
The AirTAC Airtac JSID Double Rod Cylinder JSID63X450S is a genuine double acting, double rod JIS-standard air cylinder with a Ø63mm bore and 450mm 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 1402 N of thrust in both directions at 0.5 MPa, this 63 mm bore double-rod actuator uses a single piston with a rod exiting each cover. The twin-rod layout creates a symmetric load path that resists torsional twist, making it ideal for driving two mechanisms simultaneously or mounting a rear sensor cam. Its hard-anodized extruded aluminum barrel keeps the overall body shorter than a same-bore ISO 15552 unit.
This -S variant carries a built-in piston magnet for drop-in CMSE or DMSE switches. Operating on a G3/8 port at 0.15 to 1.0 MPa, it handles a safe working load of about 841 N, which translates to lifting roughly 71 kg vertically with a 2:1 safety margin. Adjustable 29 mm air cushions at both ends tame deceleration, though you will need an external pilot-operated check valve to hold a suspended load securely.
| Model | Airtac JSID Double Rod Cylinder JSID63X450S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 450 mm |
| Acting type | Double acting, double rod |
| Port size | G3/8 |
| Rod thread | M18×1.5 |
| 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 | Force (both ways) | — |
|---|---|---|
| 0.5 MPa | 1402 N | 1402 N |
| 0.7 MPa | 1962 N | 1962 N |
| Max (@1.0 MPa) | 318 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). |
|---|---|
| 63 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×450 | 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.
Uses both rod ends to push and retract identical pallets on parallel conveyor lines simultaneously without phase lag.
Balances vertical lifting forces from both ends to prevent platform skew and keep the load perfectly level.
Drives a front diverter while the rear rod carries a dedicated cam to trigger an external proximity sensor.
Sizing around the 63 mm bore means looking at the neighbors: a 50 mm bore gives 825 N both ways at 0.5 MPa, while an 80 mm bore jumps to 2268 N. Choose this 63 mm model when your application demands equal push and pull force, or when the twin rods solve a mechanical problem like anti-rotation guidance, symmetric load distribution, or back-end tooling. Mounting options include Basic, FA, LB, TC, TCM1, and TCM2 brackets. The -S suffix ensures you have the magnet for position sensing. Because the stroke is 450 mm, always support the load with an external guide to prevent rod bending and premature seal wear.
Quick checklist
Because the rod passes through both covers, force is equal in both directions. It generates 1402 N at 0.5 MPa and 1962 N at 0.7 MPa, with a theoretical maximum of 286 kgf at 1.0 MPa. The air port is G3/8.
No. The internal 29 mm adjustable air cushions only decelerate the piston near the stroke ends; they do not lock the position. If you need to hold a load securely, you must add an external rod lock or a pilot-operated check valve.
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