
The AirTAC Airtac JSID Double Rod Cylinder JSID63X225S is a genuine double acting, double rod JIS-standard air cylinder with a Ø63mm bore and 225mm 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 end to equalize the pressure area. The hard-anodized aluminum profile barrel keeps the JIS build shorter than an equivalent ISO 15552 cylinder, and the G3/8 ports supply the 30-800 mm/s speed range. A 29 mm adjustable air cushion decelerates the piston cleanly at both extremes.
Because the -S suffix denotes a built-in piston magnet, the side grooves accept CMSE or DMSE reed and electronic switches for end-of-stroke sensing. The symmetric load path resists torsional twist, making it good for about 841 N of real work, roughly 71 kg lifted vertically with a 2:1 safety margin. Remember that the cushions only slow the load; a pilot-operated check valve is needed to hold a suspended weight.
| Model | Airtac JSID Double Rod Cylinder JSID63X225S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 225 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). |
| ×225 | 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 a transfer finger from the front while the rear rod simultaneously kicks a confirm flag, keeping an indexing conveyor perfectly synchronized without external linkages.
Uses the twin-rod symmetry to resist torsional twist during a stamping strike, maintaining precise vertical alignment of the tooling without needing a separate linear guide.
Raises and lowers a small palletized load with equal force both up and down, using the 1402 N output to balance the platform weight smoothly through the 225 mm travel.
Sizing around the 63 mm bore means looking at the 50 mm option for lighter loads (825 N each way at 0.5 MPa) or stepping up to the 80 mm bore for heavier demands (2268 N each way). The double-rod layout is the right call when you need anti-rotation stability, twin tooling driven from both ends, or a symmetric load path with back-end sensor camming. Mounting options include Basic, FA, LB, TC, TCM1, and TCM2 brackets. The -S magnet enables CMSE/DMSE sensing. For this 225 mm stroke, ensure external guide rails are used to absorb any lateral side-load and prevent binding.
Quick checklist
The force is equal in both directions because of the double-rod design. It outputs 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 size is G3/8.
No, a plain double-rod cylinder will drift if air pressure is lost or the valve is centered. The 29 mm adjustable air cushions only decelerate the piston near the stroke ends; they do not lock the load. You must use an external rod lock or a pilot-operated check valve to hold a suspended weight safely.
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