stops. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting.
This model uses a SUS420J2 stainless steel rod for enhanced durability and features PT tapered port threads. The rear adjuster acts purely as a mechanical stop to trim the retract stroke and relies on the integrated variable air cushion for end-of-travel deceleration. It does not hold the load without live air pressure; for true load-holding without continuous supply, an external rod lock or a SAIL pneumatic lock cylinder is required.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX400-30 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX400-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 400 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 SAIJ200AX400-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×400 | 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 SAIJ200AX400-30 Is Used
Heavy Press Tuning
Fine-tune the 370-400 mm retract stop on heavy pressing machinery to accommodate varying material thicknesses without external physical stoppers.
Assembly Line Changeover
Adjust end positions rapidly during product-size changeovers on automated assembly lines, minimizing downtime by dialing in the stroke via the rear screw.
Large Material Handling
Position large payloads with 15708 N of thrust at 0.5 MPa while using the rear stop to set precise retraction endpoints for indexing operations.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX400-30 the Right Cylinder?
Choose this 200 mm bore cylinder when your application requires up to 15708 N thrust at 0.5 MPa and on-the-fly retract stop tuning. If your force requirements are lower, stepping down to a 160 mm bore yields 10053 N of push force at 0.5 MPa, offering a lighter footprint. The adjustable stroke is ideal for machine setups requiring variable end-stops or product-size changeovers, whereas a fixed-stroke SAI cylinder suits applications with rigid, unchanging travel requirements.
When matching an ISO 15552 replacement, verify the 400 mm stroke, 30 mm adjustment range, PT port threads, and the SUS420J2 rod material. Because the nominal stroke is 400 mm, the 40 mm rod diameter and M36x2 rod thread carry significant side-load capacity, but long unsupported travel demands an external guide to prevent premature seal wear. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR.
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 SAIJ200AX400-30 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 the maximum operating pressure of 1.0 MPa, it delivers up to 3204 kgf.
The rear adjuster screw lets you shorten the 400 mm nominal stroke by up to 30 mm, creating a 370-400 mm usable travel window. The adjuster acts as a mechanical stop for the retract end-position and works with the air cushion for deceleration, but it is not a lock and will not hold the load without live air pressure.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Related AirTAC SAI Cylinders
Request a Quote for Airtac SAIJ200 Adjustable Cylinder SAIJ200AX400-30
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.