
The AirTAC Airtac JSID Double Rod Cylinder JSID63X700S is a genuine double acting, double rod JIS-standard air cylinder with a Ø63mm bore and 700mm 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 equal 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. Because the pressure area is identical on extension and retraction, you get perfectly symmetric push and pull force. This yields a safe working load of roughly 841 N, which translates to lifting about 71 kg vertically with a 2:1 safety margin. The G3/8 port feeds the chamber efficiently, while the M18x1.5 rod threads handle mounting.
Built to JIS standards with an extruded hard-anodized aluminum profile barrel, it is noticeably shorter and more compact than an ISO 15552 cylinder of the same bore. The twin rods resist torsion and provide anti-rotation guidance, making it ideal for driving two tools simultaneously or carrying a sensor cam on the back end. The -S suffix means a piston magnet is installed, allowing CMSE or DMSE switches to drop directly into the side grooves for position sensing.
| Model | Airtac JSID Double Rod Cylinder JSID63X700S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 700 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). |
| ×700 | 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 opposing machining spindles simultaneously with equal 1402 N force, keeping the synchronized load path perfectly balanced.
Uses the dual rods to resist torsion and prevent twisting while diverting heavy packages across a 700 mm routing path.
Extends a blocking cam from the rear rod end while the front rod pushes a stop, sensing position via the -S magnet and CMSE switches.
At 63 mm, this bore sits comfortably in the middle of the range. If your application needs less force, stepping down to the 50 mm bore provides 825 N both ways at 0.5 MPa. If you require more power, the 80 mm bore offers 2268 N each direction. A double-rod design is the right call when you need anti-rotation stability, twin tooling operation, a symmetric load path, or back-end sensing. Mounting options include Basic, FA, LB, TC, TCM1, and TCM2. The -S magnet enables CMSE/DMSE switch integration. Because the stroke is 700 mm, you must account for side-load and rod-bending forces; always use external guides to support the load and prevent premature seal wear.
Quick checklist
Because it is a double-rod cylinder, force is equal in both directions using the rod-side area. It generates 1402 N at 0.5 MPa and 1962 N at 0.7 MPa each way, with a theoretical max of 286 kgf at 1.0 MPa. It operates at 0.15-1.0 MPa, runs 30-800 mm/s, uses a G3/8 port, and has adjustable 29 mm air cushions at both ends.
No, a plain double-rod cylinder will drift and cannot hold a load without live air pressure. The adjustable cushions only decelerate the piston near the stroke ends and act as a brake. To hold a suspended load, you must add an external rod lock or a pilot-operated check valve to the system.
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