Airtac SAIJ200 Adjustable Cylinder SAIJ200AX350-30
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX350-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 350mm 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
- Stroke350 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX350-30
The AirTAC SAIJ200X350-30 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty applications, featuring a rear stroke adjuster that creates a 320-350mm usable travel window. Built with a 200mm bore, it delivers 15708N of push force and 15080N of pull force at 0.5 MPa. The rod is constructed from SUS420J2 stainless steel, offering enhanced durability and corrosion resistance compared to standard carbon steel.
This extruded aluminum profile cylinder includes variable air cushions at both ends to manage kinetic energy, but the rear adjuster acts strictly as a travel stop. It does not hold the load without live air pressure. For position holding without continuous air supply, an external rod lock or related types like SAIL or BSAI are required.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX350-30 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX350-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 350 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 SAIJ200AX350-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×350 | 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 SAIJ200AX350-30 Is Used
Heavy Machinery Setup
Fine-tunes the 320-350mm retract end-stop during heavy machinery commissioning without adding external stops.
Product Changeovers
Allows operators to dial in the exact 30mm adjustment window on automated lines handling varying product sizes.
High-Force Positioning
Provides up to 15708N of thrust at 0.5 MPa for pressing or moving heavy loads along a guided path.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX350-30 the Right Cylinder?
Selecting this 200mm bore cylinder is appropriate when an application requires substantial thrust, such as 15708N at 0.5 MPa, combined with on-machine travel tuning. If the force requirement is lower, stepping down to a 160mm bore provides 10053N of push force at 0.5 MPa. The adjustable stroke is chosen over a fixed SAI cylinder when commissioning requires fine-tuning the retract end position or accommodating product changeovers without swapping the physical cylinder.
Because this model features a 350mm stroke, the 40mm rod diameter and M36x2 rod thread must be paired with an external guide to prevent excessive side-loading and premature seal wear. It uses a PT G3/4 port and supports a mounting subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. As a true ISO 15552 profile cylinder, it is dimensionally interchangeable with other ISO 15552 cylinders.
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 SAIJ200AX350-30 FAQ
At 0.5 MPa, this 200mm bore cylinder provides a push force of 15708N and a pull force of 15080N. At 0.7 MPa, the push force increases to 21991N.
The rear adjuster allows you to shorten the effective travel from the nominal 350mm down to 320mm. This stopper fine-tunes the end position at commissioning but does not lock the load without live air pressure.
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