
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X1000-30S is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø40mm bore and 1000mm 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 628 N of push force at 0.5 MPa, this 40 mm bore JIS profile cylinder brings compact actuation to long-stroke tasks. The hard-anodized aluminum barrel leaves out external tie rods, making the overall body shorter than a same-bore ISO 15552 unit. It handles about 377 N of real work, which is roughly 32 kg lifted vertically with a 2:1 safety margin.
The -30 code means an external adjuster can shorten the extend stroke on site by up to 30 mm, giving a usable range of 970 to 1000 mm while the retract end stays fixed. A built-in magnet (-S) allows CMSE or DMSE switches to drop directly into the side grooves for position sensing. Air connections use a G1/4 port, and adjustable cushions decelerate the piston at both ends.
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X1000-30S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 1000 mm |
| Acting type | Double acting, adjustable stroke |
| 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 | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 40 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×1000 | 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.
Pushes parts down a 1000 mm conveyor and uses the 30 mm external adjuster to dial in the exact stopping point for different product lengths.
Extends deep into storage racks to retrieve totes, relying on the compact JIS profile to save valuable machine footprint.
Reaches across a wide packaging line to fold large flaps, fine-tuning the extend end position on site to avoid crushing the box.
For lighter duties the 32 mm bore offers 402 N push at 0.5 MPa, while stepping up to the 50 mm bore yields 982 N if this 40 mm unit lacks thrust. The 30 mm extend-shortening window is perfect for tuning end positions on site without swapping the cylinder, and keeping one spare SKU covers multiple stroke length variants. Mounting options include FA, LB, TC, TCM1, and TCM2 brackets. Because the stroke is 1000 mm, always use an external guide rail to prevent rod bending and side-load damage. The -S magnet supports CMSE/DMSE sensors.
Quick checklist
At 0.5 MPa it provides 628 N push and 528 N pull. At 0.7 MPa it provides 879 N push and 739 N pull. The theoretical maximum force is 128 kgf at 1.0 MPa. The air port size is G1/4.
The nominal stroke is 1000 mm, which is the maximum extend length. An external stop screw lets you shorten the extend stroke on site by up to 30 mm, giving a usable range of 970 to 1000 mm for fine-tuning the end position. The retract end is fixed. This stop is for positioning only and does not hold the load.
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