
The AirTAC JSID Double Rod Cylinder JSID40X150S is a genuine double acting, double rod JIS-standard air cylinder with a Ø40mm bore and 150mm 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 double-acting double-rod JIS profile cylinder uses a 40 mm bore and 150 mm stroke. The twin-rod architecture means the piston presents a rod out of each cover, yielding perfectly symmetric push and pull forces. Because the extruded hard-anodized aluminum barrel lacks external tension bars, the overall body is notably shorter and more compact than a same-bore ISO 15552 unit.
The integrated -S piston magnet allows CMSE or DMSE switches to drop directly into the side grooves for precise end-of-stroke detection. Note that while the adjustable cushions decelerate the load at the ends, an external rod lock or pilot-operated check valve is required to hold a load securely without live air.
| Model | Airtac JSID Double Rod Cylinder JSID40X150S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 150 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). |
| ×150 | 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 pickers from a single center piston to simultaneously grip and transfer parts across a conveyor belt.
Uses the equal both-ways force to raise and lower a 27 kg machining fixture with a perfectly balanced, anti-twist load path.
Leverages the rear rod extension to actuate an external CMSE switch cam while the front rod performs the primary work.
When sizing this 40 mm bore unit, stepping down to a 32 mm bore yields 345 N each way, while stepping up to a 50 mm bore provides 825 N at 0.5 MPa. Choose this twin-rod format when your mechanism demands anti-rotation guidance, needs to drive two tools simultaneously from one piston, or requires a symmetric load path with back-end sensor cam tracking. Mounting options include Basic, FA, LB, TC, TCM1, and TCM2 brackets. The -S suffix ensures you have the magnet ready for CMSE/DMSE sensors. For this 150 mm stroke, ensure you provide an external linear guide to absorb any lateral side loads and prevent binding.
Quick checklist
Because it is a double-rod cylinder, the force is equal in both directions using the pull-side area. It generates 528 N at 0.5 MPa and 739 N at 0.7 MPa, with a theoretical max of 108 kgf at 1.0 MPa. The air port size is G1/4.
No, a plain double-rod cylinder will drift if air pressure drops or the valve is centered. The adjustable air cushions only decelerate the piston near the stroke ends and do not act as a brake. You must use an external rod lock or a pilot-operated check valve to hold a suspended load safely.
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