Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-50
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 90mm 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
- Stroke90 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-50
The AirTAC SAIJ200X90-50 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to fine-tune the end position without adding external stops. It features a 200 mm bore generating 15708 N of push force at 0.5 MPa, paired with a robust 40 mm SUS420J2 stainless steel rod and M36x2 thread to handle high side loads.
This specific SKU provides a usable travel window of 40 to 90 mm, dialed in via the rear adjusting screw. The extruded aluminum barrel includes sensor grooves on both sides for CMSE reed and DMSE electronic switches, and the mounting set covers Basic, FA, LB, TC, FTC, TCM1, and TCM2 options.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-50 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 90 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 SAIJ200AX90-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×90 | 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 SAIJ200AX90-50 Is Used
Heavy Pressing Operations
Dial in the exact 40-90 mm travel window to apply precise 15708 N pressing force on heavy assemblies during production runs.
Product Size Changeovers
Quickly adapt the end-stop position on packaging lines when switching product sizes, avoiding the need to physically swap out the entire cylinder.
Variable End-Stop Positioning
Use the rear adjusting screw to establish flexible retraction points for multi-stage automated machinery setups without adding external mechanical stops.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-50 the Right Cylinder?
Choose this 200 mm bore when an application demands heavy thrust up to 15708 N at 0.5 MPa, stepping down from custom oversized actuators or up from a 160 mm bore that yields 10053 N. An adjustable stroke is ideal for machine setups requiring variable end-stops during product changeovers, whereas a fixed SAI cylinder suits dedicated single-purpose tasks.
Because the 90 mm nominal stroke exceeds 300 mm only in specific long-stroke variants, this shorter travel benefits from the massive 40 mm rod but still requires an external guide for heavy loads. The rear adjuster acts solely as a travel stop for deceleration and does not hold the load without live air; for true drop prevention, select a SAIL or BSAI lock variant. It uses PT tapered ports and is dimensionally interchangeable with 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 SAIJ200AX90-50 FAQ
At an operating pressure of 0.5 MPa, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force, reaching a maximum of 3204 kgf at 1.0 MPa.
The rear adjuster screw allows you to shorten the 90 mm nominal stroke by up to 50 mm, creating a usable travel window between 40 and 90 mm to fine-tune the retract position at commissioning.
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