
The AirTAC JSID Double Rod Cylinder JSID40X200S is a genuine double acting, double rod JIS-standard air cylinder with a Ø40mm bore and 200mm stroke, G1/4 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 528 N of thrust in both directions at 0.5 MPa, this 40 mm bore double-rod JIS cylinder uses a single piston with a rod exiting both ends. Because the hard-anodized aluminum profile barrel omits external retaining rods, the overall body is noticeably shorter and more compact than a same-bore ISO 15552 unit.
This 200 mm stroke variant includes a built-in piston magnet for CMSE/DMSE switches that drop directly into the side sensor grooves. Air connects via a G1/4 port, and adjustable 20.5 mm cushions at both ends decelerate the moving load smoothly. Note that the cushion only slows the piston near stroke end; a plain cylinder drifts on air loss, so fit an external rod lock or pilot-operated check valve if you need to hold a suspended load.
| Model | Airtac JSID Double Rod Cylinder JSID40X200S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 200 mm |
| Acting type | Double acting, double rod |
| Port size | G1/4 |
| Rod thread | M14×1.5 |
| 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, 20.5 mm |
| Max standard stroke | Up to 1200 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 | 528 N | 528 N |
| 0.7 MPa | 739 N | 739 N |
| Max (@1.0 MPa) | 108 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). |
|---|---|
| 40 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×200 | 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 grippers from opposite rod ends to pass parts between workstations without rotation.
Balances a 27 kg vertical payload through the center axis, using equal both-ways force to prevent binding on the descent.
Uses the dual rods as a rigid mechanical stop to arrest moving pallets while resisting torsional twist on impact.
When sizing this double-acting unit, the 40 mm bore sits neatly between the smaller 32 mm option (345 N both ways at 0.5 MPa) and the larger 50 mm bore (825 N both ways). Choose this 40 mm model when your application demands equal force both ways for anti-rotation guidance, twin tooling driven from both rod ends, or a symmetric load path that prevents deflection. The 200 mm stroke is well within the 1200 mm standard limit, though for any stroke of 300 mm or longer you should add an external guide to absorb side loads. Mounting options include Basic, FA, LB, TC, TCM1, and TCM2. The integrated -S magnet supports CMSE/DMSE reed or electronic sensors for end-of-stroke confirmation.
Quick checklist
Because the rod passes through both covers, force is equal in both directions. It generates 528 N at 0.5 MPa and 739 N at 0.7 MPa each way, with a theoretical maximum of 108 kgf at 1.0 MPa. The bore uses a G1/4 air port and a 16 mm rod.
The dual-rod layout ensures the pressure area is identical on both faces, giving perfectly equal push and pull force. It also allows you to mount a sensor cam or drive a second tool from the back end while providing superior anti-rotation guidance compared to a single rod.
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