Airtac SAIJ200 Adjustable Cylinder SAIJ200AX195-40
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX195-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 195mm 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
- Stroke195 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX195-40
The AirTAC SAIJ200X195-40 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering massive thrust for heavy-duty operations. It yields a 21991N push force at 0.7 MPa, with a nominal 195mm stroke that can be dialed back by up to 40mm to provide a precise 155-195mm usable travel window. This allows operators to fine-tune the retract end position during commissioning without swapping out the entire unit.
Built with a SUS420J2 stainless steel rod (code A) for enhanced corrosion resistance, this 200mm bore actuator features PT tapered port threads (G3/4) and operates at speeds of 30-500mm/s. The extruded aluminum barrel includes sensor grooves on both sides, though this specific SKU lacks a magnet for CMSE or DMSE switches. The rear adjuster functions strictly as a travel stop to set deceleration, not as a lock to hold the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX195-40 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX195-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 195 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 SAIJ200AX195-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×195 | 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 SAIJ200AX195-40 Is Used
Heavy-Duty Press Tuning
Dial in the exact 155-195mm pressing depth during setup or tooling changes without adding external mechanical stops to the fixture.
Product Changeover Diverter
Adjust the retract distance on the fly to accommodate varying package sizes moving down a high-thrust sorting line.
Large Assembly Positioning
Leverage the 21991N push force to seat heavy components, using the rear stopper to fine-tune the final resting position.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX195-40 the Right Cylinder?
Selecting this 200mm bore actuator is ideal when an application demands extreme force—such as 21991N push at 0.7 MPa—alongside variable end-stop positioning. If a smaller footprint is acceptable, stepping down to a 160mm bore reduces the push force to 14074N at 0.5 MPa, but the SAIJ200X195-40 is necessary for pressing or moving loads exceeding 2 tons. The adjustable 155-195mm window is chosen over a fixed-stroke SAI cylinder when a machine handles product changeovers that require slightly different retract distances. Because the nominal stroke is 195mm, an external guide is recommended to manage side loads on the 40mm rod during operation.
When matching this ISO 15552 dimensionally interchangeable cylinder for a replacement, verify the 200mm bore, 195mm stroke, 40mm adjustment range, PT G3/4 port, and absence of a magnet. The correct mounting set for SAIJ includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR options. If the machine requires true load-holding without continuous air pressure, a standard SAIJ is insufficient; you must pivot to an AirTAC SAIL (air-released lock) or BSAI (clamp-lock) cylinder.
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 SAIJ200AX195-40 FAQ
At an operating pressure of 0.7 MPa, this 200mm bore cylinder provides a push force of 21991N and a pull force of 15080N. At 0.9 MPa, the push force increases to 28274N.
The rear adjuster acts as a mechanical stop that allows you to shorten the 195mm nominal stroke by up to 40mm, creating a usable travel window of 155-195mm. It only sets the travel end and does not lock the load without live air pressure.
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