Airtac SAIJ80 Adjustable Cylinder SAIJ80X200-30
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X200-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 200mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ80 mm
- Stroke200 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X200-30
The AirTAC SAIJ80X200-30 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 170 to 200 mm usable travel window, allowing you to dial back the nominal 200 mm stroke by up to 30 mm during commissioning without adding external stops. With a robust 80 mm bore, it delivers 4523 N of push force at 0.9 MPa, making it suitable for heavier actuation tasks.
This model features a carbon steel piston rod with an M20x1.5 thread, paired with a PT tapered G3/8 port. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement. It supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR options.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X200-30 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X200-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 200 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M20×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 36 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80X200-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×200 | 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 SAIJ80 Adjustable Cylinder SAIJ80X200-30 Is Used
Machine Changeover
Dial in the exact retract position within the 170-200 mm window during product size transitions without swapping out the entire cylinder assembly.
End-Stop Tuning
Fine-tune the final resting position of heavier actuators at commissioning, using the rear screw to perfect the stroke without external mechanical stops.
Assembly Line Adjustments
Adapt pressing or positioning stations on the fly to accommodate slight variations in incoming component dimensions using the built-in adjustment.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X200-30 the Right Cylinder?
Choose this 80 mm bore cylinder when an application requires substantial force—stepping down to a 63 mm bore yields 2805 N at 0.9 MPa, while this 80 mm unit provides 4523 N for higher payload demands. The adjustable stroke is ideal for product changeovers, letting you fine-tune the retract end position on the fly. Because the rear adjuster acts only as a travel stop and the air cushions manage deceleration, neither will hold a load without live air pressure. For static load-holding, consider an AirTAC SAIL or BSAI series cylinder instead. When replacing an ISO 15552 unit, match the 80 mm bore, 200 mm stroke, 30 mm adjustment, PT G3/8 port, and your required mounting interface.
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 SAIJ80 Adjustable Cylinder SAIJ80X200-30 FAQ
The rear adjuster screw lets you shorten the effective travel by up to 30 mm, creating a 170 to 200 mm usable stroke window. It acts as a mechanical stop to set the end position and does not lock the load without live air pressure.
At 0.9 MPa operating pressure, the SAIJ80X200-30 provides 4523 N of push force and 4071 N of pull force. It operates at speeds between 30 and 800 mm/s.
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