Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-50
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 190mm 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
- Stroke190 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-50
The AirTAC SAIJ200X190-50 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty applications requiring exact end-position tuning. It integrates a rear stopper mechanism that allows you to trim the effective travel back by up to 50 mm, creating a precise 140-190 mm usable stroke window. Within this high-thrust class, it delivers a formidable 21991N push force at 0.7 MPa, making it suitable for moving substantial masses.
This unit features an SUS420J2 stainless steel rod for enhanced durability against corrosion and wear. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. It operates at 30-500 mm/s and uses PT tapered port threads. The rear adjuster acts purely as a travel stop to decelerate the load at the end of stroke, but it will not hold the load statically without continuous air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-50 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 190 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 SAIJ200AX190-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×190 | 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 SAIJ200AX190-50 Is Used
Heavy Press Tuning
Dial in the exact 140-190 mm travel window during heavy press commissioning to accommodate varying material thicknesses without external stopper blocks.
Pallet Positioning
Adjust the retract end position on the fly during product size changeovers to ensure precise pallet stops along a high-capacity conveyor line.
Large Assembly Jigs
Fine-tune the stroke end on large-scale assembly jigs where the 50 mm adjustment window compensates for fixture tolerance variations.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-50 the Right Cylinder?
Selecting this 200 mm bore model is appropriate when your application demands extreme thrust, as it generates 21991N of push force at 0.7 MPa. If your force requirements are lower, stepping down to a 160 mm bore yields 14074N at the same pressure, which may optimize air consumption. The 50 mm adjustment range is ideal for machine setups requiring variable end stops or product changeovers, allowing fine-tuning at commissioning without swapping the cylinder or adding external stops. For load-holding without live air pressure, this cylinder is insufficient; you should consider the SAIL or BSAI series instead. To match this ISO 15552 replacement exactly, specify: 200 mm bore, 190 mm stroke, 50 mm adjustment, PT port threads, Basic/FA/LB/TC/FTC/TCM1/TCM2 mountings, and no magnet.
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 SAIJ200AX190-50 FAQ
At a 0.7 MPa operating pressure, this 200 mm bore cylinder provides a push force of 21991N and a pull force of 15080N. It can deliver up to 28274N push force at 0.9 MPa.
The rear adjuster screw allows you to shorten the nominal 190 mm stroke by up to 50 mm, providing a usable travel window of 140-190 mm. The adjuster functions as a stop to set the end position, not as a lock, so it cannot hold the load without live air pressure.
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