
The AirTAC JSID Double Rod Cylinder JSID80X175S is a genuine double acting, double rod JIS-standard air cylinder with a Ø80mm bore and 175mm 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 equal thrust in both directions at 0.5 MPa, this 80 mm bore double-rod actuator uses a single piston with a rod exiting each end. The hard-anodized extruded aluminum profile barrel keeps the overall body shorter than an equivalent ISO 15552 cylinder of the same bore. A G3/8 port feeds the chambers, and the -S suffix means a built-in piston magnet is present for position sensing.
Because the rod passes through both covers, the pressure area stays identical on extension and retraction, providing a symmetric load path that resists torsional twist. The adjustable 29 mm air cushions at each end absorb kinetic energy near the stroke limits, but remember the cushion only decelerates; a plain cylinder drifts on air loss, so fit an external rod lock or pilot-operated check valve for held loads.
| Model | Airtac JSID Double Rod Cylinder JSID80X175S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 175 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). |
| ×175 | 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.
Pushes a part forward on the front rod while simultaneously retracting an empty fixture on the rear rod, keeping cycle times balanced and halving actuator count.
Uses the twin-rod symmetry to press bearings without twisting under off-center loads, ensuring perfectly perpendicular insertion during assembly.
Drives opposing guide rollers from both ends of the piston to keep a moving web centered, maintaining even tension across the material width.
When sizing this 80 mm bore, stepping down to a 63 mm unit drops the equal-both-ways force to 1402 N at 0.5 MPa, while stepping up to a 100 mm bore raises it to 3574 N. Choose this double-rod configuration when your mechanism demands anti-rotation stability, needs to drive twin tooling stations from one piston, or requires a symmetric load path with a sensor cam on the back end. Mounting options include FA, LB, TC, TCM1, and TCM2 brackets. The -S magnet allows CMSE or DMSE switches to slot directly into the side grooves. For any stroke at or above 300 mm, always support the moving mass with an external linear guide to prevent excessive side-loading on the rod seals.
Quick checklist
Because the rod exits both ends, the push and pull forces are identical: 2268 N at 0.5 MPa and 3175 N at 0.7 MPa. The theoretical maximum is 463 kgf at 1.0 MPa. It features an 80 mm bore, a 175 mm stroke, a G3/8 air port, and a 25 mm piston rod with an M22x1.5 thread.
No, the adjustable 29 mm air cushions only decelerate the piston near the end of the stroke and do not lock the load. If air is lost or the valve is centered, the piston will drift. You must add an external rod lock or a pilot-operated check valve to hold a suspended load safely.
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