Airtac SAIJ200 Adjustable Cylinder SAIJ200AX195-50
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX195-50 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 SAIJ200AX195-50
The AirTAC SAIJ200X195-50 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering massive thrust up to 15708 N at 0.5 MPa. It features a robust 40 mm SUS420J2 stainless steel rod and PT tapered ports. By turning the rear stopper screw, you achieve a precise 145-195 mm usable travel window, allowing exact end-position tuning without swapping out the entire actuator.
This adjustable-stroke design is built for heavy-duty industrial applications, operating at speeds of 30-500 mm/s with variable air cushions at both ends. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. The rear adjuster acts purely as a mechanical travel stop for deceleration and positioning, meaning it will not hold a load dynamically without continuous live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX195-50 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX195-50 |
|---|---|
| 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 SAIJ200AX195-50
| 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 SAIJ200AX195-50 Is Used
Heavy Press Tuning
Dial in the exact 145-195 mm end position for heavy pressing operations, ensuring precise contact force without machining custom spacer blocks.
Product Size Changeover
Adapt automated heavy-duty conveyor diverters on the fly by adjusting the rear stopper screw up to 50 mm to accommodate different pallet widths.
Large Assembly Setup
Fine-tune the retract end position during machine commissioning to perfectly seat large automotive or industrial components.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX195-50 the Right Cylinder?
Selecting this 200 mm bore actuator is appropriate when your machinery requires extreme push force, such as 15708 N at 0.5 MPa or up to 28274 N at 0.9 MPa. If your application needs less force, stepping down to a 160 mm bore provides 10053 N at 0.5 MPa, which might save space and air consumption. The 50 mm adjustment range is specifically valuable for production lines handling varying product sizes, as operators can dial in the exact 145-195 mm stroke during changeovers rather than installing fixed external stops.
Because this is a heavy-duty cylinder with a 195 mm stroke, the 40 mm rod handles significant side loads, though any long unsupported stroke still requires an external guide rail. For dimensionally interchangeable ISO 15552 replacements, match the 200 mm bore, 195 mm stroke, 50 mm adjustment, PT ports, and SUS420J2 rod material. Note that SAIJ supports a specific mounting subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2. Since this SKU lacks a magnet, it cannot host CMSE or DMSE sensors without modification.
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 SAIJ200AX195-50 FAQ
At 0.5 MPa, this 200 mm bore cylinder provides a push force of 15708 N and a pull force of 15080 N. If pressure is increased to 0.9 MPa, the push force reaches 28274 N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the nominal 195 mm stroke by up to 50 mm. This creates a usable travel window of 145-195 mm for fine-tuning end positions without changing the cylinder.
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