
The AirTAC JSID Double Rod Cylinder JSID80X125S is a genuine double acting, double rod JIS-standard air cylinder with a Ø80mm bore and 125mm stroke, G3/8 air ports and adjustable end cushioning. Its no-tie-rod, hard-anodized profile barrel is more compact than an ISO 15552 cylinder of the same bore — a space-saver on tight machines.
Delivering 2268 N of thrust in both directions at 0.5 MPa, this 80 mm bore double-rod actuator uses a single piston with a rod exiting each cover. The symmetric layout creates an equal pressure area on both faces, making push and pull forces identical while preventing rotational twist. Its extruded hard-anodized aluminum profile barrel keeps the overall body shorter than an equivalent ISO 15552 cylinder of the same bore.
The integrated -S piston magnet allows CMSE or DMSE switches to drop directly into the side grooves for position sensing. Air connects via the G3/8 port, and adjustable 29 mm cushions decelerate the load at both stroke ends.
| Model | Airtac JSID Double Rod Cylinder JSID80X125S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 125 mm |
| Acting type | Double acting, double rod |
| Port size | G3/8 |
| Rod thread | M22×1.5 |
| 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, 29 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC JSI (JIS standard) datasheet. Confirm against the product label before installation. Thread options: PT (blank) / G. Barrel: hard-anodized aluminum profile (no tie rods).
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | 3175 N |
| Max (@1.0 MPa) | 463 kgf | |
Double-rod: the rod passes through both covers, so output force is equal in both directions.
| JSID | JIS-standard profile cylinder (double-rod type). |
|---|---|
| 80 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×125 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSE / DMSE sensors. |
JSI-family variants: JSI (double acting), JSID (double rod), JSIJ (adjustable stroke). Mounting: LB / FA / FB / CA / CB / CR / TC / TCM1 / TCM2. Thread PT (blank) / G.
Drives two synchronized machining spindles from opposite rod ends, ensuring perfectly balanced vertical clamping without rotational drift.
Powers a dual-ended pick-and-place arm where the rear rod simultaneously pushes a diverter cam while the front rod moves the product.
Acts as a high-force anti-twist pallet arrestor on a packaging line, using the equal push and pull forces to hold heavy loads steady.
Sizing an 80 mm bore means checking both neighbors: a 63 mm bore yields 1402 N each way at 0.5 MPa, while a 100 mm bore provides 3574 N. Choose this double-rod configuration when your mechanism needs anti-rotation guidance, twin tooling driven from both ends, or a symmetric load path with back-end sensor cam tracking. Mounting options include Basic, FA, LB, TC, TCM1, and TCM2. The -S magnet enables electronic or reed switch sensing. For this 125 mm stroke, ensure external guide rails carry any lateral side-load to prevent premature seal wear.
Quick checklist
Because the rod passes through both covers, force is equal in both directions: 2268 N at 0.5 MPa and 3175 N at 0.7 MPa. The theoretical maximum is 463 kgf at 1.0 MPa. The air port is G3/8.
No, a plain double-rod cylinder drifts when air is lost or the valve is centered. The adjustable 29 mm cushions only decelerate the piston near stroke ends and do not lock the load. Use an external rod lock or pilot-operated check valve for secure load holding.
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